KR900005257B1 - β-락탐 항생물질 및 그의 제조방법 - Google Patents
β-락탐 항생물질 및 그의 제조방법 Download PDFInfo
- Publication number
- KR900005257B1 KR900005257B1 KR1019860005753A KR860005753A KR900005257B1 KR 900005257 B1 KR900005257 B1 KR 900005257B1 KR 1019860005753 A KR1019860005753 A KR 1019860005753A KR 860005753 A KR860005753 A KR 860005753A KR 900005257 B1 KR900005257 B1 KR 900005257B1
- Authority
- KR
- South Korea
- Prior art keywords
- alkyl
- group
- acid
- general formula
- benzyl
- Prior art date
Links
- 0 C*(C1)C=CC(C)=C*1[N+] Chemical compound C*(C1)C=CC(C)=C*1[N+] 0.000 description 2
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/06—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
- C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
- C07D205/085—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a nitrogen atom directly attached in position 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/02—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
- C07D263/08—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D263/16—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D263/18—Oxygen atoms
- C07D263/20—Oxygen atoms attached in position 2
- C07D263/22—Oxygen atoms attached in position 2 with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to other ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D463/00—Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D463/00—Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D463/10—Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
- C07D463/14—Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2 with hetero atoms directly attached in position 7
- C07D463/16—Nitrogen atoms
- C07D463/18—Nitrogen atoms further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof
- C07D463/20—Nitrogen atoms further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof with the acylating radicals further substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims (5)
- 하기 일반식(X)의 시스-에난티오머 또는 이의 산부가염.
- 하기 일반식(10b) 화합물을 로듐(Ⅱ) 촉매하에서 폐환시킴을 특징으로 하여, 하기 일반식(X)의 시스-에난티오머 또는 이의 산 부가염을 제조하는 방법.상기식에서, R6은 수소; 통상적인 아미노 보호그룹; 또는 일반식 R1CO그룹[여기서, R1은 C1-C6알킬, 일반식의 페닐 그룹(여기서, a 및 a'는 독립적으로 수소, C1-C4알킬, C1-C4알콕시 또는 할로겐이다), 일반식그룹 (여기서, Z는 산소 또는 황이고, m은 0 또는 1 이며, a 및 a'는 상기 정의한 바와 같다.), 또는 R1 0은 C1-C4알킬, C5-C7사이클로알킬, 벤질, 니트로벤질, 메톡시벤질 또는 할로벤질이다)이다]이고, 단, 일반식(10b)에서 R6는 수소가 아니며 ; R2는 통상적인 카복시 보호그룹이다.
- 제1항에 있어서, R6가 R1CO인 방법.
- 일반식(b)의 화합물을 입체 장해된 염기와 반응시킴을 특징으로 하여, 하기 일반식(X)의 시스-에난티오머 또는 이의 산 부가염을 제조하는 방법.상기식에서, R6은 수소; 통상적인 아미노 보호그룹; 또는 일반식 R1CO그룹[여기서, R1은 C1-C6알킬,일반식의 페닐 그룹(여기서, a 및 a'는 독립적으로 수소, C1-C4알킬 C1-C4알콕시 또는 할로겐이다.), 일반식그룹(여기서, Z는 산소 또는 황이고, m은 0 또는 1 이며, a 및 a' 는 상기 정의한 바와 같다), 또는 R1 00(여기서, R1 0은 C1-C4알킬, C5-C7사이클로알킬, 벤질, 니트로벤질, 메톡시벤질 또는 할로벤질이다)이다]이고, 단 일반식(b)에서 R6는 수소가 아니며 ; R2는 통상적인 카복시 보호그룹이고; R7는 C1-C4알킬, 벤질 또는 C1내지 C4알킬, C1-C4알콕시 또는 할로로 임의 치환된 페닐이다.
- 제4항에 있어서, R7이 -S-Ph이고 입체 장해된 염기로서 리튬 헥사메틸디실라잔을 사용하는 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900008404A KR900005322B1 (ko) | 1985-05-17 | 1990-06-08 | β-락탐 항생물질 제조용 중간체 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/755,982 US4665171A (en) | 1985-07-17 | 1985-07-17 | Process and intermediates for β-lactam antibiotics |
US755982 | 2001-01-05 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900008404A Division KR900005322B1 (ko) | 1985-05-17 | 1990-06-08 | β-락탐 항생물질 제조용 중간체 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870001193A KR870001193A (ko) | 1987-03-12 |
KR900005257B1 true KR900005257B1 (ko) | 1990-07-21 |
Family
ID=25041514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019860005753A KR900005257B1 (ko) | 1985-05-17 | 1986-07-16 | β-락탐 항생물질 및 그의 제조방법 |
Country Status (22)
Country | Link |
---|---|
US (1) | US4665171A (ko) |
EP (2) | EP0362902B1 (ko) |
JP (2) | JPH0762015B2 (ko) |
KR (1) | KR900005257B1 (ko) |
CN (1) | CN1015178B (ko) |
AR (1) | AR243186A1 (ko) |
AT (2) | ATE133172T1 (ko) |
AU (2) | AU595216B2 (ko) |
CA (1) | CA1310323C (ko) |
DE (2) | DE3650474T2 (ko) |
DK (2) | DK173456B1 (ko) |
ES (2) | ES2000516A6 (ko) |
GR (1) | GR861857B (ko) |
HK (1) | HK1007140A1 (ko) |
HU (2) | HU201931B (ko) |
IE (1) | IE58997B1 (ko) |
IL (1) | IL79420A (ko) |
NZ (1) | NZ216871A (ko) |
PT (1) | PT82989B (ko) |
RU (1) | RU1794079C (ko) |
SU (1) | SU1579460A3 (ko) |
ZA (1) | ZA865274B (ko) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4870169A (en) * | 1985-07-17 | 1989-09-26 | President And Fellows Of Harvard College | Intermediates for beta-lactam antibiotics |
US4673737A (en) * | 1985-08-02 | 1987-06-16 | Harvard University | 7-acylamino-(or 7-amino)-3-trifluoromethylsulfonyloxy-1-carba(1-dethia)-3-cephem-4-carboxylic acids and esters thereof |
US4734498A (en) * | 1986-07-10 | 1988-03-29 | Eli Lilly And Company | 3β-succinimidoazetidinones as chiral intermediates |
CA1323370C (en) * | 1986-09-12 | 1993-10-19 | Davis H. Crater | Fluorochemical oxazolidinones |
US4782144A (en) * | 1987-09-14 | 1988-11-01 | Eli Lilly And Company | 1-carba(dethia)-3-hydroxy-3-cephem ester crystalline and crystalline solvate thereof |
US5019571A (en) * | 1988-01-25 | 1991-05-28 | Eli Lilly And Company | 1-carbacephalosporin antibiotics |
US4855418A (en) | 1988-03-23 | 1989-08-08 | Eli Lilly And Company | Process for production of ceophalosporins |
US4820832A (en) * | 1988-03-23 | 1989-04-11 | Eli Lilly And Company | Process for preparing 3-unsubstituted cephalosporins and 1-carba(dethia)cephalosporins |
US4885362A (en) * | 1988-06-06 | 1989-12-05 | Eli Lilly And Company | Azetidinone intermediates for 1-carba(dethia)caphalosporins |
EP0345999A1 (en) * | 1988-06-06 | 1989-12-13 | Eli Lilly And Company | Process for intermediates to 1-carba(1-dethia)-3-cephem-4-carboxylic acids |
JPH0225462A (ja) * | 1988-06-06 | 1990-01-26 | Eli Lilly & Co | β―ラクタム抗生物質の製造法およびその中間体 |
CA1334971C (en) * | 1988-06-22 | 1995-03-28 | Eli Lilly And Company | Intermediate for 1-carba(dethia)cephalosporin |
US5453503A (en) * | 1988-10-11 | 1995-09-26 | Eli Lilly And Company | Azetidinone intermediates to carbacephalosporins and process |
KR0169096B1 (ko) * | 1988-10-11 | 1999-01-15 | 리로이 휘테커 | 카바세팔로스포린의 아제티디논 중간체 화합물 및 제조방법 |
US4931556A (en) * | 1988-10-17 | 1990-06-05 | Eli Lilly And Company | Method of resolving cis 3-amino-4-(2-(2-furyl)eth-1-yl)-methoxycarbonylmethyl-azetidin-2-one and malic acid salts thereof |
US4931557A (en) * | 1988-10-17 | 1990-06-05 | Eli Lilly And Company | Method of resolving cis 3-amino-4-(2-furyl)vinyl)-1-methoxycarbonylmethyl-azetidin-2-one and di-p-toluoyl-tartaric acid salts thereof |
JPH02252648A (ja) * | 1989-03-27 | 1990-10-11 | Naomi Iwagou | イオン溶出燒結体 |
US5106475A (en) * | 1989-09-20 | 1992-04-21 | Eli Lilly And Company | Process for preparing 4-substituted azetidinones |
US4992545A (en) * | 1989-09-20 | 1991-02-12 | Eli Lilly And Company | Process for preparing 4-substituted azetidinones |
US5030725A (en) * | 1990-02-06 | 1991-07-09 | Eli Lilly And Company | Method of resolving cis 3-amino-4-[2-(2-furyl)eth-1-yl]-1-methoxycarbonylmethyl-azetidin-2-one using (-)-DAG |
US5051502A (en) * | 1990-06-06 | 1991-09-24 | University Of Notre Dame Du Lac | Rhodium catalyzed cyclization process for bicyclic β-lactams |
DE69131826T2 (de) * | 1990-09-13 | 2000-05-25 | Eli Lilly And Co., Indianapolis | Zwischenprodukte für 1-Carbacephalosporin und Verfahren zur Herstellung dieser |
US5089610A (en) * | 1991-04-25 | 1992-02-18 | Eli Lilly And Company | Ring-closure method for 1-carbacephalosporin six-membered ring |
US5521307A (en) * | 1992-02-18 | 1996-05-28 | Eli Lilly And Company | Methods and compounds for the preparation of carbacephems |
CA2246753C (en) | 1996-02-23 | 2005-05-10 | Eli Lilly And Company | Non-peptidyl vasopressin v1a antagonists |
AU4224699A (en) | 1999-01-27 | 2000-08-18 | Pharmacia & Upjohn Company | Assays for modulators of elongation factor p activity |
JP4916929B2 (ja) * | 2007-03-23 | 2012-04-18 | ヤマハ発動機株式会社 | 直交型ロボット |
NZ583970A (en) | 2007-10-11 | 2011-04-29 | Univ California | Compositions and methods of inhibiting n-acylethanolamine-hydrolyzing acid amidase |
RU2623209C9 (ru) | 2010-07-01 | 2018-01-22 | Азеван Фармасьютикалз, Инк. | Способы лечения посттравматического стрессового расстройства |
WO2014144547A2 (en) | 2013-03-15 | 2014-09-18 | The Regents Of The University Of California | Amide derivatives of lactam based n-acylethanolamine acid amidase (naaa) inhibitors |
WO2014144836A2 (en) * | 2013-03-15 | 2014-09-18 | The Regents Of The University Of California | Carbamate derivatives of lactam based n-acylethanolamine acid amidase (naaa) inhibitors |
FI3122743T3 (fi) | 2014-03-28 | 2023-03-02 | Azevan Pharmaceuticals Inc | Koostumuksia ja menetelmiä hermostoa rappeuttavien sairauksien hoitamiseksi |
WO2017221144A1 (en) * | 2016-06-20 | 2017-12-28 | Dr. Reddy's Laboratories Limited | Process for the preparation of elagolix sodium and its polymorph |
CN112500361B (zh) * | 2020-12-27 | 2023-05-12 | 甘肃瀚聚药业有限公司 | 一种(s)-4-苯基-2-恶唑烷酮的制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4226866A (en) * | 1972-11-06 | 1980-10-07 | Merck & Co., Inc. | Novel antibiotic analogues of cephalosporins |
US4166816A (en) * | 1975-05-05 | 1979-09-04 | Smithkline Corporation | Methods and intermediates for preparing cis-4-oxoazetidine intermediates |
US4200572A (en) * | 1975-09-03 | 1980-04-29 | Smithkline Corporation | Substituted azetidinones |
ZA766941B (en) * | 1975-11-21 | 1978-06-28 | Merck & Co Inc | 3-(substituted thio)cephalosporins,derivatives and nuclear analogues thereof |
US4174316A (en) * | 1978-08-14 | 1979-11-13 | Merck & Co., Inc. | 4-Iodomethylazetidin-2-one |
US4472576A (en) * | 1982-12-03 | 1984-09-18 | Merck & Co., Inc. | Processes for the production of antibiotic 1-oxadethiacephalosporins |
US4502994A (en) | 1982-12-09 | 1985-03-05 | Hoffmann-La Roche Inc. | Enantiomeric synthesis of 3-amino-4-carbamoyloxymethyl-2-azetidonone-1-sulfate |
US4751299A (en) * | 1983-11-18 | 1988-06-14 | Takeda Chemical Industries, Ltd. | Optically active β-lactams and method of their production |
US4673737A (en) | 1985-08-02 | 1987-06-16 | Harvard University | 7-acylamino-(or 7-amino)-3-trifluoromethylsulfonyloxy-1-carba(1-dethia)-3-cephem-4-carboxylic acids and esters thereof |
-
1985
- 1985-07-17 US US06/755,982 patent/US4665171A/en not_active Expired - Fee Related
-
1986
- 1986-07-15 HU HU862911A patent/HU201931B/hu not_active IP Right Cessation
- 1986-07-15 DE DE3650474T patent/DE3650474T2/de not_active Expired - Fee Related
- 1986-07-15 AU AU60166/86A patent/AU595216B2/en not_active Expired
- 1986-07-15 EP EP89120951A patent/EP0362902B1/en not_active Expired - Lifetime
- 1986-07-15 PT PT82989A patent/PT82989B/pt not_active IP Right Cessation
- 1986-07-15 DK DK198603356A patent/DK173456B1/da not_active IP Right Cessation
- 1986-07-15 RU SU864027832A patent/RU1794079C/ru active
- 1986-07-15 DE DE8686305424T patent/DE3679002D1/de not_active Expired - Lifetime
- 1986-07-15 AT AT89120951T patent/ATE133172T1/de not_active IP Right Cessation
- 1986-07-15 ZA ZA865274A patent/ZA865274B/xx unknown
- 1986-07-15 HU HU906465A patent/HU906465D0/hu unknown
- 1986-07-15 IL IL79420A patent/IL79420A/xx not_active IP Right Cessation
- 1986-07-15 AT AT86305424T patent/ATE63118T1/de not_active IP Right Cessation
- 1986-07-15 EP EP86305424A patent/EP0209352B1/en not_active Expired - Lifetime
- 1986-07-16 CA CA000513971A patent/CA1310323C/en not_active Expired - Lifetime
- 1986-07-16 ES ES8600341A patent/ES2000516A6/es not_active Expired
- 1986-07-16 GR GR861857A patent/GR861857B/el unknown
- 1986-07-16 JP JP61168982A patent/JPH0762015B2/ja not_active Expired - Lifetime
- 1986-07-16 KR KR1019860005753A patent/KR900005257B1/ko not_active IP Right Cessation
- 1986-07-16 NZ NZ216871A patent/NZ216871A/xx unknown
- 1986-07-16 IE IE190086A patent/IE58997B1/en not_active IP Right Cessation
- 1986-07-16 CN CN86104783A patent/CN1015178B/zh not_active Expired
- 1986-07-17 AR AR86304531A patent/AR243186A1/es active
-
1987
- 1987-06-05 SU SU874202676A patent/SU1579460A3/ru active
- 1987-12-31 ES ES8703788A patent/ES2005752A6/es not_active Expired
-
1990
- 1990-01-12 AU AU47934/90A patent/AU619938B2/en not_active Ceased
-
1994
- 1994-12-21 JP JP6318486A patent/JP2634775B2/ja not_active Expired - Lifetime
-
1996
- 1996-02-15 DK DK016096A patent/DK16096A/da not_active Application Discontinuation
-
1998
- 1998-06-22 HK HK98105920A patent/HK1007140A1/xx not_active IP Right Cessation
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR900005257B1 (ko) | β-락탐 항생물질 및 그의 제조방법 | |
US5091525A (en) | Monohydrate and DMF solvates of a new carbacephem antibiotic | |
US4269772A (en) | Synthesis of thienamycin via trans-3-carboxymethylene-4-carboxy-5-methyl-Δ2 -isoxazoline | |
JP2529544B2 (ja) | 抗生物質のための中間体の製造方法 | |
JPH0144700B2 (ko) | ||
EP0525589A1 (en) | Asymmetric synthesis of taxol side chain | |
US4360684A (en) | Process for the preparation of (2S)-tetrahydro-2α-methyl-6-oxo-4βα-carboxylic acid | |
US4870169A (en) | Intermediates for beta-lactam antibiotics | |
US4414155A (en) | Synthesis of thienamycin via esters of (3SR, 4RS)-3-[(SR)-1-hydroxyethyl]-β,2-dioxo-4-azetidinebutanoic acid | |
KR900005322B1 (ko) | β-락탐 항생물질 제조용 중간체 | |
US5637692A (en) | Azetidinone intermediates to carbacephalosporins and process | |
US4734495A (en) | Process and intermediates for beta-lactam antibiotics | |
US4487963A (en) | Enantioselective synthesis of 4-amino-3-hydroxy-2,4-(disubstituted)pentanoic acid | |
US4820816A (en) | 3-trifuoromethylsulfonyloxy-substituted 1-carbacephalosporins as intermediates for antibiotics | |
US4473502A (en) | Synthesis of thienamycin via (3SR, 4RS)-3-[1 (SR)-hydroxyethyl]-2-oxo-4-azetidineacetic acid | |
US4775752A (en) | Process and intermediates for beta-lactam antibiotics | |
US4440682A (en) | Stereospecific synthesis of isocephalosporins and 2-oxa isocephalosporins | |
CA1332059C (en) | Process for preparing cis-1-carba(1-dethia)cephalosporins and intermediates therefor | |
EP0081824B1 (en) | Processes for the production of antibiotic 1-oxadethiacephalosporins | |
US4454332A (en) | Hydroxy amino dicarboxylic acids and esters | |
EP0117053A1 (en) | Azetidinone derivatives | |
HU212104B (en) | Process for producing 3 beta-/4(s)-aryl-oxazolidine-2-one-3-il/-azetidine-2-one derivatives | |
JP3059475B2 (ja) | 2―アゼチジノン誘導体の製造方法 | |
JPH0147467B2 (ko) | ||
JPH06116270A (ja) | テトラヒドロピロロインドール誘導体及びその製法並びにその中間体 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19860716 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19870921 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19860716 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19900309 Patent event code: PE09021S01D |
|
G160 | Decision to publish patent application | ||
PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19900625 |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19901010 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19901105 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19901105 End annual number: 3 Start annual number: 1 |
|
PR1001 | Payment of annual fee |
Payment date: 19930628 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 19940616 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 19950615 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 19960628 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 19970627 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 19980702 Start annual number: 9 End annual number: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 19990615 Start annual number: 10 End annual number: 10 |
|
PR1001 | Payment of annual fee |
Payment date: 20000629 Start annual number: 11 End annual number: 11 |
|
PR1001 | Payment of annual fee |
Payment date: 20010707 Start annual number: 12 End annual number: 12 |
|
PR1001 | Payment of annual fee |
Payment date: 20020708 Start annual number: 13 End annual number: 13 |
|
PR1001 | Payment of annual fee |
Payment date: 20030701 Start annual number: 14 End annual number: 14 |
|
PR1001 | Payment of annual fee |
Payment date: 20040701 Start annual number: 15 End annual number: 15 |
|
FPAY | Annual fee payment |
Payment date: 20050630 Year of fee payment: 16 |
|
PR1001 | Payment of annual fee |
Payment date: 20050630 Start annual number: 16 End annual number: 16 |
|
EXPY | Expiration of term | ||
PC1801 | Expiration of term |