DK123763B - Fremgangsmåde til fremstilling af α- og β-6-desoxytetracyclin eller α- og β-6-desoxy-5-hydroxytetracyclin med et overvejende indhold af den α-isomer eller salte af disse forbindelser. - Google Patents

Fremgangsmåde til fremstilling af α- og β-6-desoxytetracyclin eller α- og β-6-desoxy-5-hydroxytetracyclin med et overvejende indhold af den α-isomer eller salte af disse forbindelser.

Info

Publication number: DK123763B
Authority: DK; Denmark
Prior art keywords: hydroxytetracycline; deoxytetracycline; deoxy; isomer; salts
Prior art date: 1967-02-13

Application number

DK55068AA

Other languages

English (en)

Inventor

J Korst

Original Assignee

Pfizer

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1967-02-13

Filing date

1968-02-13

Publication date

1972-07-31

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27087477&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK123763(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1968-02-13 Application filed by Pfizer filed Critical Pfizer

1972-07-31 Publication of DK123763B publication Critical patent/DK123763B/da

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/20—Sulfiding

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Agricultural Chemicals And Associated Chemicals (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

DK55068AA 1967-02-13 1968-02-13 Fremgangsmåde til fremstilling af α- og β-6-desoxytetracyclin eller α- og β-6-desoxy-5-hydroxytetracyclin med et overvejende indhold af den α-isomer eller salte af disse forbindelser. DK123763B (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US61531767A	1967-02-13	1967-02-13
US69901668A	1968-01-19	1968-01-19

Publications (1)

Publication Number	Publication Date
DK123763B true DK123763B (da)	1972-07-31

Family

ID=27087477

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK55068AA DK123763B (da)	1967-02-13	1968-02-13	Fremgangsmåde til fremstilling af α- og β-6-desoxytetracyclin eller α- og β-6-desoxy-5-hydroxytetracyclin med et overvejende indhold af den α-isomer eller salte af disse forbindelser.

Country Status (18)

Country	Link
US (1)	US3444198A (da)
JP (1)	JPS4815291B1 (da)
AT (1)	AT281285B (da)
BE (1)	BE710727A (da)
CH (1)	CH525186A (da)
DE (1)	DE1668583B1 (da)
DK (1)	DK123763B (da)
ES (1)	ES350345A1 (da)
FI (1)	FI43313B (da)
FR (1)	FR1557970A (da)
GB (1)	GB1195456A (da)
IL (1)	IL29438A (da)
IT (1)	IT1059653B (da)
NL (1)	NL6801981A (da)
NO (1)	NO118974B (da)
PL (1)	PL71352B1 (da)
SE (1)	SE336332B (da)
SU (1)	SU535901A3 (da)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DK153393C (da) *	1970-07-03	1988-11-28	Ivan Villax	Fremgangsmaade til fremstilling af metacyklin ved dehalogenering af et syreadditionssalt af 11a-klor-6-desoxy-6-demetyl-6-metylen-5-hydroxytetracyklin
GB1459861A (en) *	1973-06-21	1976-12-31	Pfizer	Process for 11a-dehalogenation of 11a-halotetracyclines
US3907890A (en) *	1974-05-28	1975-09-23	Pfizer	Preparation of alpha-6-deoxy-5-hydroxytetracycline
JPS51124876A (en) *	1975-04-24	1976-10-30	Hitoshi Nakai	Chaser
DK386784A (da) *	1983-08-17	1985-02-18	Hovione Int Ltd	Fremgangsmaade til fremstilling af alfa-6-desoxy-tetracykliner
US4739064A (en) *	1985-12-04	1988-04-19	Phillips Petroleum Company	Selective hydrogenation of heterocyclic aromatic compounds
US4739063A (en) *	1985-12-04	1988-04-19	Phillips Petroleum Company	Selective hydrogenation of heterocyclic aromatic compounds
DE3771705D1 (de) *	1987-03-25	1991-08-29	Plurichemie Anstalt	Rhodiumhydrierungskatalysatoren.
HU198173B (en) *	1987-09-18	1989-08-28	Chinoin Gyogyszer Es Vegyeszet	Process for producing doxycycline
EP0391005B1 (en) *	1989-04-03	1991-10-16	Ranbaxy Laboratories, Ltd.	Process for the production of alpha-6-deoxytetracyclines
US4973719A (en) *	1988-10-28	1990-11-27	Ranbaxy Laboratories Limited	Process for the production of alpha-6-deoxytetracyclines
US4987242A (en) *	1988-10-28	1991-01-22	Jagmohan Khanna	Hydrogenation catalyst useful in the production of alpha-6-deoxytetracyclines
US5049683A (en) *	1989-01-04	1991-09-17	Houba, Inc.	Process for the production of alpha-6-deoxytetracyclines
CN105152961B (zh) *	2015-08-31	2017-07-11	河南师范大学	一种强力霉素中间体6‑次甲基土霉素的合成方法
CN110975881B (zh) *	2019-11-20	2023-03-10	扬州联博药业有限公司	一种合成盐酸美他环素用脱氯催化剂及其制备方法和应用

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1430859A (da) *	1960-05-23	1966-05-25

1968
- 1968-01-19 US US699016A patent/US3444198A/en not_active Expired - Lifetime
- 1968-02-08 CH CH184468A patent/CH525186A/de not_active IP Right Cessation
- 1968-02-08 IL IL29438A patent/IL29438A/en unknown
- 1968-02-09 ES ES350345A patent/ES350345A1/es not_active Expired
- 1968-02-09 SE SE01731/68A patent/SE336332B/xx unknown
- 1968-02-10 IT IT34763/68A patent/IT1059653B/it active
- 1968-02-12 AT AT132168A patent/AT281285B/de not_active IP Right Cessation
- 1968-02-12 FI FI0370/68A patent/FI43313B/fi active
- 1968-02-12 NO NO0528/68A patent/NO118974B/no unknown
- 1968-02-12 NL NL6801981A patent/NL6801981A/xx unknown
- 1968-02-13 PL PL1968125256A patent/PL71352B1/pl unknown
- 1968-02-13 SU SU1217913A patent/SU535901A3/ru active
- 1968-02-13 JP JP43008754A patent/JPS4815291B1/ja active Pending
- 1968-02-13 FR FR1557970D patent/FR1557970A/fr not_active Expired
- 1968-02-13 DE DE19681668583 patent/DE1668583B1/de active Pending
- 1968-02-13 BE BE710727D patent/BE710727A/xx not_active IP Right Cessation
- 1968-02-13 DK DK55068AA patent/DK123763B/da not_active IP Right Cessation
- 1968-02-13 GB GB6987/68A patent/GB1195456A/en not_active Expired

Also Published As

Publication number	Publication date
IT1059653B (it)	1982-06-21
FI43313B (da)	1970-11-30
IL29438A (en)	1971-02-25
NL6801981A (da)	1968-08-14
DE1668583B1 (de)	1972-01-13
FR1557970A (da)	1969-02-21
BE710727A (da)	1968-08-13
CH525186A (de)	1972-07-15
GB1195456A (en)	1970-06-17
AT281285B (de)	1970-05-11
JPS4815291B1 (da)	1973-05-14
PL71352B1 (da)	1974-06-29
NO118974B (da)	1970-03-09
SE336332B (da)	1971-07-05
US3444198A (en)	1969-05-13
ES350345A1 (es)	1969-11-16
SU535901A3 (ru)	1976-11-15

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Legal Events

Date	Code	Title	Description
1988-04-04	PUP	Patent expired