ES436627A1 - Procedimiento para la preparacion de derivados de cromeno. - Google Patents

Procedimiento para la preparacion de derivados de cromeno.

Info

Publication number: ES436627A1
Authority: ES; Spain
Prior art keywords: lower alkyl; formula; alkaline; hydrogen; translation
Prior art date: 1974-04-17
Legal status (The legal status 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 status listed.): Expired

Application number

ES436627A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

ISF SpA

Original Assignee

ISF SpA

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.)

1974-04-17

Filing date

1975-04-16

Publication date

1977-05-01

1975-04-16 Application filed by ISF SpA filed Critical ISF SpA

1977-05-01 Publication of ES436627A1 publication Critical patent/ES436627A1/es

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
- C07D311/24—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 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 in position 2

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Pyrane Compounds (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Plural Heterocyclic Compounds (AREA)

ES436627A 1974-04-17 1975-04-16 Procedimiento para la preparacion de derivados de cromeno. Expired ES436627A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT21515/74A IT1044793B (it)	1974-04-17	1974-04-17	Preparazioni di composti a struttura pasziale piranica

Publications (1)

Publication Number	Publication Date
ES436627A1 true ES436627A1 (es)	1977-05-01

Family

ID=11182945

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES436627A Expired ES436627A1 (es)	1974-04-17	1975-04-16	Procedimiento para la preparacion de derivados de cromeno.

Country Status (17)

Country	Link
JP (1)	JPS50137981A (es)
BG (1)	BG24672A3 (es)
DD (1)	DD121935A5 (es)
DE (1)	DE2516623A1 (es)
DK (1)	DK165975A (es)
ES (1)	ES436627A1 (es)
FI (1)	FI751145A (es)
FR (1)	FR2303010A1 (es)
IL (1)	IL47083A0 (es)
IN (1)	IN142206B (es)
IT (1)	IT1044793B (es)
LU (1)	LU72297A1 (es)
NL (1)	NL7504598A (es)
NO (1)	NO751362L (es)
RO (1)	RO72847A (es)
SE (1)	SE7504342L (es)
ZA (1)	ZA752432B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3722886A1 (de) *	1987-07-10	1989-01-19	Basf Ag	Verfahren zur herstellung von (alpha),ss-substituierten acroleinen und neue substituierte acroleine
KR960008645B1 (ko) *	1993-09-08	1996-06-28	동국제약 주식회사	오르토-이소프로필화 페놀 유도체의 제조방법

1974
- 1974-04-17 IT IT21515/74A patent/IT1044793B/it active
1975
- 1975-04-14 IL IL47083A patent/IL47083A0/xx unknown
- 1975-04-14 IN IN740/CAL/75A patent/IN142206B/en unknown
- 1975-04-15 RO RO7581993A patent/RO72847A/ro unknown
- 1975-04-15 SE SE7504342A patent/SE7504342L/xx unknown
- 1975-04-15 FR FR7511642A patent/FR2303010A1/fr not_active Withdrawn
- 1975-04-16 NO NO751362A patent/NO751362L/no unknown
- 1975-04-16 DE DE19752516623 patent/DE2516623A1/de active Pending
- 1975-04-16 LU LU72297A patent/LU72297A1/xx unknown
- 1975-04-16 ZA ZA00752432A patent/ZA752432B/xx unknown
- 1975-04-16 ES ES436627A patent/ES436627A1/es not_active Expired
- 1975-04-17 DD DD185515A patent/DD121935A5/xx unknown
- 1975-04-17 NL NL7504598A patent/NL7504598A/xx unknown
- 1975-04-17 DK DK165975A patent/DK165975A/da not_active IP Right Cessation
- 1975-04-17 FI FI751145A patent/FI751145A/fi not_active Application Discontinuation
- 1975-04-17 JP JP50045909A patent/JPS50137981A/ja active Pending
- 1975-04-17 BG BG029697A patent/BG24672A3/xx unknown

Also Published As

Publication number	Publication date
IN142206B (es)	1977-06-11
BG24672A3 (en)	1978-04-12
SE7504342L (sv)	1975-10-20
DD121935A5 (es)	1976-09-05
DE2516623A1 (de)	1975-10-23
NL7504598A (nl)	1975-10-21
IT1044793B (it)	1980-04-21
DK165975A (da)	1975-10-18
FI751145A (es)	1975-10-18
IL47083A0 (en)	1975-06-25
LU72297A1 (es)	1975-08-20
JPS50137981A (es)	1975-11-01
NO751362L (es)	1975-10-20
ZA752432B (en)	1976-09-29
RO72847A (ro)	1983-07-07
RO72847B (ro)	1983-06-30
FR2303010A1 (fr)	1976-10-01

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