ES394474A1 - Procedimiento para la preparacion de derivados de acidos benzopirano - carboxilicos. - Google Patents

Procedimiento para la preparacion de derivados de acidos benzopirano - carboxilicos.

Info

Publication number
ES394474A1
ES394474A1 ES394474A ES394474A ES394474A1 ES 394474 A1 ES394474 A1 ES 394474A1 ES 394474 A ES394474 A ES 394474A ES 394474 A ES394474 A ES 394474A ES 394474 A1 ES394474 A1 ES 394474A1
Authority
ES
Spain
Prior art keywords
group
compound
carbon atoms
alkyl
hydrogen
Prior art date
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
ES394474A
Other languages
English (en)
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.)
Fisons Ltd
Original Assignee
Fisons Ltd
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.)
Filing date
Publication date
Application filed by Fisons Ltd filed Critical Fisons Ltd
Publication of ES394474A1 publication Critical patent/ES394474A1/es
Expired legal-status Critical Current

Links

ES394474A 1970-08-25 1971-08-24 Procedimiento para la preparacion de derivados de acidos benzopirano - carboxilicos. Expired ES394474A1 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB4077770 1970-08-25
GB4398470 1970-09-15
GB5886070 1970-12-11

Publications (1)

Publication Number Publication Date
ES394474A1 true ES394474A1 (es) 1974-09-16

Family

ID=27259663

Family Applications (2)

Application Number Title Priority Date Filing Date
ES394474A Expired ES394474A1 (es) 1970-08-25 1971-08-24 Procedimiento para la preparacion de derivados de acidos benzopirano - carboxilicos.
ES421973A Expired ES421973A1 (es) 1970-08-25 1974-01-02 Un procedimiento para la preparacion de sales farmaceutica-mente aceptables de derivados de acido benzopirano-carboxi- licos.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES421973A Expired ES421973A1 (es) 1970-08-25 1974-01-02 Un procedimiento para la preparacion de sales farmaceutica-mente aceptables de derivados de acido benzopirano-carboxi- licos.

Country Status (2)

Country Link
AR (1) AR204303A1 (es)
ES (2) ES394474A1 (es)

Also Published As

Publication number Publication date
ES421973A1 (es) 1976-05-01
AR204303A1 (es) 1975-12-22

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19840220