JPS5432484A - Preparation of 5,8-dihydroxy-3,4-dihydro-carbostyril - Google Patents

Preparation of 5,8-dihydroxy-3,4-dihydro-carbostyril

Info

Publication number
JPS5432484A
JPS5432484A JP9902977A JP9902977A JPS5432484A JP S5432484 A JPS5432484 A JP S5432484A JP 9902977 A JP9902977 A JP 9902977A JP 9902977 A JP9902977 A JP 9902977A JP S5432484 A JPS5432484 A JP S5432484A
Authority
JP
Japan
Prior art keywords
carbostyril
dihydroxy
dihydro
preparation
βblocker
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.)
Granted
Application number
JP9902977A
Other languages
Japanese (ja)
Other versions
JPS5840949B2 (en
Inventor
Yoshiaki Manabe
Kazuyuki Nakagawa
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.)
Otsuka Pharmaceutical Co Ltd
Original Assignee
Otsuka Pharmaceutical Co 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 Otsuka Pharmaceutical Co Ltd filed Critical Otsuka Pharmaceutical Co Ltd
Priority to JP52099029A priority Critical patent/JPS5840949B2/en
Publication of JPS5432484A publication Critical patent/JPS5432484A/en
Publication of JPS5840949B2 publication Critical patent/JPS5840949B2/en
Expired legal-status Critical Current

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Abstract

PURPOSE: To obtain title compound useful as intermediate for synthesizing a βblocker economically in high yield by reducing novel carbostyril derivatives obtained from inexpensive known benzene derivatives, followed by hydrolysis.
COPYRIGHT: (C)1979,JPO&Japio
JP52099029A 1977-08-17 1977-08-17 Method for producing 5,8-dihydroxy-3,4-dihydrocarbostyryl Expired JPS5840949B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52099029A JPS5840949B2 (en) 1977-08-17 1977-08-17 Method for producing 5,8-dihydroxy-3,4-dihydrocarbostyryl

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52099029A JPS5840949B2 (en) 1977-08-17 1977-08-17 Method for producing 5,8-dihydroxy-3,4-dihydrocarbostyryl

Publications (2)

Publication Number Publication Date
JPS5432484A true JPS5432484A (en) 1979-03-09
JPS5840949B2 JPS5840949B2 (en) 1983-09-08

Family

ID=14235886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52099029A Expired JPS5840949B2 (en) 1977-08-17 1977-08-17 Method for producing 5,8-dihydroxy-3,4-dihydrocarbostyryl

Country Status (1)

Country Link
JP (1) JPS5840949B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59177244U (en) * 1983-05-16 1984-11-27 パイオニア株式会社 antenna device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516974A (en) * 1974-07-08 1976-01-20 Otsuka Pharma Co Ltd 5*88 jihidorokishi 3*44 jihidorokarubosuchiriruno seizoho
JPS5129487A (en) * 1974-09-02 1976-03-12 Otsuka Pharma Co Ltd 55 * 22 amino 11 hidorokishi * echiru 88 hidorokishi 3 44 jihidorokarubosuchirirujudotai no seizohoho
JPS5156460A (en) * 1974-11-08 1976-05-18 Otsuka Pharma Co Ltd 3*44 jihidorokarubosuchirirujudotainoseizoho

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516974A (en) * 1974-07-08 1976-01-20 Otsuka Pharma Co Ltd 5*88 jihidorokishi 3*44 jihidorokarubosuchiriruno seizoho
JPS5129487A (en) * 1974-09-02 1976-03-12 Otsuka Pharma Co Ltd 55 * 22 amino 11 hidorokishi * echiru 88 hidorokishi 3 44 jihidorokarubosuchirirujudotai no seizohoho
JPS5156460A (en) * 1974-11-08 1976-05-18 Otsuka Pharma Co Ltd 3*44 jihidorokarubosuchirirujudotainoseizoho

Also Published As

Publication number Publication date
JPS5840949B2 (en) 1983-09-08

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