CA997770A - Coumarin derivatives and production thereof - Google Patents

Coumarin derivatives and production thereof

Info

Publication number
CA997770A
CA997770A CA233,843A CA233843A CA997770A CA 997770 A CA997770 A CA 997770A CA 233843 A CA233843 A CA 233843A CA 997770 A CA997770 A CA 997770A
Authority
CA
Canada
Prior art keywords
production
coumarin derivatives
coumarin
derivatives
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
CA233,843A
Inventor
Yasuo Makisumi
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.)
Shionogi and Co Ltd
Original Assignee
Shionogi and 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
Priority claimed from CA141,164A external-priority patent/CA978977A/en
Application filed by Shionogi and Co Ltd filed Critical Shionogi and Co Ltd
Priority to CA233,843A priority Critical patent/CA997770A/en
Application granted granted Critical
Publication of CA997770A publication Critical patent/CA997770A/en
Expired legal-status Critical Current

Links

CA233,843A 1971-05-31 1975-08-21 Coumarin derivatives and production thereof Expired CA997770A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA233,843A CA997770A (en) 1971-05-31 1975-08-21 Coumarin derivatives and production thereof

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3761671 1971-05-31
CA141,164A CA978977A (en) 1971-05-31 1972-05-03 Coumarin derivatives and production thereof
CA233,843A CA997770A (en) 1971-05-31 1975-08-21 Coumarin derivatives and production thereof

Publications (1)

Publication Number Publication Date
CA997770A true CA997770A (en) 1976-09-28

Family

ID=27161969

Family Applications (1)

Application Number Title Priority Date Filing Date
CA233,843A Expired CA997770A (en) 1971-05-31 1975-08-21 Coumarin derivatives and production thereof

Country Status (1)

Country Link
CA (1) CA997770A (en)

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19930928