CA1019333A - Chromone intermediates - Google Patents

Chromone intermediates

Info

Publication number
CA1019333A
CA1019333A CA247,058A CA247058A CA1019333A CA 1019333 A CA1019333 A CA 1019333A CA 247058 A CA247058 A CA 247058A CA 1019333 A CA1019333 A CA 1019333A
Authority
CA
Canada
Prior art keywords
chromone
intermediates
chromone intermediates
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
CA247,058A
Inventor
Akira Nohara
Tomonobu Umetani
Yasushi Sanno
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.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries 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 JP47037235A external-priority patent/JPS5118955B2/ja
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Priority to CA247,058A priority Critical patent/CA1019333A/en
Application granted granted Critical
Publication of CA1019333A publication Critical patent/CA1019333A/en
Expired legal-status Critical Current

Links

CA247,058A 1972-04-12 1976-03-03 Chromone intermediates Expired CA1019333A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA247,058A CA1019333A (en) 1972-04-12 1976-03-03 Chromone intermediates

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP47037235A JPS5118955B2 (en) 1972-04-12 1972-04-12
CA168,432A CA1006160A (en) 1972-04-12 1973-04-11 Chromone derivatives
CA247,058A CA1019333A (en) 1972-04-12 1976-03-03 Chromone intermediates

Publications (1)

Publication Number Publication Date
CA1019333A true CA1019333A (en) 1977-10-18

Family

ID=27162705

Family Applications (1)

Application Number Title Priority Date Filing Date
CA247,058A Expired CA1019333A (en) 1972-04-12 1976-03-03 Chromone intermediates

Country Status (1)

Country Link
CA (1) CA1019333A (en)

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