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公开(公告)号：US3812156A
公开(公告)日：1974-05-21
申请号：US19147971
申请日：1971-10-21
Applicant: RECORDATI CHEM PHARM
IPC: C07D311/32 , C07D311/30 , C07D7/34
CPC classification number: C07D311/30
Abstract: LOWER ALKYL ESTERS OF FLAVONE-7-OXYACETIC ACID ARE MADE BY REACTING CHLOROACETONITRILE WITH RESACETOPHENONE TO GIVE 2''-HYDROXY-4''-XYANOMETHOXY ACETOPHENONE, REACTING THE LATTER COMPOUND WITH BENZOYL CHLORIDE TO GIVE 1-(2HYDROXY-4-CYANOMETHOXY PHENYL)-3-PHENYL PROPANE-1,3DIONE AND THEN REACTING THE LATTER COMPOUND WITH AN ANHYDROUS LOWER ALKANOL IN THE PRESENCE OF A MINERAL ACID.
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