3-hydroxy-6H-benzo [c] chromene-6-one derivative and manufacturing method thereof

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United States of America Patent

PATENT NO 8802869
APP PUB NO 20130310576A1
SERIAL NO

13982534

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Abstract

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A method of manufacturing a compound or a salt thereof expressed with a formula (III) below, characterized by causing a compound or a salt thereof expressed with a formula (I) below and a compound or a salt thereof expressed with a formula (II) below to react in the presence of carbonate and copper salt or in the presence of hydroxide salt, carbonate, and copper salt.

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Patent Owner(s)

Patent OwnerAddress
AYUMI PHARMACEUTICAL CORPORATION4-12-15 GINZA CHUO-KU TOKYO 104-0061

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ban, Masakazu Ikoma, JP 33 141
Kudou, Kazuhiro Ikoma, JP 7 66
Ohno, Atsushi Ikoma, JP 11 17
Yamamoto, Noriyoshi Ikoma, JP 14 212

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