21-11-2013 дата публикации
Номер: US20130310576A1
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. 3. The method according to claim 2 , wherein{'sup': 7', '8', '9', '10, 'in formula (IIIa) above, R, R, and Reach represent a hydrogen atom and Rrepresents a lower alkyl group, an aryl group, a lower alkoxy group, or an arylalkyloxy group.'}4. The method according to claim 2 , wherein{'sup': 7', '8', '9', '10, 'in formula (IIIa) above, R, R, and Reach represent a hydrogen atom and Rrepresents a methyl group, a phenyl group, a tert-butoxy group, or a benzyloxy group.'}5. The method according to claim 2 , whereinthe compound or the salt thereof expressed with formula (IIIa) above is a compound or a salt thereof selected from the group consisting of8-acetamide-3-hydroxy-6H-benzo[c]chromene-6-one,8-benzyloxycarbonylamino-3-hydroxy-6H-benzo[c]chromene-6-one,8-benzoylamino-3-hydroxy-6H-benzo[c]chromene-6-one, and8-(tert-butoxycarbonylamino)-3-hydroxy-6H-benzo[c]chromene-6-one.8. The method according to claim 7 , wherein{'sup': 7', '8', '9', '10, 'in formula (IIIa) above, R, R, and Reach represent a hydrogen atom and Rrepresents a lower alkyl group, an aryl group, a lower alkoxy group, or an arylalkyloxy group.'}9. The method according to claim 7 , wherein{'sup': 7', '8', '9', '10, 'in formula (IIIa) above, R, R, and Reach represent a hydrogen atom and Rrepresents a methyl group, a phenyl group, a tert-butoxy group, or a benzyloxy group.'}10. The method according to claim 7 , whereinthe compound or the salt thereof expressed with formula (IIIa) above is a compound or a salt thereof selected from the group consisting of8-acetamide-3-hydroxy-6H-benzo[c]chromene-6-one,8-benzyloxycarbonylamino-3-hydroxy-6H-benzo[c ...
Подробнее