Synthesis of derivatives of 4,9-dimethoxy-5-methyl-7H-furo- (3,2-g) -1-benzopyrano-6-carboxy-7-one
Pecori Vettori, L.; Auzzi, G.; Papini, P.; Bruni, F.
Il Farmaco; Edizione Scientifica 30(9): 754-760
1975
ISSN/ISBN: 0430-0920 PMID: 1157923 Document Number: 84399
Compounds of the 7H-furo-[3,2-g]-1-benzopyran system are prepared by condensation of kellinone with malonic acid derivatives. The 4,9-dimethoxy-5-methyl-7-H-furo-[3,2g]-1-benzopyran-7-one-6-carboxylic acid chloride reacts with aliphatic and heterocyclic amines and with aliphatic aminoalcohols giving amides that could have pharmacological interest.
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