Heterocyclic compounds: 2-styryl-4H-1-benzopyran-4-ones

Details Heterocyclic compounds: 2-styryl-4H-1-benzopyran-4-ones Heterocyclic compounds: 2-styryl-4H-1-benzopyran-4-ones

1993-10-27

1995-04-25

Chan, Nicky

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

549387, A61K 3135

Patent

active

054099528

ABSTRACT:
A compound of the formula (I) ##STR1## in which: R.sub.1 represents a hydrogen atom, a lower alkyl group, a hydroxy group or a lower alkoxy group,

REFERENCES:
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Kossakowski, et al., Acta Polon, Pharm.XLIV, Nr 2, 1987, "Synteza Aminoetylowych 1 Aminoalkanolowych Pochodnych 7-Styryl-5H-Furo[3,2-g] [1] Benzopiran-5-onu", pp. 147-154.
Kossakowski, Acta Polon, Pharm. XXXVII, Nr 6, 1980, "Synthesis of [2-styryl-8-methoxyfuran(3':2'-6:7)chromonoxy-5]propionic acid and its derivatives", pp. 625-629.
Musante, et al., Am. Chim., 45, (1955), "Su alcuni nuovi derivati della Khellina e del suo prodotto di demetilazione.", pp. 918-942.
El-Sharief, et al., Egypt. J. Chem. 27, No. 4, (1984), "Synthesis of some visnagin derivatives with expected biological activity", pp. 533-546.
Regaila, et al., Egypt. J. Pharm. Sci. vol. 30, No. 1-5, (1989), "Reactions with Visnagin and Khellin. Synthesis and biological activity of some 5-substituted-furobenzopyran and 2-styryl furochromone derivatives", pp. 159-170.
Sidky, et al., J. Chem. U.A.R., 11, No. 3, (1968), "On 2-styrylvisnagin and 2-styrylkhellin", pp. 393-395.

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