5-alkylidene-2-halo-4-substituted-2-cyclopentenone and process f

Details 5-alkylidene-2-halo-4-substituted-2-cyclopentenone and process f 5-alkylidene-2-halo-4-substituted-2-cyclopentenone and process f

1984-07-05

1987-08-25

Gerstl, Robert

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

556441, 560 51, 560 53, 560231, 562459, 562463, 562503, C07C17700

Patent

active

046894268

ABSTRACT:
Novel 5-alkylidene-2-halo-4-substituted-2-cyclopentenone and process for production thereof. The novel 5-alkylidene-2-halo-4-substituted-2-cyclopentenones are represented by the following formula (I): ##STR1## wherein R.sub.a represents a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 12 carbon atoms or a substituted or unsubstituted phenyl group, R.sub.b represents a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 12 carbon atoms, and X represents a halogen atom. The novel cyclopentenones possess excellent pharmaceutical activities including anti-tumor activity, antiviral activity and antimicrobial activity.

REFERENCES:
patent: 3755426 (1973-08-01), Strike

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