Physiologically active substance P-23924, its production and use

Details Physiologically active substance P-23924, its production and use Physiologically active substance P-23924, its production and use

1983-10-19

1986-02-11

Raymond, Richard L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Radical -xh acid, or anhydride, acid halide or salt thereof...

260396R, 567427, 568637, 514682, 514721, 514756, C07C 5016, C07C147107

Patent

active

045699437

ABSTRACT:
The compound of the formula: ##STR1## wherein R.sub.1 is hydrogen, methyl or hydroxymethyl, R.sub.2 is hydrogen or methoxy, R.sub.3 is hydroxy or methoxy, and R.sub.4 is hydrogen or a group ##STR2## is novel, and the compound is of use as inhibitors of animal tissue fibrosis, or biochemical reagents.

REFERENCES:
Chemical Abstracts, vol. 85, No. 46, 287g, Kurt, "Diel-Alde Reaction of Thiophene Oxides Generated in Situ," 1976.
Chemical Abstracts, vol. 101, No. 116,580x, Hocquaux, "5-Hydroxy-1,4-Naphthaquinone Dye for Keratin Fibers, Especially Hair," 1984.

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