Thien-2-one compounds with an alkylidene or imino group in the 5

Details Thien-2-one compounds with an alkylidene or imino group in the 5 Thien-2-one compounds with an alkylidene or imino group in the 5

1988-05-17

1990-03-13

Higel, Floyd D.

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

Organic compounds

Azo

8574, 8575, 8662, 534751, 534753, 534775, 534887, 549 59, 549 61, 549 62, 549 63, C09B 2909, C07D33332, C07D33336, C07D33338

Patent

active

049084372

ABSTRACT:
The invention relates to novel thienone compounds useful in dyeing fibers, of the formula: ##STR1## where R.sup.1 is cyano, C.sub.1 -C.sub.4 -alkoxycarbonyl, carbamoyl or C.sub.1 -C.sub.4 -monoalkylcarbamoyl or -dialkylcarbamoyl,

REFERENCES:
patent: 2500822 (1950-03-01), Hartough et al.
patent: 2685509 (1954-08-01), Doyle et al.
patent: 4092329 (1978-05-01), Jotterand
patent: 4111956 (1978-09-01), Baird et al.
patent: 4214091 (1980-07-01), Oishi et al.
patent: 4239894 (1980-12-01), Seybold et al.
Dyes and Pigments, vol. 1, pp. 3-15, (1980), "Preparing of Some New Red Fluorescent 4-Cyanocoumarin Dyes", (Moeckli).
Journal Prakt Chem., vol. 317, pp. 861-866, (1975), "Synthese und Reaktionen von 2-hydroxy-3-cyan-thiophenen", (Gewald et al).
Dissertation, M. Hentschel, Technischen Universitat Dresden, Jan. 28, 1975.

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