Diaminothiophenes

Details Diaminothiophenes Diaminothiophenes

1990-02-01

1991-11-12

Shah, Mukund J.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544316, 544 60, 544146, 544379, 546284, 546212, 548136, 548327, 548374, 548465, 548468, 548336, 548527, 549 60, 549 61, 549 59, C07D33338

Patent

active

050649620

ABSTRACT:
Diaminothiophenes of the formula ##STR1## or tautomers thereof, where R.sup.1 and R.sup.2 are each hydrogen or together are ##STR2## where T.sup.1 is hydrogen, alkyl or phenyl, T.sup.2 and T.sup.3 are, independently of one another, alkyl or phenyl, or T.sup.2 and T.sup.3 together with the nitrogen linking them are a heterocyclic radical,

REFERENCES:
Gewald et al., Chemical Abstracts, vol. 77, No. 151786b (1972).
Organic Chemistry, 4th Ed., Morrison and Boyd, (1983), p. 1272, Allyn and Bacon, Inc.
J. Prakt. Chem., vol. 328, pp. 459-464, 1986, K. Gewald et al., "Substituierte 3,4-Diamino-Thieno(2,3-b)Pyrrole".
J. Chem. Soc. Perkin Trans. I, 1986, pp. 1171 to 1179, B. R. Fishwick et al., "Bromonitromethane-A Versatile Electrophile".
Monatsh. Chem., vol. 112, pp. 1393 to 1404, K. Gewald et al., "Zur Chemie Der 4-Aminothiazolin-2-Thione".

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