N,N'-[Bis(N-cyanoguanyl)]cystamine derivatives

Details N,N'-[Bis(N-cyanoguanyl)]cystamine derivatives N,N'-[Bis(N-cyanoguanyl)]cystamine derivatives

1978-06-27

1979-06-05

Waltz, Thomas A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C12508

Patent

active

041573404

ABSTRACT:
Novel compounds of the formula ##STR1## wherein each R.sup.1 is the same and is a straight or branched chain alkynyl group containing from 3 to 9 carbon atoms, inclusive, which are useful intermediates in the preparation of anti-ulcer agents, are prepared by reacting cystamine (VI) with an N-cyano-N'-alkynyl-S-methylisothiourea of the formula ##STR2## in which R.sup.1 is as defined above.

REFERENCES:
patent: 3894151 (1975-07-01), Black et al.
patent: 3950333 (1976-04-01), Durant et al.
Khym et al., JACS 79, 5663-5666 (1957).

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