Process for the preparation of sulphonylisoureas

Details Process for the preparation of sulphonylisoureas Process for the preparation of sulphonylisoureas

1990-08-01

1992-06-30

Ford, John M.

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

Organic compounds

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

544321, 544332, C07D23942

Patent

active

051264544

ABSTRACT:
A process for the preparation of a sulphonylisourea of the formula ##STR1## in which R.sup.1 is an optionally substituted radical selected from the group consisting of alkyl, aralkyl, aryl and heteroaryl,

REFERENCES:
Hayashi et al., Chemical Abstracts, vol. 69, entry 59209c (1968).
Furukawa et al., Chemical Abstracts, vol. 78, entry 159566w (1973).
Chem. Pharm. Bull., 16(2), pp. 474-479 (1968).
Chem. Pharm. Bull., 21(3), pp. 478-482 (1973).

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