Process for the preparation of sulfonylureas

Details Process for the preparation of sulfonylureas Process for the preparation of sulfonylureas

1994-02-22

1994-12-20

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544199, 544213, 544211, 544210, 544208, 544206, 544205, 544320, 544321, 544323, 544332, C07D25154, C07D25148, C07D25142, C07D23942

Patent

active

053747259

ABSTRACT:
A compound of formula I or salt thereof can be prepared in a process which comprises reacting a compound of formula II with a compound of formula III: ##STR1## wherein the formulae I-III the radical X is O, ONR.sup.2 or SO.sub.2 NR.sup.2 ; Y is N or CH;

REFERENCES:
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patent: 3931277 (1976-01-01), Lohaus
patent: 4191553 (1980-03-01), Reap
patent: 4391976 (1983-07-01), Bohner
patent: 4509972 (1985-04-01), Mengel et al.
patent: 4534790 (1985-08-01), Wolf
patent: 4601747 (1986-07-01), Willms
patent: 4718937 (1988-01-01), Willms
Houben-Weyl, p. 1015, "Methoden der Organischen Chemie", 1983, 334-344.
Chem. Berichte (105) 2792-9 (1972) (Birkofer et al).
J. Chem. Comm, p. 527 (1968) (Thaler).

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