Process for the preparation of sulfonylureas

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

1992-03-05

1995-05-09

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544320, 544321, 544323, 544332, 544211, 544196, 544197, 544205, 544208, C07D23942, C07D23947, C07D25146, C07D 2552

Patent

active

054140846

ABSTRACT:
Herbicidal sulfonylureas of the formula I, ##STR1## in which X is --O--, --O--NR.sup.2 -- or --SO.sub.2 --NR.sup.2 --, Y is --N-- or CH,

REFERENCES:
patent: 3931277 (1976-01-01), Lohaus et al.
patent: 4191553 (1980-03-01), Reap
patent: 4600792 (1986-07-01), Shiokawa et al.
patent: 4601747 (1986-07-01), Willms et al.
M. I. R. Hedayatullah et al., Phosphorus, Sulfur and Silicon, 1991, vol. 61, pp. 19-25.
R. Graf, Chemische Berichte, vol. 96, pp. 56-67 (1963).

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