Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfate esters
Patent
1995-05-25
1999-06-15
Ford, John M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Sulfate esters
558 41, 558 48, 558 53, C07C30328
Patent
active
059123796
ABSTRACT:
Processes for preparing sulfonylureas Compounds of the formula I or salts thereof, ##STR1## in which X is oxygen, --O--NR.sup.2 -- or --SO.sub.2 --NR.sup.2 --, and Y is N or CH,
REFERENCES:
patent: 3931277 (1976-01-01), Lohaus
patent: 4191553 (1980-03-01), Reap
patent: 4601747 (1986-07-01), Willms et al.
patent: 5104443 (1992-04-01), Kehne et al.
Ford John M.
Hoechst Aktiengesellschaft
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