Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1980-10-31
1982-05-11
Jiles, Henry R.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
544 3, 544 59, 544153, 544159, 544164, 544383, 546195, 546238, 548356, 549 19, 549 28, 260239R, 260239BC, 260239BF, 260465D, 2604654, 260968, 560 16, 560 17, 560148, 564225, 548517, 548525, 548542, 549371, 549424, 549438, 549449, 549452, 549480, C07D30786, C07C14504, C07C19504
Patent
active
043292933
ABSTRACT:
An improved process is disclosed for sulfenylating carbamates in the presence of a solvent and acid acceptor, in which the reaction between a carbamate and a sulfenyl halide is conducted in the presence of a catalytic amount of a complex of a lower alkylamine and sulfur dioxide. Several methods for preparing and utilizing the complex in the reaction are disclosed and exemplified.
REFERENCES:
patent: 3847951 (1974-11-01), Kohn et al.
patent: 3980673 (1976-09-01), Siegle et al.
patent: 3997549 (1976-12-01), Fukuto et al.
patent: 4006231 (1977-02-01), Black et al.
patent: 4108991 (1978-08-01), Fukuto et al.
Ager John W.
Harding Maurice J. C.
Hatch, III Charles E.
Andersen Robert L.
Dentz Bernard
Ertelt H. Robinson
FMC Corporation
Jiles Henry R.
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