Preparation of N-substituted N-isocyanatocarbonyl-carbamates

Details Preparation of N-substituted N-isocyanatocarbonyl-carbamates Preparation of N-substituted N-isocyanatocarbonyl-carbamates

1982-11-03

1984-11-13

Torrence, Dolph H.

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

Organic compounds

Carboxylic acid esters

71 98, 260465D, 2604654, 560 18, 560 22, 560137, 560148, 560156, 560159, 549467, C07C125065, C07C125067

Patent

active

044827377

ABSTRACT:
N-substituted N-isocyanatocarbonyl-carbamates, some of which are new, of the general formula ##STR1## are prepared by reacting an N-substituted carbamic acid ester of the general formula

REFERENCES:
patent: 3919280 (1975-11-01), Rosenthal et al.
patent: 3962302 (1976-06-01), Rosenthal et al.
Synthesis, 1980, p. 112, V. I. Gorbatenko et al., "Reactions of Chlorocarbonyl Isocyanate with Carbamates and Ureas Containing an N--H Bond".

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