Preparation of organic isocyanates

Details Preparation of organic isocyanates Preparation of organic isocyanates

1978-01-31

1979-05-08

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260553C, C07C11800

Patent

active

041536240

ABSTRACT:
A process for the manufacture of organic isocyanates which comprises reacting a substituted urea having at least one unsubstituted NH.sub.2 group with nitrous acid in the presence of a water-immiscible solvent and a phase transfer agent.

REFERENCES:
patent: 3465025 (1969-09-01), Brownstein et al.

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