Preparation of tertiary alkyl isocyanates

C - Chemistry – Metallurgy – 07 – C

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260/455.7

C07C 119/048 (1985.01)

Patent

CA 1202316

ABSTRACT OF THE DISCLOSURE A process for the production of tertiary alkyl isocyanates, such as tetramethylxylylene diisocyanates, is disclosed in which the corresponding tertiary alkyl halide is reacted with an alkali metal cyanate utilizing a zinc-pyridine complex as a catalyst which has been prereacted with the cyanate before reaction with the halide.

426478

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