Bifunctional phenyliso(thio)cyanates, processes and...

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

Reexamination Certificate

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C558S414000

Reexamination Certificate

active

07820846

ABSTRACT:
A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agentwhere W is oxygen or sulfur and Ar and A are as defined in claim1is described.Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.

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