Aryne intermediates and a process for the preparation thereof

Details Aryne intermediates and a process for the preparation thereof Aryne intermediates and a process for the preparation thereof

1998-01-29

1999-01-05

Burn, Brian M.

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

Organic compounds

Amino nitrogen containing

544211, 564404, 564407, 564443, 564442, 568322, 568323, 568705, C07C20974

Patent

active

058565760

ABSTRACT:
There are provided aryne intermediates of formula I, useful in the manufacture of herbicidal compounds. ##STR1## Also provided is a method to prepare the formula I intermediates via the palladium catalyzed coupling of an o-halonitrobenzene or o-haloaniline with 3-butyne-1-ol.

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