Method for producing 7-(pyrazole-3-yl) benzoxazoles

Details Method for producing 7-(pyrazole-3-yl) benzoxazoles Method for producing 7-(pyrazole-3-yl) benzoxazoles

2005-05-03

2005-05-03

McKane, Joseph K. (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

06888003

ABSTRACT:
A process for preparing 7-(pyrazol-3-yl)benzoxazoles of the formula Iin which the variables R1-R6are as defined in claim1, which process is characterized in that a 2-halo-3-(pyrazol-3-yl)anilide of the formula II,in which X is bromine or iodine is reacted with a base in the presence of a transition metal compound of subgroup VIIa, VIIIa or Ib of the Periodic Table of the Elements, is disclosed.

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