Process for preparing pyrazole derivatives

Details Process for preparing pyrazole derivatives Process for preparing pyrazole derivatives

1997-03-12

1999-05-25

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

5483714, 5483721, 5483725, 5483751, 5483761, 5483771, C07D23110, C07D23114, C07D40104

Patent

active

059070412

ABSTRACT:
The invention relates to a process for preparing compounds having the formula: ##STR1## wherein R.sub.3, R.sub.4, R.sub.6 and Ar are as defined in the description, by reaction of a compound of formula (I) with a compound of formula (II) according to the following reaction scheme: ##STR2## The compounds of formula (IV) are useful as pesticides.

REFERENCES:
patent: 5232940 (1993-08-01), Hatton et al.
patent: 5236938 (1993-08-01), Huang et al.
Phillips, Organic Reactions, vol. 10, ed. Adams et al, John Wiley & Sons, Inc., New York, Chapter 2, pp. 143-178 (1959).

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