Method for producing substituted pyrazolecarboxylic acid...

Details Method for producing substituted pyrazolecarboxylic acid... Method for producing substituted pyrazolecarboxylic acid...

2011-07-12

2011-07-12

Saeed, Kamal (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07977494

ABSTRACT:
The present invention relates to a process for preparing substituted pyrazolyl chlorides by chlorinating aldehydes of the formula (II) under free-radical conditions.

REFERENCES:
patent: 5675016 (1997-10-01), Gallenkamp et al.
patent: 02085257 (1990-03-01), None
patent: 07010845 (1995-01-01), None
patent: 7070076 (1995-03-01), None
patent: 93/11117 (1993-06-01), None
International Search Report from PCT/EP2008/000091; dated Apr. 2, 2009; (5 pages).
Huppatz “Systemic Fungicides. The synthesis of Certain Pyrazole Analogues of Caboxin,” in Aust. J. Chem., 1983, 36, 135-47.

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