Title:
ピラゾールのアルキル化に関する方法
Document Type and Number:
Japanese Patent JP2013500309
Kind Code:
A
Abstract:
The present invention relates to processes for the preparation of a compound of formula (I) comprising reacting a compound of formula (IV) with a compound of formula III or (IIIA) in the presence of an acid; wherein R1 is C1-C4 haloalkyl; R2 is optionally substituted alkyl, optionally substituted aryl or optionally substituted heteroaryl; R3 is methyl or ethyl; R4 is hydrogen, optionally substituted alkyl, optionally substituted aryl or optionally substituted heteroaryl; and n is 0 or 1.
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Inventors:
Lynn Hua Wan
Littesh Barat Chess
Maren Furst
Littesh Barat Chess
Maren Furst
Application Number:
JP2012522151A
Publication Date:
January 07, 2013
Filing Date:
July 27, 2010
Export Citation:
Assignee:
Syngenta Partitions Akchen Gesell Shaft
International Classes:
C07D231/14; C07B61/00
Domestic Patent References:
| JP2000212166A | 2000-08-02 | |||
| JP2008517019A | 2008-05-22 | |||
| JP2008502636A | 2008-01-31 | |||
| JP2009516646A | 2009-04-23 |
Foreign References:
| WO2008053044A2 | 2008-05-08 | |||
| WO2006090778A1 | 2006-08-31 | |||
| WO2010009990A1 | 2010-01-28 | |||
| US5498624A | 1996-03-12 |
Other References:
JPN6014046076; Ｊ． Ｃｈｅｍ． Ｓｏｃ． Ｐｅｒｋｉｎ Ｉ , 1973, ２５０６-２５０８
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Fukumoto product
Tetsuji Koga
Yoichi Watanabe
Masaru Nakajima
Tatsunori Ikeda
Takashi Ishida
Fukumoto product
Tetsuji Koga
Yoichi Watanabe
Masaru Nakajima
Tatsunori Ikeda