３−ハロアルキルピラゾールの調製方法 - Syngenta Partitions Akchen Gesell Shaft

Title:

３−ハロアルキルピラゾールの調製方法

Document Type and Number:

Japanese Patent JP5869570

Kind Code:

B2

Abstract:

The present invention provides a process for the preparation of a compound of formula (I) wherein R1 is C1-C4 haloalkyl; R2 is optionally substituted alkyl, optionally substituted aryl or optionally substituted heteroaryl; and R3 is methyl or ethyl; comprising reacting a compound of formula (IV) wherein R1, R2 and R3 are as defined for the compound of formula I; with an alkylating agent in the presence of an amide.

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Inventors:

Rinfa One
Littesh Barratt Chess

Application Number:

JP2013523567A

Publication Date:

February 24, 2016

Filing Date:

August 03, 2011

Export Citation:

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Assignee:

Syngenta Partitions Akchen Gesell Shaft

International Classes:

C07D231/14; C07D409/12

Domestic Patent References:

JP2010526819A
JP2009541404A
JP2009215194A
JP11503181A
JP2008517019A
JP2010528071A
JP2013500945A

Foreign References:

WO2009147167A1

Attorney, Agent or Firm:

Atsushi Aoki
Takashi Ishida
Fukumoto product
Tetsuji Koga
Yoichi Watanabe
Masaru Nakajima
Kenji Chatan

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