Title:
光学活性1-(2-トリフルオロメチルフェニル)エタノールの精製方法
Document Type and Number:
Japanese Patent JP5233299
Kind Code:
B2
Abstract:
There is disclosed a purification method of an optically active 1-(2-trifluoromethylphenyl)ethanol represented by the formula [1], which includes recrystallizing the optically active 1-(2-trifluoromethylphenyl)ethanol from an aliphatic hydrocarbon solvent
where * denotes an asymmetric carbon.
This method makes it possible to improve the optical purity of the ethanol significantly.
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Inventors:
Akio Ishii
Hideyuki Tsuruta
Hideyuki Tsuruta
Application Number:
JP2008024867A
Publication Date:
July 10, 2013
Filing Date:
February 05, 2008
Export Citation:
Assignee:
Central Glass Co., Ltd.
International Classes:
C07C29/78; C07B57/00; C07C33/20
Domestic Patent References:
| JP2003226659A | ||||
| JP5208927A | ||||
| JP2002030020A | ||||
| JP2002187873A |
Other References:
Tetrahedron: Asymmetry,1996年,7(11),P3285-3294
Journal of Organic Chemistry,1999年,64(7),P2186-87
Organic Letters,2005年,7(24),P5489-91
Jornal of Florine Chemistrty,2007年,128(7),P827-31
Journal of Organic Chemistry,1999年,64(7),P2186-87
Organic Letters,2005年,7(24),P5489-91
Jornal of Florine Chemistrty,2007年,128(7),P827-31
Attorney, Agent or Firm:
Makoto Koide