Title:
METHOD FOR PRODUCING OPTICALLY ACTIVE 2-METHYLEPIHALOHYDRIN OR THE LIKE
Document Type and Number:
Japanese Patent JP2007291010
Kind Code:
A
Abstract:
To provide an efficient method for producing a 2-methylepihalohydrin or the like useful as an intermediate of a medicine or an agrochemical.
The 2-methylepihalohydrin is produced by sulfonylating a primary hydroxy group of a 3-halogeno-2-methyl-1,2-propanediol to afford 3-halogeno-2-methyl-1-sulfonyloxy-2-propanol (3), and treating the 3-halogeno-2-methyl-1-sulfonyloxy-2-propanol with a base.
COPYRIGHT: (C)2008,JPO&INPIT
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Inventors:
YAEGASHI KEISUKE
FUKUMOTO DAISUKE
MIKAMI MASAFUMI
FUKUMOTO DAISUKE
MIKAMI MASAFUMI
Application Number:
JP2006120352A
Publication Date:
November 08, 2007
Filing Date:
April 25, 2006
Export Citation:
Assignee:
DAISO CO LTD
International Classes:
C07D301/02; C07C67/22; C07C69/675; C07C253/16; C07C255/12; C07D303/08; C07B53/00
Domestic Patent References:
| JPH1180144A | 1999-03-26 | |||
| JPH07149750A | 1995-06-13 | |||
| JPH07149764A | 1995-06-13 | |||
| JPH0977772A | 1997-03-25 | |||
| JPS5268196A | 1977-06-06 | |||
| JPS6366176A | 1988-03-24 | |||
| JP2001342184A | 2001-12-11 | |||
| JP2002179663A | 2002-06-26 | |||
| JP2002193959A | 2002-07-10 |
Foreign References:
| US20040067979A1 | 2004-04-08 | |||
| US20040068135A1 | 2004-04-08 | |||
| WO2004031136A1 | 2004-04-15 |
Attorney, Agent or Firm:
Kyousei Tamura
Yushiro Tsuboi
Nagatoshi Shinagawa
Yushiro Tsuboi
Nagatoshi Shinagawa
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