Title:
キラル2-メチル-4-保護化ピペラジンの立体選択的アルキル化
Document Type and Number:
Japanese Patent JP2005526826
Kind Code:
A
Abstract:
The invention relates to a process for preparing 4-trifluoromethyl methoxyacetophenone comprising:
(a) reacting the compound of Formula XIII with the compound of formula XIX to form the product of formula XX: and (b) hydrolyzing the compound of formula XX to 4-trifluoromethyl methoxyacetophenone:
Inventors:
U, Wenshwe
Liao, Hong Biao
Tsai, David Jay.
Andrews, David Earl.
Gala, Dinesh
Lee, Garry M.
Schwartz, Martin Lawrence
Macalister, Timothy El.
Fu, Xiao Yong
Maloney, Donal
Sylven Gadam, T. K.
Tan, butterfly-han
Liao, Hong Biao
Tsai, David Jay.
Andrews, David Earl.
Gala, Dinesh
Lee, Garry M.
Schwartz, Martin Lawrence
Macalister, Timothy El.
Fu, Xiao Yong
Maloney, Donal
Sylven Gadam, T. K.
Tan, butterfly-han
Application Number:
JP2003582139A
Publication Date:
September 08, 2005
Filing Date:
March 27, 2003
Export Citation:
Assignee:
Schering Corporation
International Classes:
C07D241/04; C07B53/00; C07B61/00; C07C45/51; C07C303/28; C07C309/73; C07D295/084; C07D295/088; C07D295/185; C07D295/192; C07D295/205; (IPC1-7): C07D241/04; C07C303/28; C07C309/73
Domestic Patent References:
| JP2002255943A | 2002-09-11 |
Foreign References:
| WO2000066558A1 | 2000-11-09 | |||
| WO2000076984A2 | 2000-12-21 | |||
| WO2001090090A1 | 2001-11-29 |
Attorney, Agent or Firm:
Hidesaku Yamamoto
Takaaki Yasumura
Natsuki Morishita
Takaaki Yasumura
Natsuki Morishita