Stereoselective alkylation of chiral 2-methyl-4 protected piperazines
申请人:Schering Corporation
公开号:EP2141143A2
公开(公告)日:2010-01-06
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:
本发明涉及一种制备 4-三氟甲基甲氧基苯乙酮的工艺,包括
(a) 式 XIII 的化合物与式 XIX 的化合物反应生成式 XX 的产物:
和
(b) 将式 XX 的化合物水解为 4-三氟甲基甲氧基苯乙酮:
Stereoselective Alkylation of Chiral 2-Methly-4 Protected Piperazines
申请人:Wu Wenxue
公开号:US20100249411A1
公开(公告)日:2010-09-30
In an illustrative embodiment, the present invention describes the synthesis of the following compound and similar compounds, in high stereochemical purity by a novel stereoselective alkylation process:
US7745626B2
申请人:——
公开号:US7745626B2
公开(公告)日:2010-06-29
Stereoselective alkylation of chiral 2-methyl-4-protected piperazines
申请人:Schering Corporation
公开号:US20030208074A1
公开(公告)日:2003-11-06
In an illustrative embodiment, the present invention describes the synthesis of the following compound and similar compounds, in high stereochemical purity by a novel stereoselective alkylation process:
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