The present invention aims to provide a compound having a PDE inhibitory action and useful as a medicament for the prophylaxis or treatment of schizophrenia and the like.
A compound represented by the formula (1
x
):
wherein each symbol is as described in the DESCRIPTION, or the formula (1):
W
1
—W
2
(1)
wherein each symbol is as described in the DESCRIPTION,
or a salt thereof.
Disclosed herein are novel N-acyl-3-aryl-3-azetidinols useful as intermediates. A method is provided for their direct preparation from acyclic starting materials. These N-acyl-3-aryl-azetidinols provide a convenient route to the 3-azetidinol series.
Catalytic Enantioselective Intermolecular Desymmetrization of Azetidines
作者:Zhaobin Wang、Fu Kit Sheong、Herman H. Y. Sung、Ian D. Williams、Zhenyang Lin、Jianwei Sun
DOI:10.1021/jacs.5b03083
日期:2015.5.13
The first catalytic asymmetric desymmetrization of azetidines is disclosed. Despite the low propensity of azetidine ring opening and challenging stereocontrol, smooth intermolecular reactions were realized with excellent efficiency and enantioselectivity. These were enabled by the suitable combination of catalyst, nucleophile, protective group, and reaction conditions. The highly enantioenriched densely
NOVEL COMPOSITIONS USEFUL FOR INHIBITING HIV-1 INFECTION AND METHODS USING SAME
申请人:DREXEL UNIVERSITY
公开号:US20160214998A1
公开(公告)日:2016-07-28
The present invention includes novel compounds, and compositions comprising same, useful for preventing or treating an HIV-1 infection in a subject in need thereof. The present invention further includes a novel method of preventing or treating an HIV-1 infection in a subject in need thereof, comprising administering to the subject an effective amount of a compound and/or composition of the invention. In certain embodiments, the subject is further administered at least one additional therapeutic agent.
The present invention relates to
wherein each symbol is as defined in the specification. The compound of the present invention has a superior RBP4-lowering action, and is useful as a medicament for the prophylaxis or treatment of disease and condition mediated by increased RBP4.