Novel spiro-quaternary ammonium halides are disclosed. The new compounds are particularly valuable as intermediates in preparation of N-(2-pyrimidinyl)piperazinylalkyl derivatives of azaspiroalkanediones such as the psychopharmacologic agent 8-[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]-8-azaspiro[4.5]decane-7,9-dio ne.
The present invention provides compounds of Formula I,
1
including pharmaceutically acceptable salts and/or prodrugs thereof, where G, R
2
, and R
3
are defined as described herein.
本发明提供了公式I的化合物,包括其药学上可接受的盐和/或前药,其中G、R2和R3的定义如本文所述。
Highly selective hydrogenation and hydrogenolysis using a copper-doped porous metal oxide catalyst
作者:Laurene Petitjean、Raphael Gagne、Evan S. Beach、Dequan Xiao、Paul T. Anastas
DOI:10.1039/c5gc01464f
日期:——
A copper-doped porous metal oxide catalyst in combination with hydrogen shows selective and quantitative hydrogenolysis of benzyl ketones and aldehydes, and hydrogenation of alkenes.
一种掺铜多孔金属氧化物催化剂与氢气结合,可实现对苄基酮和醛的选择性和定量氢解,以及烯烃的加氢作用。
Substituted tetronic acids useful for treating HIV and other retroviruses
申请人:——
公开号:US05977169A1
公开(公告)日:1999-11-02
This invention comprises novel substituted tetronic acid type compounds, 2, 4(3H, 5H)-furandiones, that are useful for the inhibition of the HIV protease enzyme. The compounds may be useful for the treatment of a person with AIDS or AIDS related diseases. The compounds may be used in the attempt to retard the further replication of any retrovirus containing the aspartyl protease enzyme. Compounds are represented by the formula below. ##STR1##
C-19 MODIFIED TRITERPENOIDS WITH HIV MATURATION INHIBITORY ACTIVITY
申请人:BRISTOL-MYERS SQUIBB COMPANY
公开号:US20140221361A1
公开(公告)日:2014-08-07
Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, C-19 modified triterpenoids that possess unique antiviral activity are provided as HIV maturation inhibitors, as represented by compounds of Formulas I and II:
These compounds are useful for the treatment of HIV and AIDS.