Organobis(cuprates): a new class of reagents and method for spiroannelation
作者:Paul A. Wender、Alan W. White
DOI:10.1021/ja00215a035
日期:1988.3
Reaction d'organobiscuprates avec des halogeno-3 cyclohexene- et -cyclopentene-2ones: obtention de cyclohexanones et cyclopentanones spiranes en position 3
反应 d'organobiscuprates avec deshalo-3 cyclohexene-et-cyclopentene-2ones: 获得环己酮和环戊酮螺环在位置 3
Helical primary structures of 1,3-spiroannelated five-membered rings: (±)-trispiro[4.1.1.4.2.2]heptadecane and (±)-tetraspiro[4.1.1.1.4.2.2.2]heneicosane
作者:Imelda Meyer-Wilmes、Ralf Gerke、Lutz Fitjer
DOI:10.1016/j.tet.2008.12.025
日期:2009.2
A combination of three spiroannelation methods forms the basis for a synthesis of the first two helicalhydrocarbons of 1,3-spiroannelated five-memberedrings.
三种螺氧基化方法的组合构成了1,3-螺氧基化五元环的前两个螺旋碳氢化合物合成的基础。
NOVEL PYRAZINE COMPOUNDS FOR THE TREATMENT OF INFECTIOUS DISEASES
申请人:Hoffmann-La Roche Inc.
公开号:US20160237090A1
公开(公告)日:2016-08-18
The present invention relates to compounds of the formula (I),
or pharmaceutically acceptable salts, enantiomer or diastereomer thereof, wherein R
1
to R
4
are as described above. The compounds may be useful for the treatment or prophylaxis of hepatitis B virus infection.