Cross‐Electrophile Coupling between Aryl/Vinyl Triflates and Vinyl Tosylates for the Synthesis of
<i>gem</i>
‐Difluoroalkenes via Ni/Pd Cooperative Catalysis
作者:Baojian Xiong、Yue Li、Jinyu Zhang、Jiangjun Liu、Xuemei Zhang、Zhong Lian
DOI:10.1002/adsc.202101388
日期:2022.3
A dual nickel-/palladium-catalyzed direct gem-difluorovinylation of readily available aryl/vinyltriflates with substituted gem-difluorovinyl tosylates is presented. This protocol affords various diaryldifluoroalkene, arylalkyldifluoroalkene and 1,1-difluoro-2-substituted-1,3-dienes under mild reaction conditions with excellent functional group compatibility, and provides a potential pathway to the
申请人:MERCK PATENT GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG
公开号:WO1987003870A1
公开(公告)日:1987-07-02
(EN) Isothiocyanate derivatives can be used as components of liquid crystal phases.(FR) Des dérivés d'isothiocyanate peuvent être utilisés comme composants des phases de cristaux liquides.
Liquid-crystalline mustard oils
申请人:Merck Patent Gesellschaft mit beschrankter Haftung
公开号:US04970022A1
公开(公告)日:1990-11-13
Mustard oils of the formula I R--(A.sup.1 --Z.sup.1).sub.n --A.sup.2 --Z.sup.2 --A.sup.3 --NCS in which A.sup.1, A.sup.2, A.sup.3, R, Z.sup.1, Z.sup.2 and n have the meaning specified in claim 1 can be used as components of liquid-crystalline phases.