Palladium-catalyzed stille couplings of aryl-, vinyl-, and alkyltrichlorostannanes in aqueous solution
作者:Roopa Rai、Katherine B. Aubrecht、David B. Collum
DOI:10.1016/0040-4039(95)00485-u
日期:1995.5
Stille coupling of water-soluble aryl and vinyl halides with alkyl-, aryl-, and vinyltrichlorostannane derivatives (RSnCl3) are effected in aqueous solution using a catalyst generated in situ from PdCl2 and KOH both with and without added PhP(m-C6H4SO3Na)2. The yields are generally good to excellent, although some limitations of the protocol are described.
的Stille的水溶性的芳基和乙烯基卤化物与烷基连接,芳基- ,和vinyltrichlorostannane衍生物(RSnCl 3)使用所生成的催化剂在水溶液中进行原位从的PdCl 2和KOH具有和不具有添加的PHP(米-C 6 H 4 SO 3 Na)2。尽管描述了协议的一些局限性,但收率通常良好或优异。
PLANT GROWTH REGULATOR
申请人:University of Washington
公开号:US20210235697A1
公开(公告)日:2021-08-05
Providing an auxin derivative that can exert its intended effect more efficiently, while reducing any unintended effects.
A compound represented by the General Formula (1) having a specific substituent at the 5- and/or 6-position of the auxin indole ring.
practical and facile method for synthesizing indole 3-acetic acid and azaindole 3-acetic acidderivatives was developed by using 2-hydroxy-1-tosylindoline-3-triethylammonium bromide and 3-bromo-2-hydroxy-1-tosylazaindoline as starting materials. The lactone derivatives obtained by the reaction with Meldrum's acid and triethylamine were used as key intermediates, in which the acetic acid unit was introduced
申请人:Inter-University Research Institute Corporation
Research Organization of Information and Systems
公开号:EP4001414A1
公开(公告)日:2022-05-25
A genetically modified non-human animal in which an auxin-inducible degron system controls degradation of a target protein in a living body includes: a chromosome containing a first nucleic acid that encodes a mutant TIR1 family protein having a mutation at an auxin-binding site and having affinity to an auxin analog.