The application of cyclic and acyclic enol ethers as electrophiles in cross coupling reactions offers new possibilities for the preparation of functional compounds.
环状和非环状烯醇醚作为亲电试剂在交叉偶联反应中的应用为功能化合物的制备提供了新的可能性。
Nickel-catalysed coupling of dithioacetals with silylmethylmagnesium chloride. A simple synthesis of allylsilanes
作者:Zhi-Jie Ni、Tien-Yau Luh
DOI:10.1039/c39880001011
日期:——
Allylsilanes are conveniently synthesized from the reaction of dithioacetals of ketones with trimethylsilylmethylmagnesium chloride.
烯丙基硅烷是由酮的二硫缩醛与三甲基甲硅烷基甲基镁氯化物的反应方便地合成的。
METALLOCENE SUPPORTED CATALYST AND METHOD FOR PREPARING POLYOLEFIN USING THE SAME
申请人:LG CHEM, LTD.
公开号:US20180079841A1
公开(公告)日:2018-03-22
The present disclosure relates to a novel metallocene supported catalyst, and a method for preparing a polyolefin using the same. The metallocene supported catalyst according to the present disclosure exhibits a high polymerization activity even when the metallocene compound is supported on a support, thereby showing an excellent activity and preparing a polyolefin having a high molecular weight.
申请人:LG CHEM, LTD. 주식회사 엘지화학(120010134563) Corp. No ▼ 110111-2207995BRN ▼107-81-98139
公开号:KR20150066484A
公开(公告)日:2015-06-16
본 발명은 신규한 메탈로센 화합물에 관한 것이다. 본 발명에 따른 메탈로센 화합물은 올레핀계 중합체의 제조 시 사용할 수 있고, 활성이 우수하며, 구조적, 전기적 입체장애 효과로 인하여 유사한 구조의 촉매 조성물을 사용할 때에 비하여 상대적으로 낮은 분자량의 올레핀계 중합체를 효과적으로 제조할 수 있다.
A new access to allyl silanes by the Ni and Pd catalysed cross-coupling reactions of vinyl selenides and trimethylsilylmethylmagnesium chloride (DME/Rfx/65–83 % yield) is reported.