Post-metallocene complexes based on bis(naphtoxy) pyridine and bis(naphtoxy) thiophene ligands for the polymerisation of ethylene and alpha-olefins
申请人:Total Petrochemicals Research Feluy
公开号:EP2093229A1
公开(公告)日:2009-08-26
The present invention relates to the field of group 4 post-metallocene complexes based on sterically encumbered bis(naphtoxy)pyridine and bis(naphtoxy)thiophene ligands. It also relates to the use of such post-metallocene complexes in the polymerisation of ethylene and alpha-olefins.
Mild cleavage of methoxymethyl (MOM) ethers with trimethylsilyl bromide
作者:Stephen Hanessian、Daniel Delorme、Yves Dufresne
DOI:10.1016/s0040-4039(01)81219-3
日期:1984.1
Trimethylsilyl bromide is an effective reagent for the deprotection of methoxymethyl ethers under mild conditions.
三甲基甲硅烷基溴化物是在温和条件下对甲氧基甲基醚进行脱保护的有效试剂。
[EN] KRAS G12C INHIBITORS<br/>[FR] INHIBITEURS DE KRAS G12C
申请人:MIRATI THERAPEUTICS INC
公开号:WO2017201161A1
公开(公告)日:2017-11-23
The present invention relates to compounds that inhibit KRas G12C. In particular, the present invention relates to compounds that irreversibly inhibit the activity of KRas G12C, pharmaceutical compositions comprising the compounds and methods of use therefor.
Nickel-catalyzed reductive homocoupling of aryl ethers has been achieved with Mg(anthracene)(thf)3 as a readily available low-cost reductant. DFT calculations provided a rationale for the specific efficiency of the diorganomagnesium-type two-electron reducing agent. The calculations show that the dianionic anthracene-9,10-diyl ligand reduces the two aryl ether substrates, resulting in the homocoupling