Ligand-Free Palladium-Catalyzed Aerobic Oxidative Coupling of Carboxylic Anhydrides with Arylboronic Acids
作者:Weiyan Yin、Haifeng He、Yani Zhang、Tong Long
DOI:10.1002/asia.201402314
日期:2014.9
We report a new, effective and environmentally friendly protocol for selective aerobic oxidativecoupling of arylboronicacids with carboxylic anhydrides in the presence of ligand‐free palladium catalyst. The aryl benzoates are obtained in good to excellent yields.
Pd-catalysed decarboxylative Suzuki reactions and orthogonal Cu-based O-arylation of aromatic carboxylic acids
作者:Jian-Jun Dai、Jing-Hui Liu、Dong-Fen Luo、Lei Liu
DOI:10.1039/c0cc04104a
日期:——
Pd-catalysed decarboxylative Suzuki reactions and orthogonal Cu-based O-arylation reactions of aromatic carboxylic acids are reported. The new reactions may provide alternative routes for the synthesis of some biaryls and aromatic carboxylic esters.
COMBINED INTERNAL DONOR SYSTEM FOR ZIEGLER-NATTA POLYOLEFIN CATALYSTS AND METHODS OF MAKING AND USING SAME
申请人:BASF Corporation
公开号:US20160046740A1
公开(公告)日:2016-02-18
Solid catalyst components are disclosed including titanium, magnesium, halogen and an internal electron donor compound having a combination of internal electron donor compounds including at least one 1,8-naphthyl diester and at least one secondary internal donor compound selected from alkyl 2-alkoxy-1-naphthoates, alkyl 2-alkoxybenzoates, alkyl 2,6-dialkoxybenzoates, (2-alkoxyphenyl)(pyrrolidin-1-yl)alkanones, dialkyl phthalates, alkyl alkionates, and dialkyl cyclohexane-1,2-dicarboxylates, and catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. Further, methods of making the catalyst components and the catalyst systems are disclosed as well as methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.
US9738736B2
申请人:——
公开号:US9738736B2
公开(公告)日:2017-08-22
[EN] COMBINED INTERNAL DONOR SYSTEM FOR ZIEGLER-NATTA POLYOLEFIN CATALYSTS AND METHODS OF MAKING AND USING SAME<br/>[FR] SYSTÈME COMBINÉ DE DONNEUR INTERNE POUR DES CATALYSEURS POLYOLÉFINIQUES DE ZIEGLER-NATTA ET LEURS PROCÉDÉS DE FABRICATION ET D'UTILISATION
申请人:BASF CORP
公开号:WO2016025194A1
公开(公告)日:2016-02-18
Solid catalyst components are disclosed including titanium, magnesium, halogen and an internal electron donor compound having a combination of internal electron donor compounds including at least one 1,8-naphthyl di ester and at least one secondary internal donor compound selected from alkyl 2-alkoxy-l -naphthoates, alkyl 2-alkoxybenzoates, alkyl 2,6- dialkoxybenzoates, (2-alkoxyphenyl)(pyrrolidin-l -yl)alkanones, dialkyl phthalates, alkyl alkionates, and dialkyl cyclohexane-l,2-dicarboxylates, and catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. Further, methods of making the catalyst components and the catalyst systems are disclosed as well as methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.