Allylic Aminations with Hindered Secondary Amine Nucleophiles Catalyzed by Heterobimetallic Pd–Ti Complexes
作者:Whitney K. Walker、Diana L. Anderson、Ryjul W. Stokes、Stacey J. Smith、David J. Michaelis
DOI:10.1021/acs.orglett.5b00058
日期:2015.2.6
palladium–titanium complexes are highly effective catalysts for allylic aminations of allylic chlorides with hindered secondaryaminenucleophiles. Three titanium-containing ligands are shown to assemble active catalysts in situ and enable catalysis at room temperature. A variety of sterically bulky secondaryamines are efficiently allylated in high yields with as little as 1 mol % palladium catalyst. Piperidine and
[EN] A METHOD TO PRODUCE BORANE COMPLEXES, REAGENTS FOR THE SAME, AND USE OF THE REAGENTS<br/>[FR] PROCÉDÉ DE PRODUCTION DE COMPLEXES DE BORANE, RÉACTIFS ASSOCIÉS ET UTILISATION DES RÉACTIFS
申请人:HELSINGIN YLIOPISTO
公开号:WO2017174868A1
公开(公告)日:2017-10-12
The present invention relates to a diborane-free method for producing borane complexes, such as borane dimethyl sulfide. The method includes reacting boron trifluoride and a Lewis base with a certain tertiary amines, such as 1,2,2,6,6- pentamethylpiperidineunder hydrogen atmosphere. The invention relates also to recovery of side products produced, and reagents for use in preparation of borane complexes.
RADIATION-CURABLE POLYMERIZABLE COMPOSITION, INK COMPOSITION, INKJET RECORDING METHOD, PRINTED MATERIAL, PLANOGRAPHIC PRINTING PLATE, AND METHOD FOR FORMING PLANOGRAPHIC PRINTING PLATE
申请人:YOKOI Kazuhiro
公开号:US20080187727A1
公开(公告)日:2008-08-07
The invention provides a radiation-curable polymerizable composition of the invention having (a) a hindered amine compound having no nucleophilic moiety in a molecule, (b) a photo-acid generating agent and (c) a cationic polymerizable monomer. The invention further provides an ink composition formed of the radiation-curable polymerizable composition, a method for ink jet recording having: ejecting the ink composition onto a recording medium by using an ink jet recording apparatus and irradiating the ejected ink composition so as to cure the ink composition, and a printed material obtained thereby. The invention further provides a method for forming a planographic printing plate having: ejecting the ink composition onto a hydrophilic recording medium by using an ink jet recording apparatus; and irradiating the ejected ink composition so as to cure the ink composition for forming a hydrophobic region, and a planographic printing plate obtained thereby.
Process for preparation of N-allyl-piperidine derivatives
申请人:ENICHEM SYNTHESIS S.p.A.
公开号:EP0249145A1
公开(公告)日:1987-12-16
A process is described for the preparation of N-allyl-2,2,6,6-tetraalkyl-piperidine derivatives which involves reaction of the corresponding 2,2,6,6-tetraalkyl-piperidine with an allylic carbonate in the presence of palladium catalysts. The products which are thus obtained are useful as polymer stabilizers and chemical intermediates.
Radiation-curable polymerizable composition, ink composition, inkjet recording method, printed material, planographic printing plate, and method for forming planographic printing plate
申请人:FUJIFILM Corporation
公开号:EP1952982A1
公开(公告)日:2008-08-06
The invention provides a radiation-curable polymerizable composition of the invention having (a) a hindered amine compound having no nucleophilic moiety in a molecule, (b) a photo-acid generating agent and (c) a cationic polymerizable monomer. The invention further provides an ink composition formed of the radiation-curable polymerizable composition, a method for ink jet recording having: ejecting the ink composition onto a recording medium by using an ink jet recording apparatus and irradiating the ejected ink composition so as to cure the ink composition, and a printed material obtained thereby. The invention further provides a method for forming a planographic printing plate having: ejecting the ink composition onto a hydrophilic recording medium by using an ink jet recording apparatus; and irradiating the ejected ink composition so as to cure the ink composition for forming a hydrophobic region, and a planographic printing plate obtained thereby.