Process for the production of living radical polymers and polymers
申请人:Yamago Shigeru
公开号:US20060135711A1
公开(公告)日:2006-06-22
A process for producing a living radical polymer characterized in that a vinyl monomer is polymerized with use of an organotellurium compound represented by the formula (1) and an azo type polymerization initiator, and the living radical polymer obtainable by the process
wherein R
1
is C
1
-C
8
alkyl, aryl, substituted aryl or an aromatic heterocyclic group, R
2
and R
3
are each a hydrogen atom or C
1
-C
8
alkyl, and R
4
is aryl, substituted aryl, an aromatic heterocyclic group, acyl, oxycarbonyl or cyano.
The invention provides novel allylamines of formula I
wherein R₁ represents a naphtyl, a benzocycloalkyl or a heteroring condensed with a benzen ring, R₂, R₃ and R₄ are hydrogen or an alkyl group and R₅ is a benzyl or a phenylsilyl group, processes for their production, pharmaceutical and agricultural compositions containing them and their use as pharmaceuticals or in combatting phytopathogenic fungi.
Organic tellurium compound, process for producing the same, living radical polymerization initiator, process for producing polymer with the same, and polymer
申请人:Yamago Shigeru
公开号:US20050245714A1
公开(公告)日:2005-11-03
An organotellurium compound of the formula (1) is useful as a living radical polymerization initiator and makes possible precision control of molecular weights and molecular weight distributions under mild conditions
wherein R
1
is C
1
-C
8
alkyl, R
2
and R
3
are each a hydrogen atom or C
1
-C
8
alkyl, and R
4
is aryl, substituted aryl, aromatic heterocyclic group, hydroxycarbonyl or cyano.
Organic antimony compound, process for producing the same, living radical polymerization initiator, process for producing polymer using the same, and polymer
申请人:Yamago Shigeru
公开号:US20090299008A1
公开(公告)日:2009-12-03
An organoantimony compound represented by the formula (1), processes for producing polymers with use of the compound, and polymers
wherein R
1
and R
2
are C
1
-C
8
alkyl, aryl, substituted aryl or an aromatic heterocyclic group, R
3
and R
4
are each a hydrogen atom or C
1
-C
8
alkyl, and R
5
is aryl, substituted aryl, an aromatic heterocyclic group, oxycarbonyl or cyano.
ORGANOANTIMONY COMPOUND, PROCESS FOR PREPARING SAME, LIVING RADICAL POLYMERIZATION INITIATOR, PROCESS FOR PRODUCING POLYMER WITH USE OF SAME, AND THE POLYMER
申请人:YAMAGO Shigeru
公开号:US20110275774A1
公开(公告)日:2011-11-10
An organoantimony compound represented by the formula (1), processes for producing polymers with use of the compound, and polymers
wherein R
1
and R
2
are C
1
-C
8
alkyl, aryl, substituted aryl or an aromatic heterocyclic group, R
3
and R
4
are each a hydrogen atom or C
1
-C
8
alkyl, and R
5
is aryl, substituted aryl, an aromatic heterocyclic group, oxycarbonyl or cyano.