Living radical polymerization promoter
AssigneeOtsuka Chemical Co., Ltd.
InventorsShigeru Yamago, Kunihiko Sugoh, Hikaru Umemoto
Life of this patent
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Abstract
An organobismuth compound represented by the formula (1) and a method for preparing a living radical polymer using the organobismuth compound. In the formula (1), R1 to R3 each represent a C1-C8 alkyl group, an aryl group, a substituted aryl group, an aromatic heterocyclic group or a group represented by the formula (2) where at least one of R1 to R3 is a group represented by the formula (2), wherein R4 and R5 each represent a C3-C8 alkyl group, an aryl group or a substituted aryl group, and R6 to R8 each represent a hydrogen atom, a C1-C8 alkyl group, an aryl group or a substituted aryl group.
Claims9
An organobismuth compound represented by the formula (1)
- wherein R1to R3 each represent a C1-C8 alkyl group, an aryl group, a substituted aryl group, an aromatic heterocyclic group or a group represented by the formula (2) where at least one of R1and R2 is a group represented by the following formula (2)
- wherein R4 and R5 each represent a C3-C8 alkyl group, an aryl group or a substituted aryl group, and R6 to R8 each represent a hydrogen atom, a C1-C8 alkyl group, an aryl group or a substituted aryl group, and R3 is a group other than the at least one of R1 and R2.
Dependencies are inferred from the claim text.