| 摘要 |
PROBLEM TO BE SOLVED: To provide a new titanium compound usable for a general organic synthetic reaction such as a carbon-carbon bond-forming reaction or the like as a polymer-immobilized catalyst. SOLUTION: The titanium compound is a polystyrene derivative having a styrene derivative unit represented by general formula [wherein, R<SP>1</SP>, R<SP>2</SP>and R<SP>3</SP>are each a divalent hydrocarbon group; X is a halogen atom, an alkoxy group or a hydrocarbon group; Y and Z are each a divalent linking group comprising O, S, NQ (Q is H or an alkyl group), SO, SO<SB>2</SB>, an ester group, an amide group or a carbonyl group; and p, q, r, s and t are each 0 or 1]. COPYRIGHT: (C)2005,JPO&NCIPI
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