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Acyclic Diene Metathesis (ADMET) Polymerization for Precise Synthesis of Defect-Free Conjugated Polymers with Well-Defined Chain Ends

Department of Chemistry, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo 192-0397, Japan
Department of Chemistry, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
Advanced Catalytic Transformation for Carbon Utilization (ACT-C), Japan Science and Technology Agency (JST), Saitama 332-0012, Japan
Author to whom correspondence should be addressed.
Academic Editor: Keith Hohn
Catalysts 2015, 5(2), 500-517;
Received: 1 December 2014 / Revised: 26 January 2015 / Accepted: 9 March 2015 / Published: 30 March 2015
(This article belongs to the Special Issue Feature Papers to Celebrate the Landmarks of Catalysts)
PDF [8635 KB, uploaded 30 March 2015]


This accounts introduces unique characteristics by adopting the acyclic diene metathesis (ADMET) polymerization for synthesis of conjugated polymers, poly(arylene vinylene)s, known as promising molecular electronics. The method is more suitable than the other methods in terms of atom efficiency affording defect-free, stereo-regular (exclusive trans) polymers with well-defined chain ends; the resultant polymers possess better property than those prepared by the conventional methods. The chain ends (vinyl group) in the resultant polymer prepared by ruthenium-carbene catalyst(s) can be modified by treating with molybdenum-alkylidene complex (olefin metathesis) followed by addition of various aldehyde (Wittig type cleavage), affording the end-functionalized polymers exclusively. An introduction of initiating fragment, the other conjugated segment, and one-pot synthesis of end-functionalized block copolymers, star shape polymers can be achieved by adopting this methodology. View Full-Text
Keywords: conjugated polymers; metathesis; ruthenium; molybdenum; defect-free; PFV conjugated polymers; metathesis; ruthenium; molybdenum; defect-free; PFV

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Haque, T.; Nomura, K. Acyclic Diene Metathesis (ADMET) Polymerization for Precise Synthesis of Defect-Free Conjugated Polymers with Well-Defined Chain Ends. Catalysts 2015, 5, 500-517.

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