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First Disyndiotactic Polymer from a 1,4-Disubstituted Butadiene by Alternate Molecular Stacking in the Crystalline State

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posted on 31.07.2002, 00:00 by Toshihiro Tanaka, Akikazu Matsumoto
We report the first synthesis of a disyndiotactic polymer through topochemical polymerization using di(4-methoxybenzyl)muconate as the 1,3-diene dicarboxylate monomer. It provides a tritactic polymer under photoirradiation in the crystalline state, as a result of the alternate molecular stacking in a column formed in the crystals with aid of weak hydrogen bonds such as CH/π and CH···O intermolecular interactions.