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Issue 10, 1994
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Preparation of poly[(1,1-dipropyl)butane-1,4-diyl], (Pr2CCH2CH2CH2)n, via regiospecific ring opening polymerisation of 3,3-dipropylcyclobutene

Abstract

A general route to 3,3-disubstituted cyclobutenes is described and 3,3-dipropylcyclobutene is subjected to ring opening metathesis polymerisation (ROMP) using the Schrock initiator, Mo([double bond, length half m-dash]CHR)([double bond, length half m-dash]NAr)(OR′)2, where R is C6H5C(Me)2-, Ar is 2,6-diisopropylphenyl and R′ is (Me)3C- to give a polymer which is completely regiospecific (HT) and stereospecific (trans); the polymer is reduced to poly[(1,1-dipropyl)butane-1,4-diyl], which shows evidence of unusual properties associated with the conformational control exerted by the quaternary centres.

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Article type: Paper
DOI: 10.1039/C39940001235
J. Chem. Soc., Chem. Commun., 1994, 1235-1236

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    Preparation of poly[(1,1-dipropyl)butane-1,4-diyl], (Pr2CCH2CH2CH2)n, via regiospecific ring opening polymerisation of 3,3-dipropylcyclobutene

    R. W. Alder, P. R. Allen and E. Khosravi, J. Chem. Soc., Chem. Commun., 1994, 1235
    DOI: 10.1039/C39940001235

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