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Syndioselective Polymerization of Vinylnaphthalene
Author(s) -
Li Shihui,
Yan Fangbing,
Zhang Zhen,
Dou Yanli,
Zhang Wanxi,
Cui Dongmei
Publication year - 2019
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.201900061
Subject(s) - scandium , polymerization , polymer chemistry , tacticity , chemistry , stereochemistry , materials science , polymer , organic chemistry
Coordination polymerizations of 1‐vinylnaphthalene (1VN), 2‐vinylnaphthalene (2VN) and 6‐methoxy‐2‐vinylnaphthalene (MVN) are carried out at room temperature by using the half‐sandwich scandium precursor FluSiMe 3 Sc(CH 2 SiMe 3 ) 2 (THF) ( 1 ) and the constrained geometry configuration rare‐earth metal precursors FluCH 2 PyLn(CH 2 SiMe 3 ) 2 (THF) n [Flu = C 13 H 8 , Py = C 5 H 4 N; Ln = Sc ( 2a ), n = 0; Ln = Lu ( 2b ), Y( 2c ), n = 1]. Atactic poly(1VN) and perfect syndiotactic poly(2VN) and poly(MVN) are produced by precursors 2a ‐ 2c in a controlled way. Treatment of poly(MVN) with boron tribromide at −20 °C provides a syndiotactic poly(6‐hydroxy‐2‐vinylnaphthalene).