Living Polymerization of (o-(Trimethylsilyl)phenyl)acetylene Using "Small Alkoxide" Molybdenum(VI) Initiators

(o-(Trimethylsily)phenyl)acetylene (o-TM-SPA) is polymerized in a living manner by the new `small alkoxide` initiators Mo(CHCMe{sub 2}Ph)(N-1-adamantyl) [OCH(CF{sub 3}){sub 2}]{sub 2}(2,4-lutidine) (1b) and Mo(CHCMe{sub 2}-Ph)(NAr{prime})(OC{sub 6}F{sub 5}){sub 2}(quinulidine) (2; Ar{prime} = 2,6-C{...

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Veröffentlicht in:	Organometallics 1994-09, Vol.13 (9), p.3396-3398
Hauptverfasser:	Schrock, Richard R, Luo, Shifang, Zanetti, Nadia C, Fox, Harold H
Format:	Artikel
Sprache:	eng
Schlagworte:	40 CHEMISTRY ALKYNES Applied sciences AROMATICS Exact sciences and technology GAS CHROMATOGRAPHY ISOMERS MOLYBDENUM COMPLEXES Organic polymers ORGANOMETALLIC COMPOUNDS Physicochemistry of polymers PHYSICS POLYENES POLYMERIZATION Preparation, kinetics, thermodynamics, mechanism and catalysts SILICON COMPOUNDS THERMODYNAMICS
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Zusammenfassung:	(o-(Trimethylsily)phenyl)acetylene (o-TM-SPA) is polymerized in a living manner by the new `small alkoxide` initiators Mo(CHCMe{sub 2}Ph)(N-1-adamantyl) [OCH(CF{sub 3}){sub 2}]{sub 2}(2,4-lutidine) (1b) and Mo(CHCMe{sub 2}-Ph)(NAr{prime})(OC{sub 6}F{sub 5}){sub 2}(quinulidine) (2; Ar{prime} = 2,6-C{sub 6}H{sub 3}Me{sub 2}) to give low-polydispersity polyenes containing up to 100 equiv of o-TMSPA. The thermodynamically most stable form of poly(o-TMSPA) that contains
ISSN:	0276-7333 1520-6041
DOI:	10.1021/om00021a008