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Synthesis and reactions of poly(ethynyldialkylsilanes)

A nucleophilic cleavage reaction of 2,2,5,5,8,8-hexamethyl-2,5,8-trisilanona-3,6-diyne, I, with several bases, occurs rapidly at room temperature in both polar and non-polar solvents. An attack occurs exclusively at the central silicon regardless of the steric requirements of the bases (alkyllithium). The major products from the reaction of I with tert-butyllithium followed by hydrolysis were 2,2,5,5,6,6-hexamethyl-2,5-disilahepta-3-yne, II, and 2,2,5,5-tetramethyl-2,5-disilahexa-3-yne, VI.

Identiferoai:union.ndltd.org:unt.edu/info:ark/67531/metadc332501
Date12 1900
CreatorsJo, Kyo Dong
ContributorsJones, Paul R.
PublisherUniversity of North Texas
Source SetsUniversity of North Texas
LanguageEnglish
Detected LanguageEnglish
TypeThesis or Dissertation
FormatText
RightsPublic, Jo, Kyo Dong, Copyright, Copyright is held by the author, unless otherwise noted. All rights reserved.

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