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2011 | 9 | 1 | 126-132
Tytuł artykułu

Synthesis and NMR spectroscopic characterization of Si-substituted 1-silacyclobutene derivatives

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Hydroboration of trialkyn-1-yl(organo)silanes with one equivalent and two equivalents of 9-borabicyclo[3.3.1]nonane, 9-BBN afford dialkyn-1-ylsilanes and alkyn-1-ylsilanes, respectively. The alkyn-1-ylsilane derivatives are stable at room temperature and can be store under dry argon for prolong period of time. These compounds are attractive materials for further rearrangements to afford novel 1-silacyclobutene derivatives bearing Si-alkenyl or Si-alkynyl functionalities. The hydroboration reaction is well controlled by the Si-R1 function, i.e., the starting silanes with R1 = Ph selectively afford hydroboration of one Si-C≡C bond with one equivalent of 9-BBN, leaving the other two functionalities untouched. Under mild reaction conditions (25°C), the starting silanes with R1 = Me lead to mixture containing dialkyn-1-ylsilane, alkyn-1-ylsilane and their respective 1-silacyclobutene derivatives. All new compounds are sensitive towards air and moisture and were studied by multinuclear magnetic resonance spectroscopy (1H, 13C, 11B, 29Si NMR) in solution.
Wydawca

Czasopismo
Rocznik
Tom
9
Numer
1
Strony
126-132
Opis fizyczny
Daty
wydano
2011-02-01
online
2010-12-16
Twórcy
  • Anorganische Chemie II, Universität Bayreuth, D-95440, Bayreuth, Germany
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-010-0122-z
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