Synthesis of various boron-containing disilanes View Full Text


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Article Info

DATE

2005-05

AUTHORS

C. Lehnert, K. Trommer, G. Roewer

ABSTRACT

The stepwise reaction of the Si-Cl functions of 1,1,2,2-tetrachlorodimethyldisilane with RMgBr using the diethylamino unit as protecting group enables the synthesis of disilanes Si2Me2RxCl4−x, bearing one to four olefinic substituents (R = vinyl, α-allyl and ethynyl). The catalyst free hydroboration of such molecules represents a convenient way to prepare boron containing chlorodisilanes. 9-BBN exhibits a very high regioselectivity in the hydroboration of vinyl-, allyl-or ethynyldisilanes. In case of the ethynyl group, the hydroboration of 1,1,2-trichloro-2-ethynyldimethyldisilane and 1,2-dichloro-1,2-diethynyldimethyldisilane by the twofold addition of the 9-BBN in two separate steps was confirmed by NMR spectroscopy. More... »

PAGES

255-264

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s11201-005-3510-z

DOI

http://dx.doi.org/10.1007/s11201-005-3510-z

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1053723957


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