Alkylation of (As, Sb, Bi)Cl3: formation of [(As, Sb, Bi)RCl2], (E)-[BiR(CH2CHC)(SiMe3)(C5H4N-2)] and 2-CH(SiMe3)2C5H4N-5-R [R = C(SiMe3)2C5H4N-2]
- 1 January 1991
- journal article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 21,p. 1560-1562
- https://doi.org/10.1039/c39910001560
Abstract
Monomeric alkyldichloro-antimony(III) and –bismuth(III) compounds [MRCl2], R = C(SiMe3)2C5H4N-2′, and the thermally unstable arsenic(III) analogue are accessible from the appropriate group 15 trichloride and LiR in diethyl ether; treating BiCl3 with two and three equivalents of LiR in tetrahydrofuran (THF) yields (E)-[BiR(CH2CHC)(SiMe3)(C5H4N-2)] where the C2 insertion–SiMe3 elimination fragment originates from THF, and the ‘head-to-tail’ alkyl coupled species, 2-CH(SiMe3)2C5H4N-5-R.Keywords
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