Synthesis of vinylsilanes by silyl-cupration of acetylenes using tert-butyldiphenylsilyl-cuprate reagents
The tert-butyldiphenylsilyl-cuprate 2 reacts with acetylenes 1 and 5-10 to give vinyl-cuprates 3 and 11, which react with electrophiles to give the vinylsilanes 4 and 12-17 carrying the relatively hindered and hence unreactive tert-butyldiphenylsilyl group.In comparative tests, the tert-butyldiphenylsilyl group shows some properties that are usefully different from those of relatively unhindered silyl groups and others that are similar.
Barbero, Asuncion,Cuadrado, Purificacion,Fleming, Ian,Gonzalez, Ana M.,Pulido, Francisco,Sanchez, Alicia
p. 1525 - 1532
(2007/10/02)
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