Silicon–carbon unsaturated compounds. 62. Reactions of silenes produced thermally from pivaloyl-and adamantoyltris (trimethylsilyl) silane with mono (silyl) …
A Naka, M Ishikawa
Index: Naka, Akinobu; Ishikawa, Mitsuo Journal of Organometallic Chemistry, 2000 , vol. 611, # 1-2 p. 248 - 255
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Abstract
Thermolysis of pivaloyltris (trimethylsilyl) silane (1a) with tert-butyldimethylsilylacetylene at 120° C gave 2-tert-butyl-3-tert-butyldimethylsilyl-2-trimethylsiloxy-1, 1-bis (trimethylsilyl)-1- silacyclobut-3-ene (2a). Similar treatment of adamantoyltris (trimethylsilyl) silane (1b) at 120° C produced 2-adamantyl-3-tert-butyldimethylsilyl-2-trimethylsiloxy-1, 1-bis (trimethylsilyl)-1- silacyclobut-3-ene (2b). Thermolysis of 1a with tert-butyldimethylsilylacetylene at 160° C, ...
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