Serendipitous synthesis of a sila-. alpha.-pyran-convenient, penultimate precursor to dimethylsilanone
TJ Barton, WD Wulff
Index: Barton,T.J.; Wulff,W.D. Journal of the American Chemical Society, 1979 , vol. 101, p. 2735 - 2736
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Citation Number: 23
Abstract
(Z, Z)-1-pentamethyldisilanyl-4-methoxy-1, 3-butadiene (5) in 37% yield. 4 Our hope was that thermal rearrangement of 5 to silene 6 would be followed by a elimination of trimethylmethoxysilane to produce carbene 7 which would cyclize to the desired silole 3. However, flow pyrolysis of 5 (760 OC at Torr) afforded in 52% yield a product which resulted from the loss of the elements of tetramethyl~ ilane~ from 5. This product was identified as ...
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