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- W2147338601 abstract "(R = Et) [13950-57-7] C17H20O2Si (MW 284.46) InChI = 1S/C17H20O2Si/c1-3-19-17(18)14-20(2,15-10-6-4-7-11-15)16-12-8-5-9-13-16/h4-13H,3,14H2,1-2H3 InChIKey = MFIAJOGCRUYZQO-UHFFFAOYSA-N (R = Me) [89266-73-9] C16H18O2Si (MW 270.43) InChI = 1S/C16H18O2Si/c1-18-16(17)13-19(2,14-9-5-3-6-10-14)15-11-7-4-8-12-15/h3-12H,13H2,1-2H3 InChIKey = PDQUXEJAGLPTDH-UHFFFAOYSA-N (R = i-Pr) [87776-13-4] C18H22O2Si (MW 298.49) InChI = 1S/C18H22O2Si/c1-15(2)20-18(19)14-21(3,16-10-6-4-7-11-16)17-12-8-5-9-13-17/h4-13,15H,14H2,1-3H3 InChIKey = BTVMSVMHNBLMQQ-UHFFFAOYSA-N (R = t-Bu) [77772-21-5] C19H24O2Si (MW 312.52) InChI = 1S/C19H24O2Si/c1-19(2,3)21-18(20)15-22(4,16-11-7-5-8-12-16)17-13-9-6-10-14-17/h5-14H,15H2,1-4H3 InChIKey = CBTKWYFEEQGNBF-UHFFFAOYSA-N (vinyl 1,1-dication synthetic equivalent in reactions with Grignard reagents;2 reagent for Peterson synthesis of α,β-unsaturated esters3) Physical Data: clear to light yellow liquids. R = Et, nD25 1.5381; R = i-Pr, nD26 1.5398; R = t-Bu, nD24 1.5324. Preparative Method: whereas the direct silylation of the lithium enolate of an ester normally results in the formation of a mixture of the α-silyl ester and the corresponding silyl ketene acetal, the same reaction with Methyldiphenylchlorosilane gives exclusively the α-methyldiphenylsilyl ester.2d,4 This direct C-silylation is the best general route to α-silyl esters. Purification: best purified by silica gel chromatography. The esters can be distilled through a suitable short path apparatus. Handling, Storage, and Precautions: the esters desilylate in acid or alkaline medium. They desilylate very slowly with water or alcohols under neutral conditions." @default.
- W2147338601 created "2016-06-24" @default.
- W2147338601 creator A5030212725 @default.
- W2147338601 date "2001-04-15" @default.
- W2147338601 modified "2023-09-25" @default.
- W2147338601 title "Ethyl (Methyldiphenylsilyl)acetate" @default.
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- W2147338601 doi "https://doi.org/10.1002/047084289x.re104m" @default.
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