tert-Butyldimethylsilyl chloride → Benzenemethanol, 4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-

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α-[4-(tert-Butyldimethylsilyloxymethyl)-benzyloxy][4-(tert-butyldimethylsilyloxymethyl)styrene] and α-[(tert-Butyldimethylsilyloxymethyl )-benzyloxy][3-(tert-butyldimethylsilyloxymethyl)styrene]. (Formula II, R1 =tert-butyldimethylsilyloxymethylphenyl, R2 =4-tert-butyldimethylsilyloxymethylbenzyl). Methyl 4-(hydroxymethyl)benzoate was treated with tert-butyldimethylsilyl chloride using the general procedure described in Journal of the American Chemical Society, 1972, 94, 6190. The resulting product was reduced with lithium aluminium hydride to afford 4-(tert-butyldimethylsilyloxymethyl)benzyl alcohol. This alcohol was converted into the required compound uising Method C. 1H NMR (CCl4) δ 0.08 (12H, s), 0.91 (18H, s), 4.22 (1H, d, J 2 Hz), 4.68 (5H, br s), 4.90 (2H, s), 7.1-7.6 (8H, m); MS (CH4) 483 (M+ --CH3, 52%), 133 100%).

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