Aluminium lithium hydride → HCID 57890054, compound

Participants

Reaction Steps

To a 0° C. solution of 5-(1-{4-[2-(tert-Butyl-dimethyl-silanyloxy)-3,3-dimethyl-butoxy]-3-methyl-phenyl}-1-ethyl-propyl)-3-methyl-thiophene-2-carboxylic acid methyl ester (0.94 g, 1.71 mmol) and THF (50 mL)is added LAH (71 mg, 1.89 mmol). The mixture is stirred for 10 m, warmed to RT and stirred for 2 h. The reaction is quenched with H2O (70 ul), 15% NaOH (70 uL) and H2O (210 uL) and diluted with EtOAc (50 mL). The mixture is filtered through diatomaceous earth and concentrated to give the title compound (0.89 g, 1.72 mmol, 100%). 1H NMR (CDC3), B 0.07 (s, 3H), 0.12 (s, 3H), 0.72 (t, J=7.4 Hz, 6H), 0.91 (s, 9H), 0.98 (s, 9H), 2.01-2.14 (m, 4H), 2.19 (s, 3H), 2.21 (s, 3H), 3.68 (dd, J=5.3, 3.4 Hz, 1H), 3.86 (dd, J=9.0, 5.3 Hz, 1H), 3.98 (dd, J=9.0, 3.4 Hz, 1H), 4.67 (s, 22H), 6.54 (s, 1H), 6.67 (d, J=8.1 Hz, 1H), 7.00-7.06 (m, 2H). LC/MS (m/z): calcd for C30H50O3SSi M+: 518.9; found: 518.0.

Provenance & Evidence