Ja. Soderquist et Ei. Miranda, TRIISOPROPYLSILYLDIAZOMETHANE - A NEW STABLE REAGENT FOR ESTERIFICATION, Tetrahedron letters, 34(31), 1993, pp. 4905-4908
Triisopropylsilyldiazomethane (3), easily prepared in 96% yield from f
ormyltriisopropylsilane tosythydrazone (2), undergoes smooth reaction
with representative carboxylic acids to produce excellent yields of th
e corresponding silylmethyl esters (4).