| 摘要 |
<p>Process comprises reaction of a cpd. of formula (II): R2 is H or methyl, R3 is allyl, propargyl, cyclopropylmethyl, or thienylmethyl etc., and Y is a halogen or a readily separable anionic group, with an alcohol of general formula: R1-OH, in which R1 is an opt. branched 1-4C alkyl to give prod. of formula (I).</p> |
