| 摘要 |
<p>A method for preparing an ester having the structure <CHEM> in which A is an acid residue; R, same or different is H, lower alkyl, aryl, or in which both R together form a ring structure and R min is H, lower alkyl or aryl. The method comprises combining a first compound having the structure <CHEM> and a second compound which is an acyl halide corresponding to A, said combinding being performed in the presence of an organic acid.</p> |
