A method for producing an amide derivative of the formula \x9bXV! ##STR1## wherein each symbol is as defined in the specification, and an enantiomer thereof, a novel intermediate useful for producing said compound and a production method thereof. The production method of the present invention is extremely easy and simple as compared to the conventional methods, and enables effective production of compound \x9bXV! at high yields, which includes compound \x9bXVI! having an HIV protease inhibitory action. In addition, the novel intermediates of the present invention are extremely useful as intermediates for producing not only the aforementioned compound \x9bXVI! but also compounds useful as X-ray contrast media.
一种用于生产化合物的酰胺衍
生物的方法\x9bXV! ##STR1##其中每个符号如规范中定义的那样,以及其对映体,一种用于生产该化合物的有用的新型中间体及其生产方法。与传统方法相比,本发明的生产方法极其简单易行,并能够高产率地有效生产化合物\x9bXV!,其中包括具有HIV
蛋白酶抑制作用的化合物\x9bXVI!。此外,本发明的新型中间体对于生产不仅上述化合物\x9bXVI!而且对于作为X射线造影剂有用的化合物也是极其有用的。