摘要 |
PCT No. PCT/JP96/02756 Sec. 371 Date Apr. 14, 1998 Sec. 102(e) Date Apr. 14, 1998 PCT Filed Sep. 24, 1996 PCT Pub. No. WO97/11937 PCT Pub. Date Apr. 3, 1997A method for producing an amide derivative of the formula [XV] 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 [XV] at high yields, which includes compound [XVI] 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 [XVI] but also compounds useful as X-ray contrast media.
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