An Efficient Procedure for the Preparati
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Tóth, Gábor ;Lévai, Albert ;Balázs, Barbara ;Simon, András
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Article
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1997
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John Wiley and Sons
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English
⚖ 351 KB
## Abstract Reaction of 2,4‐diaryl‐2,3‐dihydro‐1,5‐benzothiazepines 1 with a mixture of acetic anhydride and pyridine afforded 3‐acetyl‐2,3‐dihydrobenzothiazoles 2 as sole products in good yields. Stereochemistry and the hindered rotation of the amide group were studied by means of NMR spectroscopy