✍ Scribed by Xu Huang; Jiaxi Xu
No coin nor oath required. For personal study only.
2a,4‐Disubstituted 2‐phenoxy‐2,2a,3,4‐tetrahydro‐1H‐azeto[2,1‐d][1,5]benzothiazepin‐1‐ones and 5‐benzoyl‐2‐phenoxy‐2a,3,4,5‐tetrahydro‐azeto[1, 2‐a][1,5]benzodiazepin‐1(2H)‐ones were synthesized in moderate to good yields by stereospecific Staudinger cycloaddition reactions of 2,4‐disubstituted 2,3‐dihydro‐1,5‐benzothiazepines and 1‐benzoyl‐2,3‐dihydro‐1H‐1,5‐benzodiazepines, respectively, with phenoxy acetyl chloride in the presence of triethylamine in anhydrous benzene. © 2003 Wiley Periodicals, Inc. Heteroatom Chem 14:564–569, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.10196
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## Abstract 2a,4‐Disubstituted 2‐phthalimido‐2a,3,4,5‐tetrahydro‐1H‐azeto[2,1‐d][1,5]benzothiazepin‐1‐ones were synthesized by cycloaddition reactions of 2,4‐disubstituted 2,3‐dihydro‐1,5‐benzothiazepines and phthalimidoketene, generated from phthalimidoacetyl chloride, in the presence of triethyla