Synthesis of 1,2,3,5-Tetrahydro-4,1-benzothiazepine-2-thione Derivatives via Cyclization of 2-[(2-Isothiocyanatophenyl)methylsulfanyl]acetates with Sodium Hydride

Kobayashi, Kazuhiro; Enmi, Yoshinori; Iitsuka, Daisuke; Kanbe, Yuuki; Konishi, Hisatoshi

doi:10.3987/com-11-12283

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2012

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ChemInform Abstract: Synthesis of 1,2,3,5‐Tetrahydro‐4,1‐benzothiazepine‐2‐thione Derivatives via Cyclization of 2‐[(2‐Isothiocyanatophenyl)methylsulfanyl]acetates with Sodium Hydride.

et al. 2012

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Synthesis of 1,2,3,5-Tetrahydro-4,1-benzothiazepine-2-thione Derivatives via Cyclization of 2-[(2-Isothiocyanatophenyl)methylsulfanyl]acetates with SodiumHydride. -A convenient method for the synthesis of the title compounds (II), (IV), and (V) from readily available starting materials is presented. The use of EtBr instead of EtI (IIIb) in the synthesis of the compound (IVb) fails. The reaction of the (IIIb) with (Ia) to prepare the ethyl analogue of (V) also fails. -(KOBAYASHI*, K.; ENMI, Y.; IITSUKA, D.; KANBE, Y.; KONISHI, H.; Heterocycles 83 (2011 Heterocycles 83 ( ) 9, 2127 Heterocycles 83 ( -2135 Dep. Chem. Biotechnol., Grad. Sch. Eng.,

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