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Paper | Regular issue | Vol 36, No. 8, 1993, pp.1783-1789
Published online, 1st January, 1970
DOI: 10.3987/COM-93-6348
A Facile One-Pot Preparation of 2,3-Dihydro-1,4-benzodithiins and 2,3-Dihydro-1,4-benzoxathiins

Hiroyuki Tani,* Shunsuke Irie, Kazunori Masumoto, and Noboru Ono*

*Advanced Instrumentation Center for Chemical Analysis, Ehime University,Bunkyo-cho 2-5, Matsuyama 790-8577, Japan

Abstract

2,3-Dihydro-1,4-benzodithiines and 2,3-dihydro-1,4-benzoxathiines were prepared in good yields by a one-pot procedure from the reaction of cyclohexanone derivatives with ethane-1,2-dithiol or 2-mercaptoethanol using N-bromosuccinimide in dichloromethane at 0 °C