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Note | Regular issue | Vol 45, No. 12, 1997, pp.2471-2474
Published online, 1st January, 1970
DOI: 10.3987/COM-97-7982
A New Method for the Synthesis of 5- and 6-Membered 2-Thioxo-1,3-O,N-heterocycles

Ge Li* and Takahito Ohtani

*Fukui Research Laboratory, Rengo co., Ltd., 10-8-1 Jiyugaoka Kanazu-Cho, Sakai-Gun, Fukui 919-06, Japan


Various 1,3-oxazolidine-2-thiones and tetrahydro-1,3-oxazine-2-thiones are prepared by reacting hydrogen peroxide with a mixture of amino alcohols, carbon disulfide and base in a water-miscible oragnic solvent. The yields of the heterocyclic products are in the range of 80-100%, considerably higher than those reported in literatures.