cheminform abstract: an efficient synthesis of 1,2-dithiolanes and 1,2,4-trithiolanes by the...
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2001 dithiole derivatives
dithiole derivativesR 0175
12 - 124An Efficient Synthesis of 1,2-Dithiolanes and 1,2,4-Trithiolanes bythe Reaction of Phosphorus Ylides with Elemental Sulfur. —Diarylmethylenephosphoranes (I) react with elemental sulfur and dienophilessuch as (II) and (IV) to yield sulfur heterocycles (III) and (V). — (OKUMA,KENTARO; KOJIMA, KAZUKI; SHIBATA, SHINJI; Heterocycles 53 (2000)12, 2753-2758; Dep. Chem., Fac. Sci., Fukuoka Univ., Jonan, Fukuoka 814-01,Japan; EN)
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