ISSN:
0941-1216
Keywords:
Chemistry
;
Organic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
Cycloaddition Elimination Reactions of Phenylisocyanate with Oxo and Thiono Derivatives of Aliphatic Substituted 5-Imino-1,2,4-dithiazolidines and 3-Thiono-1,2,4-thiadiazolidines (Mustard Oil Oxides and Sulfides)5-Imino-1,2,4-dithiazolidin-3-ones 1 and-3-thiones 3 react with phenylisocyanate to afford 5-imino-1,2,4-thiadiazolidin-3-ones 6. In comparison isomeric 3-thiono-1,2,4-thiadiazolidin-5-ones 2, 5, and -5-thiones 4 yield 3-imino-1,2,4-thiadiazolidin-5-ones 8, 10, and -5-thiones 7. Thermolyses of thiadiazolidines 5 and 10 afford further 1,2,4-thiadiazolidines 9, 11. Compounds 8-11 are available also by reaction of substituted guanidines with chlorocarbonyl sulfenylchloride.
Additional Material:
2 Tab.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/prac.19923340808
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