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Molecules 2003, 8(2), 263-268; doi:10.3390/80200263
Article

Synthesis of 2-(2-R1-Hydrazino)-5-(R2-benzyl)-2-thiazolines on the Basis of Meerweins Arylation Products of Allyl Isothiocyanate

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Received: 12 July 2002 / Revised: 20 February 2003 / Accepted: 21 February 2003 / Published: 28 February 2003
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Abstract

3-Aryl-2-chloropropylisothiocyanates (1) are formed by interaction of arenediazonium chlorides with allyl isothiocyanate. Adducts 1 react with monoacylhydrazines to form 1-acyl-4-(3-aryl-2-chloropropyl)thiosemicarbazides (2a–d). Thiosemicarbazides 2a–d in the presence of bases selectively transform into 2-(2-R1-hydrazino)-5-(R2-benzyl)-2-thiazolines (3a–d).
Keywords: Arylation; allyl isothiocyanate; thiosemicarbazides; 2-thiazolines; cyclizations Arylation; allyl isothiocyanate; thiosemicarbazides; 2-thiazolines; cyclizations
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Karpyak, V.V.; Obushak, M.D.; Ganushchak, M.I. Synthesis of 2-(2-R1-Hydrazino)-5-(R2-benzyl)-2-thiazolines on the Basis of Meerweins Arylation Products of Allyl Isothiocyanate. Molecules 2003, 8, 263-268.

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