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Preparation and reactions of s,s-dimethyl-n-(2,4-dinitrophenyl)sulfilimine

✍ Scribed by T. Yamamoto; Y. Harigaya; M. Okawara


Book ID
103399228
Publisher
Elsevier Science
Year
1978
Tongue
French
Weight
652 KB
Volume
34
Category
Article
ISSN
0040-4020

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One-pot reaction of acetaldehyde, KSCN and POCl3 affords 2,6dimethyl-4-isothiocyanato-1,3dioxane 4 in good yield. Compound 4 reacts with primary amines to give crystalline re/-2S,4R,6S-2,6dimethyl-4-(N'substituted thiourefdo)-1,3dioxanes 5. The obtained thioureas 5 with axial thioureido group are sp