Dianions of alkanesulfonamides add to nitriles, and the resultant imine dianions are cyclized
with a carbonyl equivalent to afford the known 2H-1, 2, 4-thiadiazin-3-(4H)-one 1, 1-dioxide …

Condensation of 3, 4, 4, 5-tetrachloro-4 H-1, 2, 6-thiadiazine with a range of anilines gave
22 N-aryl-3, 5-dichloro-4 H-1, 2, 6-thiadiazin-4-imines in 43–96% yields. The scope and …

Ar AsA R’ Page 1 188 J. CHEM. SOC., CHEM. COMMUN., 1982 A Facile Synthesis of A*-I ,3,4-Thiadiazolines
Unsubstituted at the 4Position D. Michael Evans and David R. Taylor Chemistry Department …

The base-free TiCl 4-mediated condensation of 3, 5-disubstituted-4 H-1, 2, 6-thiadiazin-4-
ones 8 with malononitrile affords 20 difficult to access (3, 5-disubstituted-4 H-1, 2, 6 …

Novel 2-carboxamide-substituted 1, 3, 4-thiadiazines and 5, 6-dihydro-4 H-1, 3, 4-thiadiazin-
5-ols were synthesized by the reaction of oxamic acid thiohydrazides with phenacyl …

3, 5-Diaryl-4H-1, 2, 6-thiadiazin-4-ones react with NaBH4 to give the 3, 5-diaryl-4H-1, 2, 6-
thiadiazin-4-ols and with MeLi to give 4-methyl-3, 5-diaryl-4H-1, 2, 6-thiadiazin-4-ols. The …

A simple method for the preparation of 4, 4-disubstituted-3, 4-dihydro-1H-2, 1, 3-
benzothiadiazine 2, 2-dioxides is described. Treatment of N-sulfonyl ketimines 2 and 3 with …

Alkyl and aryl N-substituted 1, 2, 5-thiadiazolidine and 1, 2, 6-thiadiazinane 1, 1-dioxides 6
were synthesized in good yields from the reaction of sulfuryl chloride with 2 …

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A facile efficient synthesis of novel 3-aryl-5, 6-dihydro-1, 4, 2-oxathiazin-6-ols from the
reaction of (E)-N-hydroxyarylimidoyl chlorides and 1, 4-dithiane-2, 5-diol in the presence of …