Browsing by Subject "n (4 chloro 5h 1,2,3 dithiazol 5 ylidene) 1h pyrazol 5 amine derivative"
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Article
Synthesis of fused 1,2,4-dithiazines and 1,2,3,5-trithiazepines
(2014)Reacting ( Z)-N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)-1H-pyrazol-5-amines 5 with Et2NH and then with concd H2SO4 gives 5H-pyrazolo[3,4-e ][1,2,4]dithiazine-3-carbonitriles 7 in good yields (74-85%) and 6H-pyrazolo-[3,4 ...