Browsing Τμήμα Χημείας / Department of Chemistry by Author "White, A. J. P."
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Article
Conversion of a 1,2,3-dithiazole into a 3H-pyrrole-3-thione and a 3H-pyrrol-3-ylidenephosphorane
Koutentis, Panayiotis Andreas; Rees, C. W.; White, A. J. P.; Williams, D. J. (1998)Treatment of the readily available dicyanomethylenedithiazole 1 with excess of morpholine or triphenylphosphine gives the 3-azacyclopentadienethione (3H-pyrrole-3-thione) 5 and the 3-azacyclopentadienylphosphorane ...
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Article
Reaction of tetracyanoethylene with SCL2: New molecular rearrangements
Koutentis, Panayiotis Andreas; Rees, C. W.; White, A. J. P.; Williams, D. J. (2000)The chloride ion catalysed addition of SCl2 to TCNE gives the dicyanomethylene-1,2,6-thiadiazine 3 as major product together with two unexpected minor products, pyrimidine 4 and pyrroloimidazothiadiazine 5, whose X-ray ...
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Article
Transformation of 2-(4-chloro-5H-1,2,3-dithiazol-5-ylideneamino)-6-ethoxy-4-phenylpyridine-3,5-dicarbonitrile into 4-aminopyrido[2,3-d]pyrimidines and 2-(pyrid-2-yl)guanidines
Kalogirou, Andreas S.; Michaelidou, Sophia S.; White, A. J. P.; Koutentis, Panayiotis Andreas (2015)The reactions of 2-(4-chloro-5H-1,2,3-dithiazol-5-ylideneamino)-6-ethoxy-4-phenylpyridine-3,5-dicarbonitrile (14) with a range of primary and secondary amines are investigated. Treatment with n-BuNH2 and BnNH2 gave ...