121007-08-7Relevant academic research and scientific papers
Stereoselective synthesis of dihydrothiadiazinoazines and dihydrothiadiazinoazoles and their pyrolytic desulfurization ring contraction
Al-Etaibi, Alya,John, Elizabeth,Ibrahim, Maher R.,Al-Awadi, Nouria A.,Ibrahim, Yehia A.
, p. 6259 - 6274 (2011/09/19)
Intramolecular base catalyzed C-C bond formation led to exclusive stereoselective syntheses of trans-6,7-dihydro-5H-[1,2,4]triazolo[3,4-b][1,3,4] thiadiazines, trans-7,8-dihydro-6H-[1,2,4]triazino[3,4-b][1,3,4]thiadiazin-4- ones, and trans-3,4-dihydro-2H-
Pyrolytic desulfurization ring contraction of condensed thiadiazines as a general route towards pyrazoloazines and pyrazoloazoles with a bridgehead (ring junction) nitrogen atom
Ibrahim, Yehia A.,Al-Awadi, Nouria A.,John, Elizabeth
, p. 10365 - 10374 (2008/12/22)
Pyrolytic conversion of [1,2,4]triazino[3,4-b][1,3,4]thiadiazin-4-ones, [1,3,4]thiadiazino[2,3-b]quinazolin-10-ones and [1,2,4]triazolo[3,4-b][1,3,4]thiadiazines into their corresponding pyrazolo[5,1-c][1,2,4]triazin-4-ones, pyrazolo[4,3-b]quinazolin-9-on
Reaction of 2-Aminobenzoylhydrazines with Hexan-2,5-dione and β-Keto Esters: Formation of Pyridazine, Pyrrole and Pyrazoloquinazolinone Derivatives
Reddy, P. S. N.,Reddy, P. Pratap
, p. 342 - 345 (2007/10/02)
The reactions of 2-aminobenzoylhydrazines (1) with hexan-2,5-dione, ethyl acetoacetate and ethyl benzoylacetate are reported.With hexan-2,5-dione, 1-(2'-amino/alkylaminobenzoyl)-3,6-dimethyl-1,2-dihydropyridazines (2) and/or 1-(2'-amino/alkylaminobenzoylamino)-2,5-dimethylpyrroles (3) are formed depending on the experimental conditions.With ethyl acetoacetate and ethyl benzoylacetate, the corresponding 2,4-disubstituted-9-oxo-pyrazoloquinazolines (10 and 11) are obtained as the final products.
