129200-99-3Relevant academic research and scientific papers
SYNTHESIS AND CYCLOADDITION REACTIONS OF N-PHENYL-C-STYRYLMETHANOHYDRAZONYL BROMIDE
Hassaneen, Hamdi M.,Shawali, Ahmad S.,Elwan, Nehal M.
, p. 247 - 253 (2007/10/02)
N-Phenyl-C-styrylnitrilimine 4 reacts with arylidenesulphonylacetonitriles 5a-c or arylidenemalononitriles 6a-c to give exclusively 5-cyanopyrazoles 9a-c.On the other hand cycloaddition of ethyl arylidenecyanoacetate 11a,c, α-cyanoarylideneacetophenones 1
A CONVENIENT SYNTHESIS OF 3,5'-BIPYRAZOLYL DERIVATIVES VIA HYDRAZONYL HALIDES
Hassaneen, Hamdi M.,Shawali, Ahmad S.,Elwan, Nehal M.
, p. 1041 - 1047 (2007/10/02)
Cycloaddition of N-phenyl-C-cinnamonitrilimine 3 with enolates of various active methylene compounds afforded the 3-styrylpyrazole derivatives 6-10 in high yields. 3-Styrylpyrazoles 6-13 reacted with diphenylnitrilimine 20 to give corresponding 3,5'-bipyr
