68100-95-8Relevant academic research and scientific papers
Hetericyclic Systems. Part 14. Condensation Reactions of 2-(4-Oxo-4H-1-benzopyran-3-yl)-1,3-dioxolane
Ghosh, Chandra Kanta,Bandyopadhyay, Chandrakanta,Morin, Christophe
, p. 1989 - 1994 (2007/10/02)
Nitrogen nucleophiles under 1,4-addition with the title acetal (4; R=H, Me, and Cl) to give an intermediate that ultimately produces in most cases the same product as is obtained from the corresponding aldehyde (3) under similar conditions.Thus, compound
Heterocyclic Systems: Part XIII - Reactions of 3-N,N-Dimethylhydrazonomethyl-, Oximomethyl- and Cyano-chromones with Nucleophiles Containing Nitrogen
Ghosh, Chandra Kanta,Tewari, Nimai,Bandyopadhyay, Chandrakanta
, p. 1200 - 1204 (2007/10/02)
Reactions of the title chromones (3, 9, 10) with nitrogen containing nucleophiles (5-7) have been studied.When treated with phenylhydrazine, the hydrazone (9) produces the same pyrazole 17 (R'=Ph) as obtained by reacting chromone-3-carboxaldehyde (8) with
