865352-28-9Relevant academic research and scientific papers
Synthesis of 2,2′-diaminobischromones using a modified procedure for the rearrangement of 5-(2-hydroxyphenyl)isoxazole to 2-aminochromone
Ghosh, Tarun,Saha, Satyajit,Bandyopadhyay, Chandrakanta
, p. 1845 - 1849 (2005)
A modified procedure for the rearrangement of 5-(2-hydroxyphenyl)isoxazoles 6a-e to 2-aminochromones 8a-e was developed and this procedure was utilised in the synthesis of hitherto unreported bischromones 3a-c. The isoxazoles 6a-e were prepared regioselec
Synthesis of 6,6′-[(α,ω-alkanediol)bisoxy]bis[4-oxo-4H-1- benzopyran-3-carbaldehyde] and its reaction with methanol under different conditions
Ghosh, Tarun,Debnath, Pradipta,Bandyopadhyay, Chandrakanta
, p. 822 - 825 (2007/10/03)
Synthesis of hitherto unreported bischromone 6 has been accomplished and their reactions with methanol under neutral, acidic and basic condition are reported.
Reactions of 2-amino-4H-1-benzopyran-4-one with 4-Oxo-4H-1-benzopyran-3- carbaldehydes
Ghosh, Tarun,Bandyopadhyay, Chandrakanta
, p. 1431 - 1434 (2007/10/03)
The title aldehyde 1 reacts smoothly with the enamine moiety of 2-aminochromone 2 to produce hitherto unreported 3-(2-hydroxybenzoyl)-5H-1- benzopyrano[2,3-b]pyridin-5-one (azaxanthone) 5. This reaction has been extended for the synthesis of bisazaxanthon
