950834-75-0Relevant academic research and scientific papers
Synthesis of diastereomeric 2,4-disubstituted pyrano[2,3-b]quinolines from 3-formyl-2-quinolones through O-C bond formation via intramolecular electrophilic cyclization
Singh, Mrityunjay K.,Chandra, Atish,Singh, Bhawana,Singh, Radhey M.
, p. 5987 - 5990 (2008/02/10)
A number of 3-homoallyl-2-quinolones have been synthesized from 3-formyl-2-quinolones by reaction with allylindium bromide in aqueous DMF. Intramolecular electrophilic cyclization of these quinolones with iodine afforded either exclusively, or predominantly, racemic cis-diastereoisomers. Nucleophilic substitution reactions at the iodomethyl group afforded a mixture of tetracyclic products and unreacted racemic trans-diastereoisomer.
