Reaction of phosgene with the tricycle related to the minor base of phenylalanine transfer ribonucleic acids

Article abstract of DOI:10.1248/cpb.50.1584

1-Benzylwye (8) underwent electrophilic substitution at the 7-position in the presence of phosgene and pyridine in tetrahydrofuran (THF) to afford the 1,4-dihydropyridines (11, 10, and 14) together with the carboxylic acid 6 and its methyl ester 2 after s