General Synthetic Method for Naphthyridines and Their N-Oxides Containing Isoquinolinic Nitrogen
作者:Atsushi Numata、Yoshinori Kondo、Takao Sakamoto
DOI:10.1055/s-1999-3379
日期:1999.2
Substituted naphthyridines containing isoquinolinic nitrogen were synthesized by the reaction of o-ethynylpyridinecarbaldehydes with ammonia. The synthesis of their N-oxides was also achieved by a basic cyclization reaction of the same pyridine derivatives via the corresponding oximes.