Heterocycles p. 2565 - 2574 (1995)
Update date:2022-08-16
Topics:
Hirota, Takashi
Matsushita, Tetsuo
Sasaki, Kenji
Kashino, Setsuo
An synthesis of 5-amino-1,2-dihydrofuro<3,2-f><1,7>naphthyridine (6) from 3-(3-cyanopropoxy)pyridine-2-carbonitrile (5) is described.Compound (6) was converted to mother skeleton (12).Treatment of 6 with conc. hydrochloric acid gave new spiroheterocycle (7).
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