Abstract
The regioselective synthesis of 2,3,4,5‐tetrahydro‐1H‐1,4‐benzodiazepin‐5‐ones by the Schmidt rearrangement of 1,2,3,4‐tetrahydro‐4‐quinolones with oxygen substituents at C‐8 is described.
Acknowledgment
The authors are grateful to FONDECYT for the financial support of this work.
Notes
aThis compound was obtained previously by reaction of o‐anisidine with propiolactone, see reference.Citation12