
Tetrahedron p. 7775 - 7786 (1990)
Update date:2022-08-04
Topics:
Lewin
Poisson
Schaeffer
Volland
16-chloro-1-dehydrovincadifformine 5b gives by a Polonovski reaction the 5-cyano derivative 6. Repeating this reaction on (bd6) leads to different compounds according to experimental conditions : (CH3CO)2O affords the lactam 8 with u
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