Synthesis of (S,S)-3-prolylazetidin-2-one: A key component in the synthesis of an HIV gp120 constrained immunogen
作者:Maher N. Qabar、Michael Kahn
DOI:10.1016/0040-4039(95)02340-2
日期:1996.2
The title compound (2) was synthesized in 5 steps from D-serine. In the absence of protection of the carboxyl group, the β-lactam nucleus underwent a facile rearrangement to provide the undesired diazabicyclo[4.3.0] nonane compound, under acidic or basic conditions.