The present invention is directed to a stereospecific synthesis of (S)-vinyl-GABA, (S)-allenyl-GABA, (S)-5- allenylpyrrolidinone, and (S)-5-vinyl-pyrrolidinone. Another aspect is directed to a class of 1,5-disubstituted- pyrrolidinone intermediates as well as a new class of chiral lactic acid derivatives.
本发明涉及(S)-
乙烯基-
GABA、(S)-异
戊烯基-
GABA、(S)-5-异
戊烯基
吡咯烷酮和(S)-5-
乙烯基吡咯烷酮的立体特异性合成。另一个方面涉及一类 1,5-二取代-
吡咯烷酮中间体以及一类新的手性
乳酸衍
生物。