Chiral synthesis for producing 1-azabicyclo[2.2.1]heptane-3-carboxylates
申请人:MERCK SHARP & DOHME LTD.
公开号:EP0398616A2
公开(公告)日:1990-11-22
A process for preparing substantially pure enantiomers of formula (I)
where the * represents a chiral centre, x is 0 or 1, in exo-, endo- or a mixture of exo- and endo- forms; and R is hydrogen, alkyl or aralkyl, via diastereomers of formula (IIA) or (IIB):