The asymmetric Michael addition-elimination reaction of chiral 5-(1S)-bornyloxy-3,4-dibromo-2(5H)furanones and some amines are investigated.Four new chiral bornyl amine derivatives 6a~6d are obtained.they are identif...The asymmetric Michael addition-elimination reaction of chiral 5-(1S)-bornyloxy-3,4-dibromo-2(5H)furanones and some amines are investigated.Four new chiral bornyl amine derivatives 6a~6d are obtained.they are identified by IR,1H NMR,13C NMR,HRMS and so on.It offer a new way to synthetize more chiral bornyl amine derivatives.展开更多
文摘The asymmetric Michael addition-elimination reaction of chiral 5-(1S)-bornyloxy-3,4-dibromo-2(5H)furanones and some amines are investigated.Four new chiral bornyl amine derivatives 6a~6d are obtained.they are identified by IR,1H NMR,13C NMR,HRMS and so on.It offer a new way to synthetize more chiral bornyl amine derivatives.