VERFAHREN ZUR HERSTELLUNG VON (1R,4S)-2-AZABICYCLO 2.2.1 HEPT-5-EN-3-ON-DERIVATEN
申请人:Lonza AG
公开号:EP1095160B1
公开(公告)日:2004-01-28
Method for preparing (1R,4S)-2-azabicyclo[2.2.1]hept-5-ene-3-one derivatives
申请人:——
公开号:US20040167351A1
公开(公告)日:2004-08-26
A biotechnological method is described for preparing compounds of the general formulas
1
wherein R
1
is acyl or acyloxy and R
2
is a hydrogen atom or C
1-10
alkyl, comprising the conversion of a lactam of the general formula
2
by means of a hydrolase in the presence of a nucleophile and in the presence of a base in a constant pH range.
Also described is the subsequent conversion of the compound of general formula I into the optically active 1-amino-4-(hydroxymethyl)-2-cyclopentene of the formula
3