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
描述了一种
生物技术方法,用于制备一般式为1的化合物,其中R1为酰基或酰氧基,R2为氢原子或C1-10烷基,包括通过使用
水解酶,在核苷酸亲核试剂和碱存在的恒定pH范围内将一般式为2的内酰胺转化而来。还描述了一般式I化合物的后续转化为光学活性的一般式为3的1-
氨基-4-(羟甲基)-2-
环戊烯。