A process for efficiently producing optically active succinimide derivatives as key intermediates of (3R)-2′-(4-bromo-2-fluorobenzyl)spiropyrrolidine-3,4′(1′H)-pyrrolo[1,2-a]pyrazine}-1′,2,3′,5(2′H)-tetraone, which comprises the following reaction steps, and the step 2 is performed by using a non-animal-derived enzyme.
一种高效生产光学活性琥珀
酰亚胺衍
生物的方法,其作为(3R)-2'-(4-
溴-2-
氟苯基)螺
吡咯烷-3,4'(1'H)-
吡咯[1,2-a]
吡嗪}-1',2,3',5(2'H)-四酮的关键中间体,包括以下反应步骤,其中步骤2使用非动物来源的酶进行反应。