反应详情

Intermediate 24 (14.08 g, 48 mmol) and pyrrolidin-2-one (4.9 g, 57.6 mmol) were converted to intermediate 25 as described in example 1; 1.5). The crude product (14.6 g) was used without purification in the next step.

1. customThe crude product (14.6 g) was used without purification in the next step