反应详情

Intermediate 13 was prepared in analogy to GP 2 by reaction of 2.15 g of Intermediate 12 (4.5 mmol, 1 eq.) and 1.09 g of Intermediate 5 (4.5 mmol, 1 eq.) to yield (after crystallization from acetonitrile) 1.2 g of Intermediate 13 (60% yield).

1. customto yield