反应详情

The subtitle compound was prepared from the product of step (i) (1.6 g) and ethyl 4-bromobutyrate (1.38 g) by the method of example 21 step (ii). Purified by chromatography eluting with 30% ethyl acetate in toluene. Yield 0.43 g.

1. customPurified by chromatography
2. washeluting with 30% ethyl acetate in toluene