HCID 21200294, compound → HCID 54202206, compound

Participants

Reaction Steps

To a solution of 15.0 g (0.047 mol) of the product of Example 6 in 45 mL of toluene was added 50 mL of N,N-imethylformamide di-t-butyl acetal and the mixture was then heated to reflux for 18 h. The reaction was then cooled to room temperature and croatographed on silica gel eluting with EtOAc/Hexanes (1:3) to give 8.94 g (51%) of the product as a white solid. Electrospray Mass Spec: 378.1 (M+H)+.

Provenance & Evidence