Dibenzosuberone → 5-[10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-yl]-2,4(1H,3H)-pyrimidinedione

Beteiligte Stoffe

Reaktionsschritte

The subtitle compound was prepared from 5-bromo-2,4-bis(1,1-dimethylethoxy)pyrimidine (example step(i)) (3.5 g) and 10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-one (2.41 g) according to the method of example 1 step (iii). Purification was by chromatography eluting with 2% ethanol in dichloromethane. Yield 2.17 g. Used directly in the next step.

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