Ethyl 2-(dibenzylamino)acetate → 2-(N,N-Dibenzylaminomethyl)-4-phenyl-3-chromene

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Reaction Steps

The process of Example 4 was repeated using N,N-dibenzylglycine ethyl ester in place of N,N-dimethylalanine ethyl ester in part (a), then following the precedure in part (b) and in part (c) using phenyl lithium in place of the 4-bromochlorobenzene/butyl lithium, to yield the title compound as an oil, after dehydration in dilute HCl as in part (d).

Provenance & Evidence