HCID 21824583, compound → HCID 21824585, compound

Participants

Reaction Steps

A stirred suspension of 4.1 suspension of 4.1 g of the benzylamino acid obtained in Example 22 was refluxed in 75 ml. of xylene under a Dean-Stark trap for 24 hours, at the end of which time a clear solution had resulted. Distillation of the xylene in vacuo left the above-named product as shining white plates, m.p. 141°-142°. A sample of the cyclic lactam recrystallized from toluene melted at 141°-142°.

Provenance & Evidence