'THE SYNTHESIS OF ETHYL P-(4-CYANO-5-BENZYLOXY-3-INDOLE)- PROPIONATE ... Summary The synthesis of ethyl P-(4-oyano-5-benzyloxy-3-indo1e)propionate ... I. INTRODUCTION In connection with the metabolism of lysergic acid derivatives, ethyl f3-(4-cyano-5-benzyloxy-3-indole )propionate has been prepared as a key inter- mediate in the synthesis of a chemical and pharmacological model. 6-Nitro-3-cresol was prepared from 3-cresol via the oxidation of 6-nitroso- 3-cresol ...