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1H-INDOLE-3-CARBOXYLIC ACID, 6-METHYL-1-(PHENYLMETHYL)-,METHYL ESTER synthesis

2synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 4 steps
1: 96 percent / K2CO3 / dimethylformamide
2: 31 percent / Br2 / 2 h / 0 °C
3: 91 percent / AlCl3 / CH2Cl2 / 0.5 h / -20 °C
4: 76 percent / Raney Ni / methanol / 0.17 h / 25 °C

References:

Hirano, Satoshi;Akai, Ritsuko;Shinoda, Yoshihiko;Nakatsuka, Shin-ichi [Heterocycles,1995,vol. 41,# 2,p. 255 - 258]