Potassium Hydroxide → HCID 54219954, compound

Participants

Reaction Steps

In a manner similar to Example 2, 1 g (2.4 mmol) of ethyl 5-(benzyl-5-benzyloxyindol-3-yl)-2,4-pentadienoate was treated with 0.5 g (8.6 mmol) of potassium hydroxide in ethanol-water to give, after powders, m.p. 202-203. MS(EI): 365 (M+--CO2), 274 (M+--CO2 --CH2C6H5); NMR (DMSO-d6): δ5.14 (s, 2), δ5.36 (s, 2), δ5.89 (d, J=15 Hz, 1).

Provenance & Evidence