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1665-35-6

2-Phenyl-5-ethylnylthiophene synthesis

5synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1: 85 percent / I2, HgO / benzene / 1 h / Ambient temperature
2: 1.) EtMgBr, 2. (PPh3)4Pd / 1.) THF, reflux, 1 h; 2.) benzene, THF, 60 deg C, 5 h.
3: 60 percent / 1N KOH / methanol; H2O / 2 h / Ambient temperature

References:

Rossi, Renzo;Carpita, Adriano;Lezzi, Alessandro [Tetrahedron,1984,vol. 40,# 14,p. 2773 - 2780]