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ChemicalBook CAS DataBase List 5-formyl-4-methylthiophene-2-carboxylic acid
391936-74-6

5-formyl-4-methylthiophene-2-carboxylic acid synthesis

2synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1.1: 87 percent / 24 h / Heating
2.1: n-BuLi; TMEDA / hexane; tetrahydrofuran / 2 h / -78 °C
2.2: hexane; tetrahydrofuran; diethyl ether / 16 h / 20 °C
3.1: 8.3 g / aq. H2SO4

References:

Costantino, Gabriele;Marinozzi, Maura;Camaioni, Emidio;Natalini, Benedetto;Sarichelou, Iran;Micheli, Fabrizio;Cavanni, Paolo;Faedo, Stefania;Noe, Christian;Moroni, Flavio;Pellicciari, Roberto [Il Farmaco,2004,vol. 59,# 2,p. 93 - 99]