A New Route for the Synthesis of 3-Methoxythiophenes
摘要:
A new synthesis of 4-substituted, 5-substituted and 4,5-disubstituted 3-methoxythiophenes is reported. The reaction takes place in three steps in nealy quantitative yields starting from methyl 3-hydroxythiophene-2-carboxylates.
Synthesis of 4-Substituted Methyl 3-(2,3-Epoxy)propoxythiophene-2-carboxylates
摘要:
The synthesis of 4-substituted methyl 3-hydroxythiophene-2-carboxylates is reported. The selective O-alkylation by two methods of these compounds gives the correspondent epoxy derivatives.