A facile and unexpected synthesis of two novel condensed heterocycles: 1,1,4,4-tetramethyl-1H,4H-thieno[3,4-c]thiophene and 1,1,4,4-tetramethyl-1H,4H-selenolo[3,4-c]selenophene
Titel:
A facile and unexpected synthesis of two novel condensed heterocycles: 1,1,4,4-tetramethyl-1H,4H-thieno[3,4-c]thiophene and 1,1,4,4-tetramethyl-1H,4H-selenolo[3,4-c]selenophene