97308-12-8Relevant academic research and scientific papers
3,5-DILITHIATED TERTIARY THIOPHENE 2-CARBOXAMIDE. REGIOSELECTIVE ENTRIES INTO DIVERSELY SUBSTITUTED THIOPHENES
Doadt, E. G.,Snieckus, V.
, p. 1149 - 1152 (1985)
3,5-Dilithiated N,N-diethyl thiophene 2-carboxamide (3) undergoes reaction with a single electrophile in excess, or two different electrophiles in tandem, to give 2,3- and 2,3,5-substituted thiophene derivatives (4).
