Tetrahedron letters

3, 5-Dilithiated tertiary thiophene 2-carboxamide. Regioselective entries into diversely substituted thiophenes

EG Doadt, V Snieckus

Index: Doadt, E. G.; Snieckus, V. Tetrahedron Letters, 1985 , vol. 26, # 9 p. 1149 - 1152

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Citation Number: 40

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... 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). ... All new compounds show analytical and spectral (IR, NMR, MS) data ...

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