The Journal of Organic Chemistry

Rapid syntheses of oligo (2, 5-thiophene ethynylene) s with thioester termini: potential molecular scale wires with alligator clips

DL Pearson, JM Tour

Index: Pearson, Darren L.; Tour, James M. Journal of Organic Chemistry, 1997 , vol. 62, # 5 p. 1376 - 1387

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Citation Number: 235

Abstract

The syntheses of soluble oligo (3-ethyl-2, 5-thiophene ethynylene) s via an iterative divergent/convergent approach starting from 3-ethyl-2-(trimethylsilylethynyl) thiophene are described. The monomer, dimer, tetramer, octamer, and 16-mer were synthesized. The 16- mer is 100 Å long in its minimized extended zigzag conformation. At each stage in the iteration, the length of the framework doubles. Only three sets of reaction conditions are ...

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