Tetrahedron

Investigating the synthesis of unsymmetrical tetrathiafulvalene derivatives: Improved yields by the hidden equivalent method

RD McCullough, MA Petruska, JA Belot

Index: McCullough, Richard D.; Petruska, Melissa A.; Belot, John A. Tetrahedron, 1999 , vol. 55, # 33 p. 9979 - 9998

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Citation Number: 35

Abstract

An improved synthesis of unsymmetrical tetrathiafulvalenes (TTFs)(5 ac, 5 fg, 7) is presented which results in higher yields of unsymmetrical TTFs when compared to existing methods. The synthetic method consists of pre-equilibration of thiones containing electron withdrawing groups with P (OEt) 3 at the minimum temperature where a reaction occurs as determined by 31P NMR, followed by the slow addition of the thiones to be coupled ( ...

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