TIPS??TTF as a Precursor of Low??Symmetry TTF Derivatives: Steric Protection Strategy in the Regioselective C H Modification of TTF

…, D Fujino, H Yorimitsu, A Osuka

Index: Ueno, Ryota; Fujino, Daishi; Yorimitsu, Hideki; Osuka, Atsuhiro Chemistry - A European Journal, 2013 , vol. 19, # 22 p. 7156 - 7161

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Abstract

Abstract Triisopropylsilyltetrathiafulvalene (TIPS-TTF) has been devised as a promising platform for the synthesis of low-symmetry TTF derivatives. The bulky TIPS group allows TIPS-TTF to undergo palladium-catalyzed direct diarylation as well as LDA-mediated dilithiation exclusively on the roomier dithiole ring. Subsequent fluoride-mediated protodesilylation provided vicinally difunctionalized TTF, which could undergo further ...

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