Ru(ii)-catalyzed rearrangement of the allenic sulfide bearing propargyl moiety: efficient formation of benzene derivatives??

Organic Chemistry Frontiers Pub Date: 2014-02-07 DOI: 10.1039/C4QO00001C

Abstract

[RuCl2(p-cymene)]2 efficiently catalyzes the rearrangement of allenic sulfides bearing the propargyl moiety to afford 1,2,4-trisubstituted benzene derivatives. The alkyne-Ru(II) carbene [2 + 2] cycloaddition/ring opening process has been proposed in the reaction mechanism.

Graphical abstract: Ru(ii)-catalyzed rearrangement of the allenic sulfide bearing propargyl moiety: efficient formation of benzene derivatives
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