ChemInform Abstract: Rhodium(I)-Catalyzed Successive Double Cleavage of Carbon—Carbon Bonds of Strained Spiro Cyclobutanones.
Abstract
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ChemInform Abstract
A new tandem sequence is developed in which two C—C bonds are cleaved successively first through the insertion of rhodium and second by β-carbon elimination. Several examples demonstrate the versatility of this transition-metal-mediated bond cleavage. Whereas with (IX) this double cleavage takes place, cyclobutanone (XII) joined by a seven-membered ring or the non-spiro compound (XIII) fails to react.
