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Formation of a Carbon-Carbon Triple Bond by Coupling Reactions In Aqueous Solution

Science  08 Apr 2005:
Vol. 308, Issue 5719, pp. 234-235
DOI: 10.1126/science.1109965

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Abstract

Formation of a carbon-carbon triple bond by coupling reactions usually takes place at high temperatures, in anhydrous media and anaerobic conditions. We describe the formation of a carbon-carbon triple bond at room temperature in an aqueous solution exposed to the atmosphere. Two ethylidyne ligands of a trimolybdenum cluster coupled spontaneously to form 2-butyne. This unexpected result demonstrates the plausibility of alkylidyne chain lengthening and metathesis processes under ambient, environmentally friendly conditions.

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