Abstract
Bridging gas- and solution-phase chemistry: A gold(I) carbene precursor complex has been developed and investigated for catalytic cyclopropanation. Formation of the carbene intermediate was first probed by mass spectrometry, followed by cyclopropanation of p-methoxystyrene in solution. The imidazolylidene leaving group serves as a base generated in situ that is necessary in the putative catalytic cycle.
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