Keywords: Benzyneconversioncolouredlabels.png Benzyne Conversion The use of a carbon-13 labled precursor was used to determine the mechanism of the proposed 1 2- to 1 3-didehydrobenzene conversion of the phenyl substituted aryne precursor 1 to acenaphthylene blue unscrambled position red scrambled position purple considering both positions together/cross-over product Compound A represents the intermediate meta-benzyene which interconverts the two ortho-benzyenes 2 and 2B Reference A m-Benzyne to o-Benzyne Conversion Through a 1 2-Shift of a Phenyl Group Blake M E ; Bartlett K L ; Jones M Jr J Am Chem Soc 2003 125 6485 doi 10 1021/ja0213672 2008-03-19 Original PNG by V8rik coloured adaptation by Quantockgoblin Own work all rights released public domain Image BenzyneConversion png Arynes C-C bond forming reactions Acenaphthylene Carbenes |