Allenl azide cycloaddtion chemistry. Photochemical initiation and cul mediation leads to improved regioselectivity. Feldman II, K., Hester, D., Lpez, C., & Faza, O. Organic Letters, 10(8):1665-1668, 2008.
doi  abstract   bibtex   
Irradiation of 2-(3-alkenyl)allenylphenyl azides in the presence of excess Cul furnished functionalized 2,3-cyclopentenylindoles in good yield with only trace amounts of competitive C-N-bonded regioisomeric products. These results represent a significant departure from the modest to-nonexistent regioselectivity that attended thermal cyclization of these allenyl azide substrates. © 2008 American Chemical Society.
@ARTICLE{FeldmanII20081665,
author={Feldman II, K.S. and Hester, D.K. and Lpez, C.S. and Faza, O.N.},
title={Allenl azide cycloaddtion chemistry. Photochemical initiation and cul mediation leads to improved regioselectivity},
journal={Organic Letters},
year={2008},
volume={10},
number={8},
pages={1665-1668},
doi={10.1021/ol800429j},
abstract={Irradiation of 2-(3-alkenyl)allenylphenyl azides in the presence of excess Cul furnished functionalized 2,3-cyclopentenylindoles in good yield with only trace amounts of competitive C-N-bonded regioisomeric products. These results represent a significant departure from the modest to-nonexistent regioselectivity that attended thermal cyclization of these allenyl azide substrates. © 2008 American Chemical Society.},
}
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