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[3+2] Cycloadditions of Aryl Cyclopropyl Ketones by Visible Light Photocatalysis
Tue, 11/27/2012 - 11:56am — root
| Title | [3+2] Cycloadditions of Aryl Cyclopropyl Ketones by Visible Light Photocatalysis |
| Publication Type | Journal Article |
| Year of Publication | 2011 |
| Authors | Lu, Z, Shen, M, Yoon, TP |
| Journal | Journal of the American Chemical Society |
| Volume | 133 |
| Pagination | 1162-1164 |
| Date Published | Feb |
| Accession Number | ISI:000287228500006 |
| Keywords | aldehydes, alpha-cyclopropyl, C-h functionalization, Chemistry, Multidisciplinary, electron-transfer, enones, fragmentation-cyclization, organic-synthesis, organocatalysis, photoredox catalysis, radical-ion probes |
| Abstract | We report a new method for the formal [3+2] reaction of aryl cyclopropyl ketones with olefins to generate highly substituted cyclopentane ring systems. The key initiation step in this process is the one-electron reduction of the ketone to the corresponding radical anion, which is accomplished using a photocatalytic system comprising Ru(bpy)(3)(2+), La(OTf)(3), and TMEDA. |
| Short Title | J. Am. Chem. Soc. |
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