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Olefin coordination with rhodium(II) perfluoroalkanoates in solution

✍ Scribed by Doyle, Michael P.; Mahapatro, Surendra N.; Caughey, Alada C.; Chinn, Mitchell S.; Colsman, Mark R.; Harn, Nancy K.; Redwine, Ann E.


Book ID
127212822
Publisher
American Chemical Society
Year
1987
Tongue
English
Weight
451 KB
Volume
26
Category
Article
ISSN
0020-1669

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Rhodium(II)-catalyzed olefin cyclopropan
✍ Paul Müller; Yves Allenbach; Estelle Robert 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 253 KB

The phenyliodonium ylide 3a derived from Meldrum's acid reacts with olefins in the presence of Rh(II) carboxylate catalysts to afford cyclopropanes. The reaction is stereospecific. Enantioselectivities of up to 63% have been observed for the cyclopropanation of pent-1-ene. No 1,3-cycloadducts are fo