Asymmetric cyclopropanation in ionic liquids: effect of anion and impurities

Autor: Sukhvinder K. Kandola, David L. Davies, Raj K. Patel

Publikováno v: Tetrahedron: Asymmetry. 15:77-80

Cyclopropanation of styrene with ethyl diazoacetate catalysed by copper triflate and a bis(oxazoline) occurs with good yield and enantioselectivity in a variety of ionic liquids. The catalyst solution can be recycled four times with little drop in yi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a5e5ab051265d8c6c7b88b397727cd37
https://doi.org/10.1016/j.tetasy.2003.10.011

Ionic Liquids in Organic Synthesis

Autor: Sanjay V. Malhotra, Cinzia Chiappe, Daniela Pieraccini, Christian Silvio Pomelli, Kenneth K. Laali, F. Endres, N. Borissenko, S. Zein El Abedin, George A. Olah, G. K. Surya Prakash, V. Prakash Reddy, Ying Xiao, George W. Kabalka, Bollu Venkataiah, Gang Dong, Hermenegildo García, Esther Carbonell, Richard Kim, Ildiko Meracz, Laura Serbulea, Geronimo Cebero, Taeboem Oh, Ram S. Mohan, Peter W. Anzalone, Scott T. Handy, Maurice Okello, David Bwambok, Hisahiro Hagiwara, David L. Davies, Sukhvinder K. Kandola, Raj K. Patel, Shui-Ling Chen, Guan-Leong Chua, Shun-Jun Ji, Teck-Peng Loh, Jitendra R. Harjani, Susheel J. Nara, Prashant U. Naik, Manikrao M. Salunkhe, Pedro Lozano, Teresa De Diego, Said Gmöuh, Michel Vaultier, José L. Iborra, Lijin Xu, Kim Hung Lam, Jiwu Ruan, Qinghua Fan, Albert S. C. Chan, João N. Rosa, Carlos A. M. Afonso, Delphine Brégeon, Jocelyne Levillain, Frédéric Guillen, Jean-Christophe Plaquevent, Annie-Claude Gaumont, Robert Engel, Sharon Lall-Ramnarine, Delroy Coleman, Marie Thomas, Oriol Jimenez, Thomas E. Müller, Johannes A. Ler