TfNH2 as achiral hydrogen-bond donor additive to enhance the selectivity of a transition metal catalyzed reaction. Highly enantio- and diastereoselective rhodium-catalyzed cyclopropanation of alkenes using alpha-cyano diazoacetamide.
J Am Chem Soc
; 131(20): 6970-2, 2009 May 27.
Article
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| MEDLINE
| ID: mdl-19405468
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2009
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