申请人:The Research Foundation of State University of New York
公开号:US07385064B1
公开(公告)日:2008-06-10
Disclosed are compounds having the following formula:
in which Z11 is selected from a substituted or unsubstituted saturated adamantyl or other polycyclic group and a substituted or unsubstituted branched acyclic group containing at least 5 carbon atoms at least one of which is a tertiary carbon; and in which Z12 is a cyclic imide. Methods of using these compounds as chiral catalysts for carbenoid reactions and for enantioselective C—H aminations are also described.
benzylamines has been achieved for the first time through transition-metal-catalyzed oxidative carbonylation, in which the new KR strategy offered a new approach to afford chiral isoindolinones (er up to 97 : 3) and the origin of chemoselectivity and stereoselectivity was confirmed by density functional theory (DFT) calculations.
Kinetic Resolution of Benzylamines via Palladium(II)-Catalyzed C–H Cross-Coupling
作者:Kai-Jiong Xiao、Ling Chu、Gang Chen、Jin-Quan Yu
DOI:10.1021/jacs.6b04660
日期:2016.6.22
A Pd(II)-catalyzed enantioselective C-H cross-coupling of benzylamines via kinetic resolution has been achieved using chiral mono-N-protected α-amino-O-methylhydroxamic acid (MPAHA) ligands. Both chiral benzylamines and ortho-arylated benzylamines are obtained in high enantiomeric purity. The use of a readily removable nosyl (Ns) protected amino group as the directing group is a crucial practical advantage
Dirhodium Tetracarboxylates Derived from Adamantylglycine as Chiral Catalysts for Enantioselective C−H Aminations
作者:Ravisekhara P. Reddy、Huw M. L. Davies
DOI:10.1021/ol061742l
日期:2006.10.1
The dirhodium tetracarboxylate, Rh-2(S-TCPTAD)(4), derived from adamantylglycine, is an effective chiral catalyst for both inter- and intramolecular C-H aminations.
Nerdel,F. et al., Justus Liebigs Annalen der Chemie, 1961, vol. 643, p. 6 - 23