Catalytic, Enantioselective Synthesis of -Aminonitriles with a Novel Zirconium Catalyst

Strecker reactions of aldimines with Bu3SnCN in the presence of the novel chiral zirconium binuclear catalyst 1 provide -aminonitriles in good yields and w...

H Ishitani，SK And，S Kobayashi - 《Angewandte Chemie International Edition》

Enantioselective Synthesis of ??-Amino Nitriles from N -Benzhydryl Imines and HCN with a Chiral Bicyclic Guanidine as Catalyst

ChemInform is a weeklying Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInformof ...

EJ Corey，MJ Grogan - 《Organic Letters》

Schiff Base Catalysts for the Asymmetric Strecker Reaction Identified and Optimized from Parallel Synthetic Libraries

Radical anions of several alkyl-substituted buta-1,3-dienes, 4-9, and of 1,4-di-tert-butylcyclohexa-1,3-diene (11) were characterized by their hyperfine da...

MS Sigman，EN Jacobsen - 《Journal of the American Chemical Society》

Asymmetric catalysis of the Strecker amino acid synthesis by a cyclic dipeptide

A novel cyclic dipeptide — cyclo [( S )-His-( S )-NorArg] — has been prepared which catalyzes an enantioselective version of the Strecker amino acid synt...

MS Iyer，KM Gigstad，ND Namdev，... - 《Cheminform》

ChemInform Abstract: Asymmetric Catalysis of the Strecker Amino Acid Synthesis by a Cyclic Dipeptide

A novel cyclic dipeptide —cyclo[(S)-His-(S)-NorArg] — has been prepared which catalyzes an enantioselective version of the Strecker amino acid synthesis....

MS Iyer，KM Gigstad，ND Namdev，... - 《Amino Acids》

Nuclear magnetic double resonance; the use of difference spectroscopy

In 1980, the U.S. Supreme Court vacated a revised occupational standard for benzene, stating that the Occupational Safety and Health Administration (OSHA) ...

JKM Sanders，JD Mersh - 《Progress in Nuclear Magnetic Resonance Spectroscopy》

NMR studies of enzymatic rates in vitro and in vivo by magnetization transfer

Magnetization transfer techniques are specialized NMR experiments which can measure the rate of chemical reactions while concentrations of products and reactants are maintained constant. These techniques are being used to measure the rat...

JR Alger，RG Shulman - 《Quarterly Reviews of Biophysics》

Hydrogen/deuterium isotope effects on the 15N NMR chemical shifts and geometries of low-barrier hydrogen bonds in the solid state

In this study, hydrogen/deuterium isotope effects on the geometry and the N NMR chemical shifts of strongly hydrogen bonded, solid hydrogen-bisisocyanide s...

H Benedict，C Hoelger，F Aguilar-Parrilla，... - 《Journal of Molecular Structure》

An ab initio study of the molecular electric polarizabilities of N2, HCN, acetylene, and diacetylene

The independent components of the α, β, γ,A, andBtensors were computed for the ground states of N2, HCN, acetylene, and diacetylene molecules from elect...

CJ Jameson，PW Fowler - 《Journal of Chemical Physics》

Schiff Base Catalysts for the Asymmetric Strecker Reaction Identified and Optimized from Parallel Synthetic Libraries

The independent components of the α, β, γ,A, andBtensors were computed for the ground states of N2, HCN, acetylene, and diacetylene molecules from elect...

MS Sigman，EN Jacobsen - 《Journal of the American Chemical Society》