Chemistry is traditionally divided into organic and inorganic chemistry. Quality Control of (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 126456-43-7
Synthesis of enantioenriched azo compounds: Organocatalytic Michael addition of formaldehyde N-tert-butyl hydrazone to nitroalkenes
The unprecedented diaza-ene reaction of formaldehyde N-tert-butyl hydrazone with nitroalkenes can be efficiently catalyzed by an axially chiral bis-thiourea to afford the corresponding diazenes in good to excellent yields (60-96%) and moderate enantioselectivities, up to 84 : 16 er; additional transformation of diazenes into their tautomeric hydrazones proved to be operationally simple and high-yielding, affording bifunctional compounds which represent useful intermediates for the synthesis of enantioenriched beta-nitro-nitriles and derivatives thereof.
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Reference£º
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis