21671-21-6

Basic information

• Product Name: L-Valine, N-phenyl-
• Synonyms: L-Valine,N-phenyl
• CAS NO: 21671-21-6
• Molecular Formula: C11H15NO2
• Molecular Weight: 193.246
• Mol File: 21671-21-6.mol
• Article Data: 19

Chemical Properties

• Melting Point: 118.5-119.0 °C
• Boiling Point: 366.2±25.0 °C(Predicted)
• Density: 1.134±0.06 g/cm3(Predicted)
• CAS DataBase Reference: L-Valine, N-phenyl-(CAS DataBase Reference)
• NIST Chemistry Reference: L-Valine, N-phenyl-(21671-21-6)
• EPA Substance Registry System: L-Valine, N-phenyl-(21671-21-6)

Safety Data

• Hazardous Substances Data: 21671-21-6(Hazardous Substances Data)

Upstream product

• 921-08-4 (S)-2-chloro-3-methylbutyric acid 
• 62-53-3 aniline 
• 108-86-1 bromobenzene 
• 72-18-4 L-valine 
• 640-68-6 D-Val-OH 
• 204059-95-0 (S)-methyl 3-methyl-2-(phenylamino)butanoate 
• 591-50-4 iodobenzene 
• 100-46-9 benzylamine 
• 108-90-7 chlorobenzene 

Downstream Products

• 204059-95-0 (S)-methyl 3-methyl-2-(phenylamino)butanoate 
• 219638-96-7 (S)-N-methyl-N-phenyl-2-amino-3-methylbutan-1-ol 
• 950608-89-6 (S)-N¹-allyl-N¹-benzyl-3-methyl-N²-phenylbutane-1,2-diamine 
• 13328-73-9 (2Ξ,4S)-4-isopropyl-2-methyl-2,3-diphenyl-[1,3,2]oxazasilolidine-5-one 
• 950608-87-4 (S)-N-allyl-N-benzyl-3-methyl-2-(phenylamino)butyramide 

Relevant articles and documents

Oxalic amide ligands, and uses thereof in copper-catalyzed coupling reaction of aryl halides

The present invention provides oxalic amide ligands and uses thereof in copper-catalyzed coupling reaction of aryl halides. Specifically, the present invention provides a use of a compound represented by formula I, wherein definitions of each group are described in the specification. The compound represented by formula I can be used as a ligand in copper-catalyzed coupling reaction of aryl halides for the formation of C—N, C—O and C—S bonds.

Microwave-promoted N-arylation of imidazole and amino acids in the presence of Cu2O and CuO in poly(ethylene glycol)

Copper(I)-catalyzed N-arylation of imidazole with iodobenzene, its derivatives, and bromobenzene in poly(ethylene glycol) under microwave irradiation was studied. The influence of the following factors on the yield of arylation product was investigated: the nature of the source of copper and ligand, type of poly(ethylene glycol) (PEG) used, and substituents in iodoarene. An optimal catalytic system was selected: CuO/l-Hys/Cs2CO3/PEG-400, a possibility of recycling of copper-containing catalyst was demonstrated. N-Arylation of eight natural amino acids using catalysis with Cu2O/Cs2CO3/PEG-400 and microwave irradiation was studied, the dependence of the reaction results on temperature, duration of the process, and the ratio of the starting reagents was found. The highest yields of the target products were reached in the case of leucine, valine, and phenylalanine.

N-Functionalized Amino Acids Promoted Aerobic Copper-Catalyzed Oxidation of Benzylic Alcohols in Water

Instead of traditional N,N-bidentate ligands, N-functionlized amino acids were used as powerful N,O-bidentate ligands in aerobic copper/TEMPO-catalyzed system for promoting oxidation of benzylic alcohols. Under the optimized reaction conditions, a wide range of primary and secondary benzylic alcohols have been efficiently converted into aldehydes and ketones with good to excellent yields in water.