Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Venkata Jaganmohan Reddy"'
Publikováno v:
Tetrahedron. 66:4719-4729
The detailed study of Pd-catalyzed asymmetric cyanoamidation is reported. Excellent enantioselectivities are attributed to a chiral phosphosphoramidite ligand synthesized in one step from the commercially available materials. Cyanoamidation substrate
Publikováno v:
Angewandte Chemie International Edition. 50:1882-1884
Notable features of the title process are the use of [Rh(cod)2]BF4/dppe catalyst system as well as the quinoline chelating group to suppress the competitive decarbonylation reaction.
Publikováno v:
Angewandte Chemie. 121:6237-6239
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 271:86-88
N-boronomethyltrialkylammonium salts were prepared via the reaction of trialkyl amines with α-halomethylboronates. These compounds were utilized as selective catalysts for acetylation of primary alcohols and aldehydes.
Publikováno v:
Org. Biomol. Chem.. 5:889-891
A short protocol for the practical scale synthesis of several ω-borono-α-amino acids is described via the alkylation of benzophenone glycinimines with various electrophiles.
Publikováno v:
Inorganic Chemistry. 46:381-383
Carboranyl aldehydes react with alpha,beta-unsaturated esters, ketones, and nitriles in the presence of DABCO to provide functionalized carboranyl alcohols in good yields. Acetates of these alcohols undergo a facile isomerization with a variety of nu
Publikováno v:
ChemInform. 42
Notable features of the title process are the use of [Rh(cod)2]BF4/dppe catalyst system as well as the quinoline chelating group to suppress the competitive decarbonylation reaction.
Publikováno v:
ChemInform. 41
A diversity of oxindoles bearing quaternary all-carbon stereocenters, e.g. (II) or (V), is prepared by cyanoamidation reaction of corresponding cyanoformamides.
Publikováno v:
ChemInform. 41
The first asymmetric cyanoamidation with synthetically useful enantioselectivity (ee up to 99%) to produce 3,3-disubstituted oxindoles is reported. Palladium catalysts with chiral phosphoramidite ligands activate the cyanoformamide C-CN bond, which i
Publikováno v:
Organic letters. 12(5)
The first asymmetric cyanoamidation with synthetically useful enantioselectivity (ee up to 99%) to produce 3,3-disubstituted oxindoles is reported. Palladium catalysts with chiral phosphoramidite ligands activate the cyanoformamide C-CN bond, which i