2005
DOI: 10.1021/cr040652w
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Modified BINAP:  The How and the Why

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Cited by 461 publications
(208 citation statements)
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References 133 publications
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“…As BINOL, (2,2′-bis(diphenylphosphino)-1,1′-binaphthyl) (BINAP), and related biaryl systems have been successfully applied as ligands, catalysts, and hosts in stereodiscriminating processes [43][44][45], it is theoretically possible to thoroughly design helicenebased helical systems possessing advantageous chiral properties. Progress in this area is highlighted below with several selected examples.…”
Section: General Description and Main Synthetic Approaches Toward Helmentioning
confidence: 99%
“…As BINOL, (2,2′-bis(diphenylphosphino)-1,1′-binaphthyl) (BINAP), and related biaryl systems have been successfully applied as ligands, catalysts, and hosts in stereodiscriminating processes [43][44][45], it is theoretically possible to thoroughly design helicenebased helical systems possessing advantageous chiral properties. Progress in this area is highlighted below with several selected examples.…”
Section: General Description and Main Synthetic Approaches Toward Helmentioning
confidence: 99%
“…The mixture of 2,3,5,6-tetrachloro- [1,4]-benzoquinone (0.70 g; 3.00 mmol), silica gel Separon SGX NH2 (3.0 g) and N,N-dimethylformamide (15 ml) was sonificated for 5 min and than stirred at room temperature for 24 h. The obtained modified silica gel was isolated by vacuum filtration on G-4 filter and washed subsequently with N,N-dimethylformamide (50 ml) and dichloromethane (50 ml). After drying at 70 ºC for 5 h it was obtained 3.20 g of SP 7.…”
Section: Spmentioning
confidence: 99%
“…The work in this field follows from the growing application of chiral compounds in the enantiomerically pure form as chiral organocatalysts or chiral ligands in organometallic catalytic complexes. [1][2][3][4] Since chiral catalysis represents one of the most effective transfers of chirality in small and large-scale syntheses, 5,6 any route to chiral organic molecules in the enantiopure form that can act as the catalyst, or be part of a catalytic system, is a worthwhile goal from an academic and industrial point of view. Prompted by continuous reporting on new applications of chiral bidentate ligands, and by our interest in developing new brush-type chiral stationary phases (CSPs) for specific applications, [7][8][9][10][11] we focused on the design and testing of a specific group of CSPs in order to perform chromatographic separation of BINAPO (1) enantiomers.…”
Section: Introductionmentioning
confidence: 99%
“…Os atropoisômeros enantiomericamente puros são amplamente utilizados em sínteses assimétricas catalisadas por metais [31][32][33][34] , promovendo a formação de complexos organometálicos quirais, através da indução de quiralidade por diferenciação termodinâmica do sítio reativo dos substratos durante a catálise [35][36][37] . Os principais atropoisômeros comercializados com esta finalidade são apresentados na Figura 11, com destaque para os enantiômeros do bifenilnaftol (BINOL) 32 e da bifenilfosfina (BINAP) 33,34 , que estão entre os ligantes quirais mais utilizados em síntese assimétrica.…”
Section: Uso Do Atropoisomerismo Em Reações Assimétricasunclassified
“…Os principais atropoisômeros comercializados com esta finalidade são apresentados na Figura 11, com destaque para os enantiômeros do bifenilnaftol (BINOL) 32 e da bifenilfosfina (BINAP) 33,34 , que estão entre os ligantes quirais mais utilizados em síntese assimétrica.…”
Section: Uso Do Atropoisomerismo Em Reações Assimétricasunclassified