2006
DOI: 10.1016/j.tet.2006.03.084
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Chiral spiroborate esters catalyzed highly enantioselective direct aldol reaction

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Cited by 19 publications
(5 citation statements)
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“…349 The authors do not propose a mechanism for this unusual catalytic system. The adducts 296 were obtained in low to moderate yield with generally high enantioselectivity for most aryl aldehydes.…”
Section: Metal-catalyzed Aldol Reactionsmentioning
confidence: 96%
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“…349 The authors do not propose a mechanism for this unusual catalytic system. The adducts 296 were obtained in low to moderate yield with generally high enantioselectivity for most aryl aldehydes.…”
Section: Metal-catalyzed Aldol Reactionsmentioning
confidence: 96%
“…Zhou and Shan reported the use of spiroboronate ester 300 for the direct acetone aldol reaction in 2006 (Scheme 51). 349 The authors do not propose a mechanism for this unusual catalytic system. The adducts 296 were obtained in low to moderate yield with generally high enantioselectivity for most aryl aldehydes.…”
Section: Prophenol-based Catalystsmentioning
confidence: 96%
See 1 more Smart Citation
“…prolinol, 157 imidazolidinone 28, 158 pyrrolidine-2,5-dicarboxylic acid 29, 159 indoline-2-carboxylic acid 30, 160,161 spiroborate ester, 162 pyrrolidinylphosphonic acid 31, 163 and 4-pyrrolidinylproline 32. 164,165 Chart 4.…”
Section: Polymer-supported Catalysts and Othersmentioning
confidence: 99%
“…We recently synthesized various tetracoordinate enantiopure spiroborate esters possessing an O 3 BN framework via a convenient procedure . Some of them showed highly stereoselective catalytic activity in aldol reactions and in borane reductions of prochiral ketones, imines, and oxime ethers …”
mentioning
confidence: 99%