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Novel axially chiral Rh N-heterocyclic carbene complexes were prepared from axially dissymmetric 1,1?-binaphthalenyl-2,2?-diamine and applied in the Rh-catalyzed enantioselective hydrosilylation of methyl ketones. The enantioselective direct aldol reaction, organocatalyzed by recoverable BINAM- prolinamide derivatives can be highly accelerated by a catalytic amount of a carboxylic acid without a detrimental of the obtained enantioselectivities.
Wei-Liang Duan,; Min Shi,; Guo-Bin Rong. Synthesis of novel axially chiral Rh-NHC complexes derived from BINAM and application in the enantioselective hydrosilylation of methyl ketones Chem. Commun. 2003, (23), 2916-2917.
Gabriela Guillena,; María del Carmen Hita,; Carmen Nájera. High acceleration of the direct aldol reaction cocatalyzed by BINAM-prolinamides and benzoic acid in aqueous media. Tetrahedron: Asymmetry 2006, 17(10), 1493-1497.
Dichiarazioni di rischio (UE): H302-H318
Harmful if swallowed. Causes serious eye damage.
Dichiarazioni precauzionali: P260-P201-P280i-P304+P340-P405-P501a
Do not breathe dust/fume/gas/mist/vapours/spray. Obtain special instructions before use. Wear eye/face protection. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.