Journal
TETRAHEDRON-ASYMMETRY
Volume 21, Issue 15, Pages 1900-1905Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetasy.2010.05.046
Keywords
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Funding
- National Natural Science Foundation of China [20972154]
- National Basic Research Program of China (973 Program) [2010CB833300]
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Asymmetric transfer hydrogenation of beta,beta-disubstituted nitroalkenes catalyzed by a chiral diamine-rhodium complex in combination with HCO(2)Na-HCO(2)H as a hydrogen source in water was successfully realized with high reactivity, excellent chemoselectivity and good enantioselectivity. The metal precursor and pH value of the aqueous solution have a large influence on the reactivity and chemoselectivity. The substituents on the benzene rings and the sulfonyl groups of TsDPEN have significant effects on the enantioselectivity. This catalytic asymmetric transformation is one of the most practical pathways to obtain optically active nitroalkanes. (C) 2010 Elsevier Ltd. All rights reserved,
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