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Your search keyword '"Hai-Feng Duan"' showing total 3 results
Start Over Author "Hai-Feng Duan" Publisher american chemical society (acs)
3 results on '"Hai-Feng Duan"'

1. Asymmetric Friedel−Crafts Addition of Indoles to N-Sulfonyl Aldimines: A Simple Approach to Optically Active 3-Indolyl-methanamine Derivatives

Author

Qi-Lin Zhou, Yi-Xia Jia, Jian-Hua Xie, Hai-Feng Duan, and Li-Xin Wang

Subjects
chemistry.chemical_classification, Sulfonyl, Aldimine, Organic Chemistry, Enantioselective synthesis, chemistry.chemical_element, General Medicine, Optically active, Combinatorial chemistry, Biochemistry, Copper, chemistry, Organic chemistry, Physical and Theoretical Chemistry, Friedel–Crafts reaction
Abstract

[reaction: see text] The enantioselective copper(II)-catalyzed Friedel-Crafts addition of indoles to N-sulfonyl aldimines was developed using chiral bisoxazoline as ligands, and high enantioselectivities (up to 96% ee) were achieved.

Published
2006
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2. Enantioselective Rh-Catalyzed Arylation of N-Tosylarylimines with Arylboronic Acids

Author

Hai-Feng Duan, Yi-Xia Jia, Li-Xin Wang, and Qi-Lin Zhou

Subjects
chemistry.chemical_compound, Aqueous solution, Chemistry, Organic Chemistry, Enantioselective synthesis, chemistry.chemical_element, Organic chemistry, General Medicine, Physical and Theoretical Chemistry, Biochemistry, Toluene, Rhodium, Catalysis
Abstract

The asymmetric arylation of N-tosylarylimines with arylboronic acids was realized by using rhodium/(S)-ShiP as catalyst. The reaction proceeded in aqueous toluene to give diarylmethylamines in good yields with up to 96% ee. [reaction: see text]

Published
2006
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3. Asymmetric Reductive Coupling of Dienes and Aldehydes Catalyzed by Nickel Complexes of Spiro Phosphoramidites: Highly Enantioselective Synthesis of Chiral Bishomoallylic Alcohols

Author

Hai-Feng Duan, Li-Xin Wang, Shou-Fei Zhu, Qi-Lin Zhou, Chang-Yue Zhou, and Yun Yang

Subjects
Phosphoramidite, Chemistry, Enantioselective synthesis, chemistry.chemical_element, General Medicine, General Chemistry, Combinatorial chemistry, Biochemistry, Catalysis, Coupling (electronics), Nickel, Colloid and Surface Chemistry, Organic chemistry
Abstract

A highly efficient nickel-catalyzed asymmetric reductive coupling of dienes and aldehydes has been realized by using bulky spirobiindane phosphoramidite ligands, affording bishomoallylic alcohols in high yields with excellent diastereoselectivities and enantioselectivities.

Published
2007
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