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1) Ion-pair extraction of some cinchona alkaloids with various chiral organic anions 1
Shigekazu Tsurubou
Analytica Chimica Acta Volume 215, 1988, Pages 119-129

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http://dx.doi.org/10.1016/S0003-2670(00)85272-1

2) Enantioselective synthesis of sec-allylalcohols by catalytic asymmetric addition of divinylzinc to aldehydes.
Wolfgang Oppolzer and Rumen N. Radinov
Tetrahedron Letters Volume 29, Issue 44, 1988, Pages 5645-5648

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http://dx.doi.org/10.1016/S0040-4039(00)80834-5

3) Ionic liquids incorporating camphorsulfonamide units for the Ti-promoted asymmetric diethylzinc addition to benzaldehyde
Benoıˆt Gadennea, Peter Hesemanna and Joël J.E. Moreau,
Tetrahedron Letters Volume 45, Issue 44, 25 October 2004, Pages 8157-8160

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http://dx.doi.org/10.1016/j.tetlet.2004.09.038

4) Highly enantioselective addition of dialkylzinc reagents to ketones promoted by titanium tetraisopropoxide
Miguel Yus, Diego J. Ramón and Oscar Prieto
Tetrahedron: Asymmetry Volume 13, Issue 21, 31 October 2002, Pages 2291-2293

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http://dx.doi.org/10.1016/S0957-4166(02)00572-4

5) Camphorsulfonamide derivatives: a new class of chiral catalysts for the titanium alkoxide-promoted addition of dialkylzinc to aldehydes
Diego J. Ramón and Miguel Yus
Tetrahedron: Asymmetry Volume 8, Issue 14, 24 July 1997, Pages 2479-2496

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http://dx.doi.org/10.1016/S0957-4166(97)00272-3

6) Anwendung der Wittig-Reaktion auf bi- und tricyclische Terpene (p 50-55)
Franz Dallacker, Klaus Ulrichs, Maria Lipp
Just Lieb Ann Chem 1963, 667(1), 50-55

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http://dx.doi.org/10.1002/jlac.19636670108

Спасибо заранее!!!

[nikolay_ap]

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