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Добрый день!
помогите пожалуйста найти следующие статьи:

1. Highly enantioselective synthesis of 2H-1-benzothiopyrans by a catalytic domino reaction
Ramon Riosa, Henrik Sundéna, Ismail Ibrahema, Gui-Ling Zhaoa, Lars Erikssona and Armando Córdova
Tetrahedron Letters
Volume 47, Issue 48, 27 November 2006, Pages 8547-8551

DOI:

http://dx.doi.org/10.1016/j.tetlet.2006.09.135

2.Highly enantioselective preparation of tricyclo[4.4.0.05,7]decene derivatives via catalytic asymmetric intramolecular cyclopropanation reactions of α-diazo-β-keto esters
Ryoji Idaa and Masahisa Nakada
Tetrahedron Letters
Volume 48, Issue 28, 9 July 2007, Pages 4855-4859

DOI:

http://dx.doi.org/10.1016/j.tetlet.2007.05.046

3. Highly enantioselective synthesis of 3-cycloalkanone-3-hydroxy-2-oxindoles, potential anticonvulsants
Monika Raja, Nagarathanam Veerasamya and Vinod K. Singh
Tetrahedron Letters
Volume 51, Issue 16, 21 April 2010, Pages 2157-2159

DOI:

http://dx.doi.org/10.1016/j.tetlet.2010.02.082

4. Practical enantioselective synthesis of lamivudine (3TC™) via a dynamic kinetic resolution
Michael D. Goodyeara, Malcolm L. Hilla, Jono P. Westa and Andrew J. Whitehead
Tetrahedron Letters
Volume 46, Issue 49, 5 December 2005, Pages 8535-8538

DOI:

http://dx.doi.org/10.1016/j.tetlet.2005.10.002

5. Highly enantioselective synthesis of warfarin and its analogs by means of cooperative LiClO4/DPEN-catalyzed Michael reaction: enantioselectivity enhancement and mechanism
Hua-Meng Yanga, Li Lia, Ke-Zhi Jianga, Jian-Xiong Jianga, Guo-Qiao Lai and Li-Wen Xu
Tetrahedron
Volume 66, Issue 51, 18 December 2010, Pages 9708-9713

DOI:

http://dx.doi.org/10.1016/j.tet.2010.10.032

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