+++Tetrahedron и др. с ScienceDirect, спасибо Viksya

[Piston]

Здравствуйте уважаемые коллеги! Помогите, пожалуйста, найти несколько статей на ScienceDirect:
1. Zheng, Chao; Sheng, Yi-Fei; Li, Yu-Xue; You, Shu-Li A theoretical investigation into chiral phosphoric acid-catalyzed asymmetric Friedel–Crafts reactions of nitroolefins and 4,7-dihydroindoles: reactivity and enantioselectivity // Tetrahedron. 2010. Vol. 66. N. 15. P. 2875 – 2880.

DOI:

http://dx.doi.org/10.1016/j.tet.2010.02.031

2. Ramachandiran, K.; Karthikeyan, K.; Muralidharan, D.; Perumal, P. T. Synthesis of isoxazolobenzoxepanes via Michael addition of indoles to nitroalkenes and sequential intramolecular nitrile oxide cycloaddition // Tetrahedron Letters. 2010. Vol. 51. N. 22. P. 3006 – 3009.

DOI:

http://dx.doi.org/10.1016/j.tetlet.2010.04.001

3. Rodriguez, Andrew A.; Yoo, Hoseong; Ziller, Joseph W.; Shea, Kenneth J. New architectures in hydrogen bond catalysis // Tetrahedron Letters. 2009. Vol. 50. N. 49. P. 6830 – 6833.

DOI:

http://dx.doi.org/10.1016/j.tetlet.2009.09.129

4. Yadav, J. S.; Abraham, Sunny; Reddy, B. V. Subba; Sabitha, G. Addition of pyrroles to electron deficient olefins employing InCl3 // Tetrahedron Letters. 2001. Vol. 42. N 45. P. 8063 – 8066.

DOI:

http://dx.doi.org/10.1016/S0040-4039(01)01697-5

5. Yuan, Zhi-Liang; Lei, Zhi-Yu; Shi, Min BINAM and H8-BINAM-based chiral imines and Zn(OTf)2-catalyzed enantioselective Friedel–Crafts alkylation of indoles with nitroalkenes // Tetrahedron: Asymmetry. 2009. Vol. 19. N. 11. P. 1339 – 1346.

DOI:

http://dx.doi.org/10.1016/j.tetasy.2008.04.037

Заранее спасибо!

[Viksya]

[Piston]

Спасибо огроменное Viksya!!!