Помогите пожалуйста с тремя свежими статьями изtetrahedron и Tetrahedron Letters:
1) C.H. Wang, S. Alluria and A.K. Ganguly
A convenient synthesis of ortho–ortho disubstituted biphenyls containing an eight-membered lactam ring using radical chemistry
Tetrahedron Letters
Volume 50, Issue 17, Pages 1879-1881
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http://dx.doi.org/10.1016/j.tetlet.2009.02.031Asymmetric hetero-Diels–Alder reactions of carbonyl compounds
Tetrahedron
Volume 65, Issue 15, Pages 2839-2877
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http://dx.doi.org/10.1016/j.tet.2009.01.068Recent synthetic developments in a powerful imino Diels–Alder reaction (Povarov reaction): application to the synthesis of N-polyheterocycles and related alkaloids
Tetrahedron
Volume 65, Issue 14, Pages 2721-2750
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http://dx.doi.org/10.1016/j.tet.2008.12.059organic