+++Thanks_Helлен_1 article from tetrahedron

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Intramolecular amidoalkylation of aromatics II. Synthesis of conformationally restricted bridged peptides analogues of phg-gly or gly-phg. Original Research Article
Tetrahedron, Volume 49, Issue 29, 1993, Pages 6399-6410
Dov Ben-Ishai, Aharon R. McMurray

DOI:

http://dx.doi.org/10.1016/S0040-4020(01)80154-X

link:

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http://www.sciencedirect.com/science/article/pii/S004040200180154X

[Helлен]