Synthesis, characterization and X-ray studies of new chiral five-six-membered ring,[4.3. 0] heterobicyclic system of monomeric boronates

JM Rivera, S Rincón, N Farfán, R Santillan

文献索引：Rivera, Jose Maria; Rincon, Susana; Farfan, Norberto; Santillan, Rosa Journal of Organometallic Chemistry, 2011 , vol. 696, # 11-12 p. 2420 - 2428

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摘要

Abstract Nine new boronates, six of them chiral, with five-six-membered ring heterobicycles were prepared by reaction of the Schiff bases and phenyl boronic acid. The boronates were fully characterized by spectroscopic techniques, NMR 1 H, 13 C, 11 B, Infrared spectroscopy, mass spectrometry and elemental analysis. The reaction showed high diasteroselectivity, only in the case of compound 4c, containing a methyl substituent in the ...