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 ...
![2,4-diphenylbenzo[j]-9-methyl-8-aza-1,3,5,2,4-trioxadiboracycloundec-8-ene Structure](https://image.chemsrc.com/caspic/268/1309575-95-8.png)
