Ar. Katritzky et al., 4,6-BIS-(N,N-DIALKYLAMINO)-S-TRIAZINES AND 2,4,6-TRIS-(N,N-DIALKYLAMINO)-S-TRIAZINES - SYNTHESIS, NMR-SPECTRA AND RESTRICTED ROTATIONS, Perkin transactions. 2, (4), 1995, pp. 785-792
Syntheses of various symmetrically and non-symmetrically trisubstitute
d triazines are reported. Dynamic NMR (H-1 and C-13) experiments demon
strate that 2,4,6-tris(dialkylamino)-s-triazines show correlated rotat
ions of the alkyl groups in the dialkylamino moieties. Unsymmetrical 2
-chloro-, 2-alkoxy- and 2-aryloxy-4,6-bis(di-n-alkylamino)-s-triazines
display two non-equivalent n-alkyl groups, due to the restricted rota
tion around the Ar-N bonds.