H-1 AND C-13 NMR;
3-ARYLIDENEFLAVANONES;
CONFORMATIONAL EQUILIBRIA;
D O I:
10.1002/mrc.1260290810
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
The application of the 3J(H-C-X-C =) couplings in 3-arylideneflavanones and 3-arylidenethioflavanones allows a semi-quantitative estimation of the conformational equilibrium.