N-(E)-stilbenyloxyalkylcarbonyl- and N-(E)-stilbenyloxyalkylcarbonylaminoalkylcarbonyl-substituted hydrazones of 2-, 3- and 4-pyridinecarboxaldehydes have been prepared. The stereochemical behavior of these compounds in dimethyl-d6 sulfoxide solution has been studied by 1H-nmr technique. The E geometrical isomers and cisltrans amide conformers have been found for N-substituted-hydrazones 1–16.
在文献十八化合物未知,N-(E)-stilbenyloxyalkylcarbonyl-和N-(E)-stilbenyloxyalkylcarbonylaminoalkylcarbonyl-取代的2-,3-和已经制备4- pyridinecarboxaldehydes的腙。通过1 H-nmr技术研究了这些化合物在二甲基-d 6亚砜溶液中的立体
化学行为。已发现N取代的1 1–16的E几何异构体和顺反式酰胺构象异构体。