Nachweis innermolekularer beweglichkeit durch NMR-spektroskopie—XV
作者:H. Kessler、D. Leibfritz
DOI:10.1016/s0040-4020(01)92757-7
日期:1970.1
The influence of substituents Z on the rates of syn-anti-isomerization has been studied using guanidines as typical examples of imines X2C = NZ. In the series: quinone imine < ketimime < C-aryl-imin < iminocarbonate < iminodithiocarbonate < guanidine the isomerization rate increases. The inversion mechanism was also proved by variation of Z. The inversion in imines is easier in the series: Z = OCH3
已经使用胍作为亚胺X 2 C = NZ的典型实例研究了取代基Z对顺-反异构化速率的影响。系列中:醌亚胺<酮亚胺
Kantlehner,W. et al., Liebigs Annalen der Chemie, 1979, p. 2096 - 2113
作者:Kantlehner,W. et al.
DOI:——
日期:——
Schaumann,E. et al., Justus Liebigs Annalen der Chemie, 1978, p. 1543 - 1559
作者:Schaumann,E. et al.
DOI:——
日期:——
KANTLEHNER W.; JAUS H.; KIENITZ L.; BREDERECK H., LIEBIGS ANN. CHEM., 1979, NO 12, 2096-2113
作者:KANTLEHNER W.、 JAUS H.、 KIENITZ L.、 BREDERECK H.
DOI:——
日期:——
SCHAUMANN E.; KAUSCH E.; ROSSMANITH E., J. LIEBIGS ANN. CHEM., 1978, NO 10, 1543-1559