作者:Stephen F. Nelsen、Peter A. Petillo、James De Felippis、Yichun Wang、Ling Jen Chen、Maria J. R. Yunta、Franz A. Neugebauer
DOI:10.1021/ja00066a029
日期:1993.6
1 H-NMR spectra of bis-bicyclic hydrazine radical cations allowed determination of the magnitude and sign of the proton splitting constants under ∼2 G, and assignments to position using deuterium labeling were made for several cases. ENDOR spectra measured the hydrogen splittings over 2 G. Bridgehead hydrogen splitting constants for sesquibicyclic compounds (bis-N,N'-bicyclics) were observed in the
双双环肼自由基阳离子的 1 H-NMR 光谱可以确定约 2 G 下质子分裂常数的大小和符号,并在几种情况下使用氘标记指定位置。ENDOR 光谱测量了超过 2 G 的氢分裂。对于包含 2,3-二氮杂双环的六个例子,观察到倍半双环化合物(双-N,N'-双环)的桥头氢分裂常数在 -0.10 到 +0.14 的范围内[2.2.2 ]辛基环,对于两个 2,3-二氮杂双环[2.2.2]辛烯基化合物,-0.14 到 -0.04,对于包含 5,6-二氮杂双环 [3.2.2] 壬基和 -壬烯基环的四个化合物,+0.02 到 +0.21,以及+0.35 至 +0.84 对于含有 2,3-二氮杂双环 [2.2.1] 庚基环的化合物