Preparation and Nuclear Magnetic Resonance Study of Phosphorus Compounds Containing Alkenyl Functional Groups
作者:Peter W. Clark、John L. S. Curtis、Philip E. Garrou、George E. Hartwell
DOI:10.1139/v74-247
日期:1974.5.1
The phosphines PPhn(CH2CH2CH=CH2)3−n, n = 2–0, PPhn(CH2CH2CH2CH=CH2)3−n, n = 1 or 2, and PPh2CH2CH = CH2 have been synthesized and studied by 1H and 31P magnetic resonance. The n.m.r. spectra of PPh2(OCH2CH=CH2), its oxide, O=PPh2(OCH2CH=CH2), and its Arbuzov rearrangement product, O=PPh2(CH2CH=CH2), have been investigated by 31P decoupling of the proton spectrum, selective proton decoupling of the
膦 PPhn(CH2CH2CH=CH2)3−n, n = 2–0, PPhn(CH2CH2CH2CH=CH2)3−n, n = 1 or 2, 和 PPh2CH2CH = CH2 已通过 1H 和 31P 磁共振合成和研究。PPh2(OCH2CH=CH2) 及其氧化物 O=PPh2(OCH2CH=CH2) 及其 Arbuzov 重排产物 O=PPh2(CH2CH=CH2) 的 nmr 光谱已通过质子光谱的 31P 解耦进行了研究,选择性31P 光谱的质子解耦,并与计算机模拟光谱进行比较以确定自旋-自旋耦合常数。还指定了相关氧化物 O=PPh2CH2CH2CH=CH2、O=P(CH2CH2CH=CH2)3 和 O=P(OCH2CH=CH2)3 的 nmr 光谱。数据表明,烯基膦的 3JPH > 2JPH,氧化膦的 2JPH 大于膦,并且在比较磷(III)和磷(V)化合物时,3JPH 几乎没有变化。