Iodosobenzene and Iodoxybenzene as Reagents for Oxygen Transfer in Organophosphorus Chemistry
作者:Grażyna Mielniczak、Andrzej Łopusiński
DOI:10.1055/s-2001-12312
日期:——
The application of iodosobenzene (1) and iodoxybenzene (2) for the oxidation reaction of phosphorus, phosphorothiono and phosphoroseleno compounds into the corresponding ≡P(O) analogs is demonstrated. Retention of configuration at the phosphorus atom and full stereoselectivity of these reactions in model diastereoisomeric cis- and trans-2-phenylamino-2-thiono-4-methyl-1.3.2-dioxaphosphorinans (30) as well cis- and trans-2-phenylamino-2-seleno-4-methyl-1.3.2-dioxaphosphorinans (31) systems, are demonstrated.
13C and31P solid-state NMR studies of bis(dialkoxythiophosphoryl) disulfides
作者:Po-Jen Chu、Marek J. Potrzebowski
DOI:10.1002/mrc.1260280603
日期:1990.6
the chemical shift tensors for the phosphorus atoms in three bis(dialkoxythiophosphoryl) disulfides were determined from both static and magic angle spinning NMR spectra, using the intensities of the peaks in the spinning sidebands relative to those of the central band in the latter method. These studies show that it is possible to deduce a mode of molecularmotion in the solidstate by analysis of the
三个双(二烷氧基硫代磷酰基)二硫化物中磷原子的化学位移张量的主要元素是通过静态和魔角旋转 NMR 光谱确定的,使用旋转边带中的峰强度相对于中心带中的峰强度。后一种方法。这些研究表明,通过分析屏蔽参数可以推导出固态分子运动模式。这些样品从 190 到 320 K 的变温 13C 和 31P CPMAS NMR 揭示了甲氧基的特殊运动和双(二甲氧基硫代磷酰基)二硫化物的刚性 PSSP 主链。此外,这些研究证实可以从固态 NMR 实验中区分不同的 X 射线晶体结构。
Lopusinski, Andrzej; Potrzebowski, Marek, Phosphorus and Sulfur and the Related Elements, 1987, vol. 32, p. 55 - 64
作者:Lopusinski, Andrzej、Potrzebowski, Marek
DOI:——
日期:——
Lopusinski, Andrzej; Luczak, Lech; Brzezinska, Ewa, Phosphorus and Sulfur and the Related Elements, 1987, vol. 31, p. 101 - 108