Oxidation of a phosphinidene oxide: formation of a dioxaphosphirane oxide with oxygen scrambling

被引：16

作者：

Chu, Xianxu ^{[1
]}

Song, Chao ^{[1
]}

Yang, Yang ^{[1
]}

Zeng, Xiaoqing ^{[1
]}

机构：

[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2019年 / 55卷 / 02期

基金：

中国国家自然科学基金;

关键词：

INFRARED-SPECTRUM; SINGLET OXYGEN; COMPLEXES; PEROXIDE; PHOSPHADIOXIRANE; DECOMPOSITION; SPECTROSCOPY; REACTIVITY; CHEMISTRY; ISOMERS;

D O I：

10.1039/c8cc08945k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The oxidation of a prototypical phosphinidene oxide FP?O has been studied in O-2-doped Ar and N-2 matrices at 10 K. Upon 266 nm laser irradiation, FP?O combines with O-2 and yields the cyclic peroxide, dioxaphosphirane oxide FP(?O)(O-2). Unexpected oxygen scrambling occurs during the oxygenation as evidenced by the observation of a 1:2 mixture of FP(?O-16)((OO)-O-18-O-18) and FP(?O-18)((OO)-O-16-O-18) when O-18(2) was used. Quantum chemical calculations suggest that the scrambling happens via the intermediacy of the low-lying triplet FPO3 by passing minimum energy crossing points (MECPs). In addition, inorganic dioxophosphorane FP(?O)(2) has been also identified among the oxidation products of FP?O.

引用

页码：245 / 248

页数：4

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