Direct, oxidative halogenation of diaryl- or dialkylphosphine oxides with (dihaloiodo)arenes
作者:Jasmin Eljo、Graham K. Murphy
DOI:10.1016/j.tetlet.2018.06.044
日期:2018.8
The oxidative halogenation of diaryl- or dialkylphosphine oxides with the hypervalent iodine reagents (difluoroiodo)toluene (p-TolIF2, 1) and (dichloroiodo)benzene (PhICl2, 2) is reported. Phosphoric fluorides could be recovered in 32–75% yield, or they could be trapped with EtOH to give the corresponding phosphinate in typically good yield. Phosphoric chlorides were not readily isolable, and were
Ruthenium-Catalyzed C–H Activation/Cyclization for the Synthesis of Phosphaisocoumarins
作者:Youngchul Park、Incheol Jeon、Seohyun Shin、Jiae Min、Phil Ho Lee
DOI:10.1021/jo401608v
日期:2013.10.18
ruthenium-catalyzed oxidative cyclization of phosphonic acidmonoesters or phosphinic acids with alkynes has been developed for the synthesis of a wide range of phosphaisocoumarins in good to excellent yields under aerobic conditions. A multitude of arylphosphonic acidmonoesters and arylphosphinic acids having electron-donating and -withdrawing groups were oxidatively cyclized. Various diarylacetylenes
Copper-catalyzed oxidative cross-dehydrogenative coupling (CDC) reaction of alcohols with secondary phosphine oxides
作者:Yingxiang Hua、Yanchao Lin、Wenyi Chen、Liyi Ye、Yingwu Yin、Yuxing Gao、Song Tu
DOI:10.1016/j.tetlet.2022.153822
日期:2022.6
A copper-catalyzedoxidative cross-dehydrogenative coupling (CDC) strategy of secondary phosphine oxides and alcohols for the synthesis of various phosphinate esters was proposed. Under the mild reaction conditions (CuCl2·2H2O/K2S2O8, at room temperature for 3–12 h under air), a variety of substrates were well-tolerated and afforded the desirable compounds in moderate to excellent yields.
提出了一种铜催化氧化交叉脱氢偶联 (CDC) 策略的仲氧化膦和醇,用于合成各种次膦酸酯。在温和的反应条件下(CuCl 2 ·2H 2 O/K 2 S 2 O 8,在室温下,空气中反应 3-12 h),多种底物具有良好的耐受性,并以中等至优异的产率提供了所需的化合物.
Synthesis of Aromatic Phosphonic Acids and Their Derivatives. I. The Derivatives of Benzene, Toluene and Chlorobenzenes
作者:Gennady M. Kosolapoff、W. Frederick Huber
DOI:10.1021/ja01200a059
日期:1947.8
Rhodium-Catalyzed Oxidative C-H Activation/Cyclization for the Synthesis of Phosphaisocoumarins and Phosphorous 2-Pyrones
作者:Youngchul Park、Jungmin Seo、Sangjune Park、Eun Jeong Yoo、Phil Ho Lee
DOI:10.1002/chem.201302652
日期:2013.11.25
Rhodium‐catalyzed cyclization of phosphinic acids and phosphonic monoesters with alkynes has been developed. The oxidative annulation proceeds with complete conversion of phosphinic acid derivatives and allowed the atom‐economic preparation of useful phosphaisocoumarins with high yield and selectivity. The reaction is tolerant of extensive substitution on the phosphinic acid, phosphonic monoester and alkyne, including