The controllable phosphorylations of thioesters were developed. When the reaction was catalyzed by a palladium catalyst, aryl or alkenyl phosphoryl compounds were generated through decarbonylative coupling, while the benzyl phosphoryl compounds were produced through deoxygenative coupling when the reaction was carried out in the presence of only a base.
Ni-Catalyzed C–P Coupling of Aryl, Benzyl, or Allyl Ammonium Salts with P(O)H Compounds
作者:Bo Yang、Zhong-Xia Wang
DOI:10.1021/acs.joc.8b02926
日期:2019.2.1
C–P bonds via the nickel-catalyzed cross-coupling of organoammonium salts with appropriate phosphorus nucleophiles has been developed. Aryl-, pyridyl-, benzyl-, and allyl-ammonium triflates can be employed as the electrophiles. The employed phosphorus-based nucleophiles included diaryl/dibutyl phosphine oxide, dialkylphosphonates, and ethyl phenylphosphinate. Functional groups OMe, CN, CF3, F, Cl
Catalytic Deoxygenative Coupling of Aromatic Esters with Organophosphorus Compounds
作者:Miki B. Kurosawa、Ryota Isshiki、Kei Muto、Junichiro Yamaguchi
DOI:10.1021/jacs.0c02839
日期:2020.4.22
We have developed a deoxygenative coupling of aromatic esters with diarylphosphine oxides/dialkyl phosphonates under palladium ca-talysis. In this reaction, aromatic esters can work as novel benzylation reagents to give the corresponding benzylic phosphorus compounds. The key of this reaction is the use of phenyl esters, an electron-rich diphosphine as a ligand, and sodium formate as a hydrogen source
我们开发了在钯催化下芳族酯与二芳基膦氧化物/二烷基膦酸酯的脱氧偶联。在该反应中,芳族酯可作为新型苄基化试剂生成相应的苄基磷化合物。该反应的关键是使用苯酯、富电子二膦作为配体,以及甲酸钠作为氢源。芳基羧酸也适用于该反应,使用 (Boc)2O 作为添加剂。钯/dcype 用于激活酯的酰基 CO 键并支持甲酸钠的还原。
Reactions of primary and secondary phosphines with aldehydes and ketones
作者:M. Epstein、S.A. Buckler
DOI:10.1016/0040-4020(62)80004-0
日期:1962.1
The reactions of primary and secondary phosphines with aldehydes and ketones have been studied with particular emphasis on the effects of substituents on phosphorus, and reaction conditions. Oxygen transfer reactions are observed with both primary and secondary phosphines thus providing a new route to secondary and tertiary phosphineoxides. The scope of these reactions has been defined in terms of
Direct phosphorylation of benzylic C–H bonds under transition metal-free conditions forming sp<sup>3</sup>C–P bonds
作者:Qiang Li、Chang-Qiu Zhao、Tieqiao Chen、Li-Biao Han
DOI:10.1039/d2ra02812c
日期:——
Direct phosphorylation of benzylic C–H bonds with secondary phosphine oxides was first realized. The reaction was performed in organo/aqueous biphasic system and under transition metal-free conditions, proceeding via the cross dehydrogenative coupling.