Pathways in the reactions of nitronate ions with sulphonyl halides
作者:Paul E. Pigou、Charles J. M. Stirling
DOI:10.1039/p29880000725
日期:——
Primary and tertiary nitronate ions and sulphonyl bromides and iodides rapidly equilibrate with the nitrohalides and sulphinate ion. Products are determined by solvent and by the occurrence of cross-equilibrium reactions, some of which have single-electron-transfer mechanisms. The reaction of arene-sulphinate and -thiolate ions with 1,2-dibromo-2-nitro-1-phenylethane gave E-β-nitrostyrene by Z-philic
The reaction of carbanions with 2-substituted-2-nitropropanes
作者:Glen A. Russell、Boguslaw Mudryk、Francisco Ros、Mikolaj Jawdosiuk
DOI:10.1016/0040-4020(82)80123-3
日期:1982.1
The reaction of mono-enolate anions with O2NCMe2X where X = Cl, NO2, p-MePhSO2 yield coupling (RCOCH(R′)(CMe2NO2) and enolate dimerization products (RCOCH(R′)CH(R′)COR) by free radical chain mechanisms involving bimolecular substitution or electrontransferreactions between the enolate anion and the intermediate nitro alkane radical anion (XCMe2NO2−).
单烯酸根阴离子与X = Cl,NO 2,p -MePhSO 2的O 2 NCMe 2 X反应产生偶联(RCOCH(R')(CMe 2 NO 2)和烯醇二聚产物(RCOCH(R')CH (R')COR)通过涉及烯醇阴离子和中间体硝基烷烃自由基阴离子之间的双分子取代或电子转移反应的自由基链机构(XCMe 2 NO 2 - )。
Trapping of radicals by dialkyl phosphite ions; synthesis of α-nitroalkylphosphonates by S<sub>RN</sub>1 reactions
作者:Glen A. Russell、James Hershberger
DOI:10.1039/c39800000216
日期:——
Dialkylphosphite ions and geminal chloro- or arylsulphonyl-nitroalkanes react by a freeradical chain mechanism to form dialkyl α-nitroalkylphosphonates.