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Autor:
Reiner Anwander, Daniel Werner
Publikováno v:
Journal of the American Chemical Society. 140:14334-14341
The elusive Takai olefination reagent, namely, the iodo-methylidene Cr(III) complex [Cr2Cl4(CHI)(thf)4], has been isolated by careful handling of the reaction between CrCl2 and CHI3 in THF at −35 °C. Alternatively, treatment of [Cr(OSi(OtBu)3)2] w
Autor:
Johannes A. M. Hepperle, Brooks J. Culotta, Gerhard Erker, Allan Jay P. Cardenas, Stefan Grimme, Jeffrey L. Petersen, Roland Fröhlich, Armido Studer, Timothy H. Warren, Gerald Kehr, Constantin G. Daniliuc, Annika Stute, Birgitta Schirmer, Muhammad Sajid
Publikováno v:
Journal of the American Chemical Society
The intramolecular cyclohexylene-bridged P/B frustrated Lewis pair [Mes(2)P-C(6)H(10)-B(C(6)F(5))(2)] 1b reacts rapidly with NO to give the persistent FLP-NO aminoxyl radical 2b formed by P/B addition to the nitrogen atom of NO. This species was full