Synthesis of α-Tertiary Amine Derivatives by Intermolecular Hydroamination of Unfunctionalized Alkenes with Sulfamates under Trifluoromethanesulfonic Acid Catalysis
作者:Jun Fei、Zhen Wang、Zheren Cai、Hao Sun、Xu Cheng
DOI:10.1002/adsc.201500646
日期:2015.12.14
An efficient and mild trifluoromethanesulfonic acid-catalyzed hydroamination of unfunctionalized alkenes to afford α-tertiary amine derivatives at temperatures as low as room temperature is reported. 2,2,2-Trifluoroethyl sulfamate was found to be the optimal nitrogen source because its good solubility in both organic solvents and water facilitated both conversion and purification. The reaction conditions
Carbonic Anhydrase Inhibitors: Inhibition of Transmembrane, Tumor-Associated Isozyme IX, and Cytosolic Isozymes I and II with Aliphatic Sulfamates
作者:Jean-Yves Winum、Daniela Vullo、Angela Casini、Jean-Louis Montero、Andrea Scozzafava、Claudiu T. Supuran
DOI:10.1021/jm030911u
日期:2003.12.1
aliphatic sulfamates and related derivatives incorporating cyclic/polycyclic (steroidal) moieties in their molecules has been synthesized and assayed as inhibitors of the zinc enzyme carbonic anhydrase (CA) and, more precisely, of the cytosolic isozymes CA I and II and the transmembrane, tumor-associated isozyme CA IX. The most potent CA I inhibitor was n-tetradecyl sulfamate and some (substituted)benzyl/phenethyl
Analyzing Site Selectivity in Rh<sub>2</sub>(esp)<sub>2</sub>-Catalyzed Intermolecular C–H Amination Reactions
作者:Elizabeth N. Bess、Ryan J. DeLuca、Daniel J. Tindall、Martins S. Oderinde、Jennifer L. Roizen、J. Du Bois、Matthew S. Sigman
DOI:10.1021/ja5015508
日期:2014.4.16
Predicting site selectivity in C–H bond oxidation reactions involving heteroatom transfer is challenged by the small energetic differences between disparate bond types and the subtle interplay of steric and electronic effects that influence reactivity. Herein, the factorsgoverningselective Rh2(esp)2-catalyzed C–H amination of isoamylbenzene derivatives are investigated, where modification to both
[EN] PROCESSES FOR PREPARING COMPLEXES COMPRISING RHODIUM(II) AND CARBOXYLATE LIGANDS<br/>[FR] PROCÉDÉS DE PRÉPARATION DE COMPLEXES COMPRENANT DU RHODIUM(II) ET DES LIGANDS CARBOXYLATE
申请人:STOCKHOLM UNIV HOLDING AB
公开号:WO2019025575A1
公开(公告)日:2019-02-07
There is provided herein a process for the preparation of a complex of formula (I): Rh(II)2 Xn, wherein X and n have meanings provided in the description, comprising the step of reacting: (a) a source of Rh(III); and (b) a source of X, wherein the reaction is performed in the presence of: (c) a suitable reducing agent, and wherein the reaction is performed under basic conditions.