1243121-49-4Relevant academic research and scientific papers
Cooperative Metal-Ligand Catalyzed Intramolecular Hydroamination and Hydroalkoxylation of Allenes Using a Stable Iron Catalyst
El-Sepelgy, Osama,Brzozowska, Aleksandra,Sklyaruk, Jan,Jang, Yoon Kyung,Zubar, Viktoriia,Rueping, Magnus
supporting information, p. 696 - 699 (2018/02/09)
A new iron-catalyzed chemoselective intramolecular hydroamination and hydroalkoxylation of the readily available α-allenic amines and alcohols to valuable unsaturated 5-membered heterocycles, 2,3-dihydropyrrole and 2,3-dihydrofuran, is reported. Effective
Asymmetric intermolecular heck reaction of aryl halides
Wu, Chunlin,Zhou, Jianrong
supporting information, p. 650 - 652 (2014/02/14)
The asymmetric intermolecular Heck reaction has been limited to aryl and vinyl triflates. Herein, we extend the reaction to aryl and vinyl bromides. Various cyclic olefins coupled with high enantioselectivity. Only bisphosphine oxides on a spiro backbone formed highly stereoselective Pd catalysts. The use of alcoholic solvents and alkylammonium salts were essential to promote halide dissociation from neutral arylpalladium complexes.
Selective and efficient cycloisomerization of alkynols catalyzed by a new ruthenium complex with a tetradentate nitrogen-phosphorus mixed ligand
Liu, Fei Nian,Su, Fu Hai,Wen, Ting Bin,Sung, Herman H.-Y.,Williams, Ian D.,Jia, Guochen
experimental part, p. 7889 - 7897 (2010/09/10)
The new ruthenium complex [Ru(N3P)(OAc)][BPh4] (4), in which N3P is the N,P mixed tetradentate ligand N,N-bis[(pyridin-2-yl)methyl]-[2(diphenylphosphino)phenyl]methanamine was synthesized. The complex was found to be catalytically active for the endo cycloisomerization of alkynols. The catalytic reactions can be used to synthesize five-, six-, and seven-membered endo-cyclic enol ethers in good to excellent yields. A catalytic cycle involving a vinylidene intermediate was proposed for the catalytic reactions. Treatment of complex 4 with PhC≡CH and H2O gave the alkyl complex [Ru(CH2PhJ(CO)(N 3P)][BPh4] (30), which supports the assumption that the catalytic reactions involve addition of a hydroxyl group to the C=C bond of vinylidene ligands.
