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Isolation of a (Dinitrogen)Tricopper(I) Complex

Leslie J. Murray   * † ,  Walter W. Weare   ‡ ,  Jason Shearer   § ,  Alyssa D. Mitchell   † , and  Khalil A. Abboud † †  Department of Chemistry, Center for Catalysis, University of Florida , Gainesville, Florida 32611,  United States ‡  Department of Chemistry,  North Carolina State University , Raleigh, North Carolina 27695,  United States §  Department of Chemistry,  University of Nevada , Reno, Reno, Nevada 89557,  United States J. Am. Chem. Soc. , Article ASAP DOI:  10.1021/ja506445d Publication Date (Web): September 19, 2014 Copyright © 2014 American Chemical Society murray@chem.ufl.edu Abstract Reaction of a tris(β-diketimine) cyclophane, H 3 L , with benzyl potassium followed by [Cu(OTf)] 2 (C 6 H 6 ) affords a tricopper(I) complex containing a bridging dinitrogen ligand. rRaman (ν N–N  = 1952 cm –1 ) and  15 N NMR (δ = 303.8 ppm) spectroscopy confirm ...

Iron and Chromium Complexes Containing Tridentate Chelates Based on Nacnac and Imino- and Methyl-Pyridine Components: Triggering C–X Bond Formation

Inorganic Chemistry: Latest Articles (ACS Publications)  by Wesley D. Morris, Peter T. Wolczanski, Jörg Sutter, Karsten Meyer, Thomas R. Cundari and Emil B. Lobkovsky  /   16h   //   keep unread   //   hide   //  preview Inorganic Chemistry DOI: 10.1021/ic500807y Visit Website

Redox Chemistry of Nickel(II) Complexes Supported by a Series of Noninnocent β-Diketiminate Ligands

髙市さんの置き土産 Article Previous Article Next Article Articles ASAP Redox Chemistry of Nickel(II) Complexes Supported by a Series of Noninnocent β-Diketiminate Ligands ACS ActiveView PDF Hi-Res Print, Annotate, Reference QuickView PDF  [2349 KB] PDF w/ Links [468 KB] Full Text HTML Abstract Supporting Info -> Figures Reference QuickView Add to ACS ChemWorx June Takaichi   † ,  Yuma Morimoto   † ,  Kei Ohkubo   † , Chizu Shimokawa   ‡ ,  Takayuki Hojo   § ,  Seiji Mori * § ,  Haruyasu Asahara   ,  Hideki Sugimoto   † , Nobutaka Fujieda   † ,  Nagatoshi Nishiwaki   , Shunichi Fukuzumi   † , and  Shinobu Itoh   * † †  Department of Material and Life Science, Division of Advanced Science and Biotechnology, Graduate School of Engineering,  Osaka University , 2-1 Yamadaoka, Suita, Osaka 565-0871,  Japan ‡  Department of Medic...

Iron Complexes Derived from {nacnac-(CH2py)2}− and {nacnac-(CH2py)(CHpy)}n Ligands: Stabilization of Iron(II) via Redox Noninnocence

Valerie A. Williams   † ,  Peter T. Wolczanski   * † ,  Jörg Sutter   ‡ ,  Karsten Meyer   ‡ ,  Emil B. Lobkovsky   † , and Thomas R. Cundari   § †  Baker Laboratory, Department of Chemistry & Chemical Biology,  Cornell University , Ithaca, New York 14853,  United States ‡  Department of Chemistry & Pharmacy,  University of Erlangen-Nuremberg , Egerlandstrasse 1. D-91058 Erlangen,  Germany §  Department of Chemistry, Center for Advanced Scientific Computing and Modeling (CASCaM), University of North Texas , Box 305070, Denton, Texas 76203-5070,  United States Inorg. Chem. , Article ASAP DOI:  10.1021/ic5001123 Publication Date (Web): April 24, 2014 Copyright © 2014 American Chemical Society *E-mail:  ptw2@cornell.edu . Fax:  607 255 4173 . Synopsis Nanac-based tetradentate chelates, {nacnac-(CH2py)2}− ({nn(PM)2}−) and {nacnac-(CH2py)(CHpy)}n ({nn(PM)...

Synthesis and Thermal Decomposition of a Pyridylene-Bridged bis-ß-Diketiminate Magnesium Hydride Cluster

Sjoerd Harder  ,  Jan Spielmann  and  Julia Intemann Received 19th March 2014  , Accepted 11th April 2014 First published on the web 14th April 2014 Reaction of PYR-(MgnBu)2, in which PYR is 2,6-[(DIPP)NC(Me)CHC(Me)N-]2-pyridine and DIPP is 2,6-iPr2-phenyl, with (DIPP)NH2BH3 gave PYR-[MgNH(DIPP)BH3]2 (56%) which was characterized by crystal structure determination. Addition of THF resulted in ß-H elimination and formation of PYR-[MgNH(DIPP)BH3](MgH)∙THF (57%), likewise characterized by crystal structure determination. Conversion of the second amidoborane anion in Hˉ could not be achieved. Reaction of PYR-(MgnBu)2 with PhSiH3 gave PYR-(MgH)2 which crystallized as a dimer. The structure of [PYR-(MgH)2]2 shows a 8-membered ring of Mg2+ and Hˉ ions. Thermal decomposition at 130 °C releases one equivalent of H2, i.e. 50% of the expected value. Nucleophilic attack at the para-position and reduction of the pyridylene bridge might explain reduced H2 release. ...

C–H and C–O bond activation with a rhodium(I) β-diiminate complex

Nicolle N. P. Langer , a      Gurmeet Singh Bindra b  and   Peter H. M. Budzelaar * b    Show Affiliations Dalton Trans. , 2014, Advance Article DOI:  10.1039/C4DT00309H Received 29 Jan 2014, Accepted 26 Mar 2014 First published online 03 Apr 2014 | | Share on citeulike | Share on facebook | Share on twitter | | More PDF Rich HTML    Send PDF to Kindle Download Citation BibTex   EndNote   MEDLINE   ProCite   ReferenceManager   RefWorks   RIS   Request Permissions Abstract Cited by Related Content Metrics   Complex LRh(COE) [L = (2,6-Me 2 C 6 H 3 NCMe) 2 CH; COE = cyclooctene] reacts with oxirane, methyloxirane and 2,2-dimethyloxirane to eventually produce LRh(COE)(CO) and alkane (methane, ethane, propane). This reaction and other aspects of the reactivity of the “LRh” fragment (hydrogenation of olefins and benzene) ...

Well-Defined Four-Coordinate Iron(II) Complexes For Intramolecular Hydroamination of Primary Aliphatic Alkenylamines†

Dr. Elise Bernoud ‡ ,  Dr. Pascal Oulié ‡ ,  Dr. Régis Guillot,  Dr. Mohamed Mellah and Dr. Jérôme Hannedouche * Article first published online: 1 APR 2014 DOI: 10.1002/anie.201402089 © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Keywords: alkenes; amines; homogeneous catalysis; hydroamination; iron Abstract Despite the growing interest in iron catalysis and hydroamination reactions, iron-catalyzed hydroamination of unprotected primary aliphatic amines and unactivated alkenes has not been reported to date. Herein, a novel well-defined four-coordinate β-diketiminatoiron(II) alkyl complex is shown to be an excellent precatalyst for the highly selective cyclohydroamination of primary aliphatic alkenylamines at mild temperatures (70–90 °C). Both empirical kinetic analyses and the reactivity of an isolated iron(II) amidoalkene dimer, [LFe(NHCH 2 CPh 2 CH 2 CH CH 2 )] 2  favor a stepwise σ-insertive mechanism that entails m...

A Two-Coordinate Manganese(0) Complex with an Unsupported Mn–Mg Bond: Allowing Access to Low Coordinate Homo- and Heterobimetallic Compounds

Communication ACS ActiveView PDF Hi-Res Print, Annotate, Reference QuickView PDF  [681 KB] PDF w/ Links [254 KB] Full Text HTML Abstract Supporting Info -> Figures Reference QuickView Add to ACS ChemWorx Jamie Hicks   † ,  Chad E. Hoyer   ‡ ,  Boujemaa Moubaraki   † ,  Giovanni Li Manni   ‡ ,  Emma Carter   § , Damien M. Murphy   § ,  Keith S. Murray   † ,  Laura Gagliardi   ‡ , and  Cameron Jones   * † †  School of Chemistry,  Monash University , Melbourne, Victoria, 3800,  Australia ‡  Department of Chemistry and Minnesota Supercomputing Institute,  University of Minnesota  207 Pleasant St, SE Minneapolis, Minnesota 55455-0431, United States §  School of Chemistry,  Cardiff University , Cardiff, CF10 3AT,  United Kingdom J. Am. Chem. Soc. , Article ASAP DOI:  10.1021/ja5021348 Publication Date (Web): Mar...