Zobrazeno 1 - 10 of 38 pro vyhledávání: '"Axel, Herzog"'
1
Camouflaged Carborarods Derived fromB-Permethyl-1,12-diethynyl-para- andB-Octamethyl-1,7-diethylnyl-meta-carborane Modules
Autor: Carolyn B. Knobler, Axel Herzog, M. Frederick Hawthorne, Satish S. Jalisatgi, Timothy J. Wedge
Publikováno v: Chemistry - A European Journal. 11:7155-7174
Rigid camouflaged carborarods constructed from the corresponding C,C'-diethynyl derivatives of B-decamethyl-1,12-dicarbadodecaborane(12) (6) and B-octamethyl-1,7-dicarbadodecaborane(12) (48) have been synthesized by largely conventional organic trans
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ead0c9740e1cb0220f367fc378f828e5
https://doi.org/10.1002/chem.200500339
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3
Metal−Metal Communication through Carborane Cages Supporting Electroactive [η5-CpFe(CO)2] Substituents
Autor: Mark W. Lee, M. Frederick Hawthorne, Timothy J. Wedge, Carolyn B. Knobler, Ramon Huertas, Axel Herzog
Publikováno v: Organometallics. 23:482-489
A family of η5-CpFe(CO)2-substituted closo-carboranes was synthesized and characterized, including cyclic voltammetry measurements. Like the previously reported bimetallic compound 1,12-[η5-CpFe(CO)2]2-1,12-C2B10H10 (8), 1,10-[η5-CpFe(CO)2]2-1,10-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::068bd462ae30dc11e89c5f0707dfba31
https://doi.org/10.1021/om030514h
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4
The Synthesis of Carboracycles Derived from B,B′-Bis(aryl) Derivatives of Icosahedral ortho-Carborane
Autor: Michael J. Bayer, M. Frederick Hawthorne, Axel Herzog, Hans Lee, Martin Diaz, Carolyn B. Knobler, George A. Harakas
Publikováno v: Chemistry - A European Journal. 9:2732-2744
Reactions of both closo-9,12-I2-1,2-C2B10H10 and closo-9,10-I2-1,7-C2B10H10 with an excess of aryl magnesium bromide in the presence of [PdCl2(PPh3)2] afford the corresponding closo-9,12-(4-R-C6H4)2-1,2-C2B10H10 [R=H (1), Me (2), OMe (3), SMe (4), N(
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6678ec0e67cbf26f91fcfebcc8113793
https://doi.org/10.1002/chem.200304803
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5
Synthesis, Structure, and Reactivity of closo-2,3,4,5,6,7,8,9,10,11-Decahydroxy-1,12-bis(sulfonic acid)-1,12-dicarbadodecaborane(12)
Autor: M. F. Hawthorne, Carolyn B. Knobler, Axel Herzog
Publikováno v: Journal of the American Chemical Society. 123:12791-12797
The reaction of closo-1,12-bis(lithio)-1,12-dicarbadodecaborane(12) (1,12-bis(lithio)-p-carborane) with SO(2) formed closo-1,12-bis(lithiosulfinato)-p-carborane (10) in nearly quantitative yield. The latter was converted to closo-1,12-bis(sulfinic ac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59512a21b3e89382ad20d33f157dc853
https://doi.org/10.1021/ja011917g
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6
A new method for surgical repair of impression fractures of the cranial vault and frontal sinus with rivet-like titanium clamps
Autor: Axel Herzog, Manfred Lange, Ulrich Fink, Bertold Andreas Wörner, Reinhard Oeckler
Publikováno v: Neurosurgical Review. 24:83-87
Conventional methods of stabilizing fragments in cranial impression fracture include the use of threads, wires, plates, etc. A new approach to facilitate this surgery is the use of titanium clamps, presented here in five cases, including one with fro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::262850367a8d470befb91e5304e5d4e0
https://doi.org/10.1007/pl00014586
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7
Aromatische polyedrische Hydroxyborate: eine Brücke zwischen Boroxiden und Borhydriden
Autor: Axel Herzog, Carolyn B. Knobler, Toralf Peymann, M. Frederick Hawthorne
Publikováno v: Angewandte Chemie. 111:1129-1132
Keine Explosion, sondern per-Borhydroxylierung tritt ein, wenn die ikosaedrischen Borhydride [closo-B12H12]2−, [closo-CB11H12]− oder closo-1,12-(CH2OH)2-1,12-C2B10H10 in 30proz. Wasserstoffperoxid unter Ruckflus erhitzt werden. Bei diesen Umsetzu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::541564963fdc21156f1ff6009c82ddfa
https://doi.org/10.1002/(sici)1521-3757(19990419)111:8<1129::aid-ange1129>3.0.co
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8
Aromatic Polyhedral Hydroxyborates: Bridging Boron Oxides and Boron Hydrides
Autor: M. Frederick Hawthorne, Toralf Peymann, Carolyn B. Knobler, Axel Herzog
Publikováno v: Angewandte Chemie International Edition. 38:1061-1064
No explosion, but per-B-hydroxylation occurs if the icosahedral boron hydrides [closo-B12 H12 ](2-) (see picture), [closo-CB11 H12 ](-) , or closo-1,12-(CH2 OH)2 -1,12-C2 B10 H10 are refluxed in 30 % hydrogen peroxide. Thus, the three isoelectronic s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac210ad7f318638879dbdca58e9798d5
https://doi.org/10.1002/(sici)1521-3773(19990419)38:8<1061::aid-anie1061>3.0.co
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9
A Camouflagednido-Carborane Anion: Facile Synthesis of Octa-B-methyl-1,2-dicarba-closo-dodecaborane(12) and Its Deboration Reaction
Autor: M. Frederick Hawthorne, Andreas Maderna, Axel Herzog, George N. Harakas, Carolyn B. Knobler
Publikováno v: Chemistry - A European Journal. 5:1212-1217
Facile, efficient, and economical is the exhaustive methylation of ortho-carborane, its isomers and its derivatives under Friedel–Crafts conditions utilizing MeI and AlCl3. Regioselectively, ortho-carborane yields the 4,5,7,8,9,10,11,12-octamethyl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::32d943a79381d64feb60411f4a5e7ba0
https://doi.org/10.1002/(sici)1521-3765(19990401)5:4<1212::aid-chem1212>3.0.co
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