Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Kuangbiao Ma"'
Publikováno v:
The Journal of Organic Chemistry. 74:2527-2532
A new class of polycalix[4]arene hosts has been constructed based on a carbosilane dendrimer architecture, in which each dendritic branch terminates with a calix[4]arene entity. This study reports the synthesis and characterization of the zeroth gene
Autor:
Michael Bolte, Kuangbiao Ma, Stefan Scholz, Hans-Wolfram Lerner, Jan W. Bats, Matthias Wagner
Publikováno v:
Journal of Organometallic Chemistry. 664:94-105
The reaction of FcBBr2 [1; Fc=(C5H5)Fe(C5H4)] with either 4-bromo-N,N-bis(trimethylsilyl)aniline or lithium N-tert-butyltrimethylsilylamide or sodium N,N-bis(trimethylsilyl)amide or 4-methoxyaniline in the appropriate stoichiometric ratio yields mono
Publikováno v:
Journal of Organometallic Chemistry. 652:11-19
Aspects of useful applications of main group Lewis acid–base pairs for the synthesis of sophisticated organometallic architectures are reviewed. Special emphasis is put on the author's own studies of boron–nitrogen and boron–phosphorus adducts
Publikováno v:
Acta crystallographica. Section C, Structural chemistry. 71(Pt 1)
Crystal structures are reported for four (2,2′-bipyridyl)(ferrocenyl)boronium derivatives, namely (2,2′-bipyridyl)(ethenyl)(ferrocenyl)boronium hexafluoridophosphate, [Fe(C5H5)(C17H15BN2)]PF6, (Ib), (2,2′-bipyridyl)(tert-butylamino)(ferrocenyl)
Autor:
Noppawan Tanpipat, Kuangbiao Ma, Li Ding, Frank J. J. Leusen, Markus A. Neumann, Matthias Wagner, Robert E. Dinnebier, Peter W. Stephens
Publikováno v:
Organometallics. 20:5642-5647
A macrocycle, 6, has been synthesized in high yield from 2,5-di(pyrazol-1-yl)hydroquinone and 1,1‘-fc[B(Me)NMe2]2 {fc = Fe(C5H4)2}. The molecule incorporates two redox-active 1,1‘-ferrocenylene units in its backbone and contains four chiral boron
Publikováno v:
Talanta. 53:937-941
The new reagent N-(m-Methylphenyl)-N'-(sodium p-aminobenzenesulfonate)-thiourea (MMPT) was synthesized and its structure was confirmed by elemental analysis, IR, UV and (1)HNMR spectra. The apparent molar absorptivities of usual ions were determined
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 1. :1458-1472
Efficient methodology for the construction of functionalized spiranes using Ru(II)-catalyzed ring-closing metathesis reactions is described. The substrates were appropriately substituted five-, six- and seven-membered cycloalkanes which were spiroann
Publikováno v:
Acta Crystallographica Section E Structure Reports Online. 57:o846-o848
The cations and anions in the title compound, C18H22BN2+·CF3SO3−, are connected by intermolecular C—H⋯O hydrogen bonds, with H⋯O distances between 2.34 and 2.60 A, into layers parallel to the bc plane.
Publikováno v:
Dalton transactions (Cambridge, England : 2003). 39(42)
The synthesis of the fully fluorinated bis-anilido ligand N,N'-bis-pentafluorophenyl-3,4,5,6-tetrafluorophenylene-1,2-diamine, 1 is described. Reaction of one or two equivalents of 1 with AlMe(3) gives aluminium compounds incorporating one or two lig
Publikováno v:
ChemInform. 32