Carbon Rich Compounds I by Prof. Armin de Meijere (auth.)

By Prof. Armin de Meijere (auth.)

Carbon wealthy Compounds are outlined the following as carbon skeletons with a carbon to hydrogen ratio of 1:(=<1) consisting of all-carbon compounds (i.e. carbon allotropes). the present quantity covers sleek tools for the training and transformation of polycyclic fragrant compounds together with substructures of C60-fullerene and novel hugely advanced cyclophanes. A graph theoretical remedy provides a substitution rule, permitting the outline of already present constructions and likewise the definition of latest difficult man made goals. within the moment a part of this quantity, the synthesis and specified chemistry of oligocyclic compounds including 5- and 6-membered earrings, so-called centro-polyhydrindanes in addition to oligoquinanes, specifically hugely unsaturated ones, are discussed.

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S cation binder (101) [136] is an example of a cylinder-graph homeomorph. ’s saddle-shaped macrocycle (102) [137]. ’s calix[4]arene dimer (103, R=t-butyl) [138, 139] and trimer (104, R=t-butyl) will represent a square based cylinder and triangular oligomer, respectively. Diederich and Peterson’s steroid receptor (105) [140] combines various-elements into a sophisticated structure depictable as a hexagonal dimer graph. PAHs are attractive structures for chemists working with graph theory. Pyrene (106) and coronene (63) [80] are among the simplest polycycles with the graphic presentations or “inner duals” [2, 3] as shown.

4 Centrohexaindane . . . . . . . . . . Anions of PAHs as Synthetic Precursors . . . Ring Transformations of Heterocyclic Compounds The Dötz Reaction . . . . . . . . . 9 References . . . . . . . . . . . . . . . . 82 . . . . . . . . . . . . . . . . . . . . . . . . Abbreviations Ac Ar Bu cod Cp DA dba DDQ DMA DME DMF DMG DNA dppp EPR Et FMOC FP FVP HMPA ISNA ISPAC L Me NMR acetyl aryl butyl 1,5-cyclooctadiene cyclopentadienyl Diels-Alder reaction dibenzylideneacetone 2,3-dichloro-5,6-dicyanobenzoquinone N,N-dimethylacetamide 1,2-dimethoxyethane N,N-dimethylformamide directing metallation group de(s)oxyribonucleic acid 1,3-bis(diphenylphosphino)propane electron paramagnetic resonance (spectroscopy) ethyl fluorenylmethoxycarbonyl flow pyrolysis flash vacuum pyrolysis hexamethylphosphoric triamide International Symposium on Novel Aromatics International Symposium on Polycyclic Aromatic Compounds ligand methyl nuclear magnetic resonance (spectroscopy) .

1 Intermolecular Reactions . . . . . . . . . . 2 Intramolecular Reactions . . . . . . . . . . 3 Intermolecular Cross Coupling Reactions between Aromatic Electrophiles and Nucleophiles . . . . . . . . . . . . . . . 50 52 53 55 . . . 56 . . . 60 . . . 60 . . . . . . . . . . 62 63 63 64 . . . 65 Topics in Current Chemistry, Vol. 196 © Springer Verlag Berlin Heidelberg 1998 46 S. Hagen · H. 5 Oxazoline Coupling (Meyer’s Coupling) . .

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