Quarterly Journal of the Chemical Society of London, Issue 1, Pages 1-844 |
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Page 24
... nitrogen ls levels . Considering the limit basis set and the approximations inherent in this approach the correlations are quite promising . Particu- larly striking is the way the grouping of N1 , orbitals is Orbital energy ( ev ) Nis ...
... nitrogen ls levels . Considering the limit basis set and the approximations inherent in this approach the correlations are quite promising . Particu- larly striking is the way the grouping of N1 , orbitals is Orbital energy ( ev ) Nis ...
Page 100
... nitrogen atoms possess large negative charges ( -0.735e ) arising from a large σ electron drift ( 1.144e ) from the boron atoms ( 0 · 422e ) and from hydrogens ( 0 · 299e ) attached to nitrogen . Superimposed on this is a substantial ...
... nitrogen atoms possess large negative charges ( -0.735e ) arising from a large σ electron drift ( 1.144e ) from the boron atoms ( 0 · 422e ) and from hydrogens ( 0 · 299e ) attached to nitrogen . Superimposed on this is a substantial ...
Page 286
... nitrogen lone pair of pyridine is deduced to have an ionization potential of 9.8 ev . WHEN a nitrogen atom is present in a cyclic aromatic structure , its 2p lone pair of electrons may either contribute to the aromatic π - system , as ...
... nitrogen lone pair of pyridine is deduced to have an ionization potential of 9.8 ev . WHEN a nitrogen atom is present in a cyclic aromatic structure , its 2p lone pair of electrons may either contribute to the aromatic π - system , as ...
Contents
The Wittig Rearrangement of Some Allyl Ethers by V RAUTENSTRAUCH | 4 |
The Mechanism of the Thermal Rearrangement of 1Substituted 1HAzepines to 6Aminofulvenes | 10 |
A Twoelectron Hydrogen Bridge Bond in Crystalline Trimethylaluminium Dimer by SUSAN K BYRAM | 16 |
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Common terms and phrases
absorption acetic acetonitrile acid Acta adduct alcohol alkaloids alkyl Amax Amer aqueous aromatic assigned atoms band benzene bond lengths bromide calculated carbanion carbon carbonyl chelate Chem Chemical Society Chim chloride cm-¹ co-ordinated Comm complex compounds configuration corresponding crystal structure cyclic Department of Chemistry derivatives dimer electron energy enol ester ether Figure formation formed gave hydrogen hydrolysis i.r. spectra ibid indicated Inorg intermediate irradiation isolated isomeric isomers ketone ligand mass spectrum metal methanol methylene mixture molecular molecule n.m.r. spectrum nitrogen observed obtained orbital oxidation oxygen peaks phenyl photolysis Phys planar presence protons pyridine radical ratio reaction reagent rearrangement Received reduction reported resonance ring room temperature salt shown singlet sodium solution solvent space group spectroscopic stereochemistry suggested sulphur Summary synthesis Tetrahedron Letters tetrahydrofuran tion University Vmax X-ray yield