Advances in Heterocyclic Chemistry, Volume 64
Academic Press, Dec 12, 1995 - Science - 368 pages
Established in 1960, Advances in Heterocyclic Chemistry is the definitive serial in the area--one of great importance to organic chemists, polymer chemists, and many biological scientists. Every fifth volume ofAdvances in Heterocyclic Chemistry contains a cumulative subject index.
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Versatile Tools in Heterocyclic Synthesis
Chapter 4 Recent Developments in RingChain Tautomerism I Intramolecular Reversible Addition Reactions to the CO Group
Chapter 5 S Se and TePerfluoroalkyldibenzothiopheniurn selenophenium and tellurophenium Salts
Chapter 6 13Oxazinium and 3Azapyrylium Salts
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3-azapyrylium salts A. R. Katritzky acid Acta acyl afford aldehydes alkyl amino aromatic atom aza-Wittig reaction azides bond Bull C-NMR carbodiimide carbonyl CDCl3 solution Chem Chemistry Chim chloride compounds condensation COOEt COOH cyclic isomers cyclic tautomer cyclization cycloaddition derivatives dimethyl electron-withdrawing equilibrium constants esters formation formed fused Geterotsikl give H-NMR hydrazone Imafuku iminophosphorane intermediate intramolecular isocyanate isomeric isomers J. C. S. Chem J. C. S. Perkin ketones Khim Liebigs Ann methyl mixture Molina N-protected N=PPh Nozoe nucleophilic obtained open-chain isomers open-chain tautomer oxidation Ph Ph Pharm phosphane phosphorane PPh3 prepared pyrazole pyridine pyrrole react reactive ring closure ring-chain equilibrium ring-chain tautomeric S-salt shown in Scheme Soedin solvent stability Staudinger reaction steric structure substituents synthesis t-Bu tautomer tautomeric Tetrahedron Lett tion transformed triazole Trifluoromethylation triphenylphosphane tropolones tropone tropylium tropylium salts Wamhoff yield