Intramolecular Diels-Alder reactions of quaternary pyrazinium salts and protonated pyrazinium cations. Synthesis of annelated pyridinium salts and annelated pyridines.
- 1 January 1989
- journal article
- Published by Elsevier in Tetrahedron
- Vol. 45 (20) , 6519-6530
- https://doi.org/10.1016/s0040-4020(01)89528-4
Abstract
No abstract availableThis publication has 27 references indexed in Scilit:
- Competitive intramolecular Diels-Alder reaction and intramolecular coplanar cycloamination of 3-(3-butynylthio)-1,2,4-triazin-5-onesThe Journal of Organic Chemistry, 1988
- Heterotricyclen durch intramolekulare 1,4‐Dipolare Cycloaddition von alkenylsubstituierten 3,6‐Dihydro‐6‐oxo‐1‐pyrimidinium‐4‐olatenEuropean Journal of Inorganic Chemistry, 1988
- Intramolecular Diels-Alder reactions of 6-azalumazines and 6-azapterins. A facile route to 6,7-annulated 5-deazapteridinesThe Journal of Organic Chemistry, 1988
- Intramolecular Diels-Alder reactions of 1,2,4-triazines. A facile synthesis of thieno[2,3-b]pyridines and 3,4-dihydro-2H-thiopyrano[2,3-b]pyridinesThe Journal of Organic Chemistry, 1987
- Novel ringtransformations of pyrimidines and pyridines by intramolecular inverse electron demand Diels‐Alder reactionsRecueil des Travaux Chimiques des Pays-Bas, 1987
- Ring transformations of heterocycles with nucleophilic reagents. 34. Frontier-orbital interactions in the reaction of 5-nitropyrimidine with electron-rich olefins. An example of superjacent orbital controlThe Journal of Organic Chemistry, 1986
- A mechanistic study on the degenerate ring transformation of 5-nitropyrimidine into 2-substituted 5-nitropyrimidines with nitrogen-15 labeled amidinesThe Journal of Organic Chemistry, 1986
- Ring transformations of heterocycles with nucleophiles. 33. Cycloadditions of 5-nitropyrimidines with ynamines. Formation of 3-nitropyridines, N-5-pyrimidyl-.alpha.-carbamoylnitrones, and 2,2a-dihydroazeto[2,3-d]-3,5-diazocinesThe Journal of Organic Chemistry, 1986
- Cycloadditionen mit Azabenzolen, VII1) Reaktion von Pyrimidinen mit N,N‐Diäthyl‐1‐propinylaminEuropean Journal of Organic Chemistry, 1974
- Reaktion von Pyrazinen mit 1‐Diäthylamino‐propinEuropean Journal of Organic Chemistry, 1972