Results 141 to 150 of about 976 (164)

ChemInform Abstract: SYNTHESIS OF 1,2,4‐TRIAZINES, VIII. SYNTHESIS OF 1,2,4‐TRIAZINE 4‐OXIDES

Chemischer Informationsdienst, 1978
AbstractDie aus den Hydrazono‐oximen (I) und den Orthocarbonsäureestern (II) erhältlichen Esterhydrazone (III) werden beim Erhitzen in Benzonitril (200°C) zu den Triazinoxiden (IV) cyclisiert.
V. BOEHNISCH, G. BURZER, H. NEUNHOEFFER
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1,2,4‐triazines. III. A convenient synthesis of 1,2,4‐triazines and their covalent hydration

Journal of Heterocyclic Chemistry, 1970
AbstractA general synthesis of 1,2,4‐triazines, from 3‐methylthiotriazines is described. It has been shown that 1,2,4‐triazines undergo covalent hydration across the N4‐C5 bond.
William W. Paudler, Teh‐Kuei Chen
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ChemInform Abstract: 1,2,4‐Triazine. Part 6. Synthesis of 6‐Ethynyl‐1,2,4‐triazines from 6‐ Bromo‐1,2,4‐triazines Through Pd‐Catalyzed Coupling Reaction.

ChemInform, 1997
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
J.‐K. LEE, I. R. JUNG, K.‐A. KIM, S.‐J. CHANG   +3 more
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ChemInform Abstract: CHEMISTRY OF 1,2,4‐TRIAZINES, VII. REACTIONS OF 1,2,4‐TRIAZINE 4‐OXIDES

Chemischer Informationsdienst, 1976
AbstractDie Hydrolyse der Triazin‐N‐oxide (I) verläuft unter Ringöffnung zu den Hydraziden (II), und zwar in alkalischer Lösung leichter, als in saurer.
HANS NEUNHOEFFER, VOLKER BOEHNISCH
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Darstellung neuer substituierter 1,2,4‐Triazin‐6‐carbonsäuren und 1,2,4‐Triazin‐6‐yl‐alkancarbonsäuren

Journal für Praktische Chemie, 1987
Synthesis of New Substituted as‐Triazine‐6‐carboxylic Acids and as‐Triazine‐6‐yl‐alkanoic AcidsNew substituted 3‐amino‐, 5‐amino‐ and 3,5‐diamino‐as‐triazine‐6‐carboxylic acids 4a, b, 5a, b and 6 were obtained by the hydrolysis 6‐azalumazine derivatives 3a–e.
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Nucleophilic substitution of 1,2,4‐triazines

Journal of Heterocyclic Chemistry, 1985
AbstractThe reaction of 3‐(methylthio)‐5‐carbethoxy‐1,2,4‐triazine (5) with ammonia was found to yield products from not only ammonia but also methanethiolate displacements. An account of the transformations and the products observed is given. The 3‐position of 3,6‐bis(methylthio)‐5‐carbamoyl‐1,2,4‐triazine (7) was shown to be more reactive than the 6 ...
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Energetic 1,2,4-Triazines: 3,5-Diamino-6-nitro-1,2,4-triazine and Its Oxide

Crystal Growth & Design, 2021
Shannon E. Creegan, Matthias Zeller, Edward F. C. Byrd, Davin G. Piercey   +3 more
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ChemInform Abstract: 1,2,4‐TRIAZINES. SYNTHESIS OF SELECTED MEMBERS OF THE S‐TRIAZOLO(3,4‐F)(1,2,4)TRIAZINE AND TETRAZOLO(1,5‐F)(1,2,4)TRIAZINE

Chemischer Informationsdienst, 1979
Abstract3‐Amino‐l ,2,4‐triazin (I) liefert bei der Oxidation das Triazinon (IIa), das zu (IIb) bromiert wird und die Austauschprodukte (IIc) und (IId) gibt.
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1,2,4-Triazines. IV. Synthesis and characterization of 1,2,4-triazine N-oxides

The Journal of Organic Chemistry, 1971
William W. Paudler, Teh-Kuei Chen
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Synthesis of 1,2,4-Triazine -Oxides from 1,2,4-Triazines

2004
C. W. Lindsley, M. E. Layton
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