+++Journal of Heterocyclic Chemistry

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1.Portnoy,S.;
Fluorinated nitrogen heterocycles via cyclization. IV. s-Triazolo[4,3-a] pyridines and tetrazolo[1,5-a] pyridines from 4-trifluoromethyl-2-hydrazinopyridines
Journal of Heterocyclic Chemistry;
7;1970; 703 - 705;

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http://dx.doi.org/10.1002/jhet.5570070341

2.Wright,W.B.; Brabander,H.J.;
The preparation of 2-Chloroformyl-3-phenylthiazolo[3.2-a] pyridiniuin chlorides from cinnamic acids, pyridine and thionyl chloride
Journal of Heterocyclic Chemistry;
9; 1972; 1017 - 1019;

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http://dx.doi.org/10.1002/jhet.5570090510

3.Bradsher et al.;
Cycloaddition reactions of some analogs of the acridizinium ion
Journal of Heterocyclic Chemistry
9;1972; 177

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http://dx.doi.org/10.1002/jhet.5570090201

4.Moran, Daniel B.; Morton, George O.; Albright, J. Donald;
Synthesis of (pyridinyl)-1,2,4-triazolo[4,3-a]pyridines
Journal of Heterocyclic Chemistry
23; 1986; 1071 - 1077

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http://dx.doi.org/10.1002/jhet.5570230422

5.Bouteau, Brigitte; Lancelot, Jean-Charles; Robba, Max;
Synthèse et étude physicochimique des 1,2,4-triazolo[4,3-a]-pyridines et des 1,2,4-triazolo[2,3-a]pyridines
Journal of Heterocyclic; French;
27; 6; 1990; 1649 - 1651;

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http://dx.doi.org/10.1002/jhet.5570270623

6.Cocco, Maria Teresa; Congiu, Cenzo; Onnis, Valentina;
Heterocyclization of Acetamidrazones. I. Synthesis of 1,2,4-triazolo[4,3-a]pyridines via ring closure of 6-(2-acylhydrazino)pyridine intermediates
Journal of Heterocyclic
28; 3; 1991; 797 – 800

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http://dx.doi.org/10.1002/jhet.5570280343

7.Kolar, Patric; Tisler, Miha;
Heterocyclic amino acids as synthons. Reactions with dicarbonyl compounds
Journal of Heterocyclic Chemistry;
30; 5; 1993;1253 - 1260;

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http://dx.doi.org/10.1002/jhet.5570300514

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