Read e-book online Advances in Heterocyclic Chemistry, Vol. 9 PDF

By A.R. Katritzky, A.J. Boulton (Eds.)

ISBN-10: 0120206099

ISBN-13: 9780120206094

(from preface)The 9th quantity of Advances in Heterocyclic Chemistry contains surveys of the chemistry of the next teams of heterocyclic compounds: 1,2,5-thiadiazoles (L. M. Weinstock and P. I. Pollack); 1,3,4-thiadiazoles (J. Sandstrom); pyridazines (M. Tisler and B. Stanovnik); Reissert compounds (F. D. Popp); phenothiazines (C. Bodea and that i. Silberg); and pyrrolopyridines (R. E. Willette).Suggestions are welcomed for contributions to destiny volumes; they need to be within the type of brief synopses.Thanks are as a result of the Editorial Board, the writer, and the authors for his or her cooperation.

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991, 2311 (1928). Curiously, this patent does not appear to have been abstracted by Chem. Abstr. However, all the compounds, except the azaindoles, did appear in French Patent 641,422 (1926) ; Chem. Abstr. 23, 1139 (1929). 49 T. Takahashi, H. Saikachi, H. Goto, and S. Shimamura, J . Pharm. SOC. Japan 64, 7 (1944); Chem. Abstr. 45, 8529 (1951). 4 9 a P . A. Crooks and B. & Ind. (London), 547 (1967). 50 G. E. Ficken and J. D. Kendall, J . Chem. , 3202 (1959). 5 1 G. E. Ficken and J. D. Kendall, J .

32 J. M.. Wefer and F. D. Popp, J . Org. Chem. 32, 1999 (1967). 33 L. R. Welters, N. T. Iyer, and W. E. McEwen, J . A m . Chem. SOC. 80, 1177 (1958). 111. 1 13 REISSERT COMPOUNDS 0 qN 0 m - o - ( ! - C6H5 c6H5 H-C-0-C- I1 C6H5 I CBH5 (30) (29) benzene34 or sodium hydride in dimethylformamide a t room temperaturez7)gave 30. 33 A similar mechanism can be used for the formation of 30. It is of interest to note that in this case reaction of the anion (19) of the quinoline Reissert compound takes place in the 2-position.

27 28 29 29 34 36 42 44 51 54 56 56 58 60 65 65 70 79 79 82 102 103 I. Introduction I n 1885, Fischer and Tauberl reported that a sublimate formed during the decomposition of harminic acid, an oxidation product of the alkaloid harmine. 2 This first azaindole was not recognized as such until Perkin and Robinson3 assigned it a “pyrindole structure. )) 0. Fischer and E. Tiiuber, Chem. Ber. 18, 400 (1885). 0. Fischer, Chem. Ber. 22, 637 (1889). 3 W. H. Perkin, Jr. and R.

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Advances in Heterocyclic Chemistry, Vol. 9 by A.R. Katritzky, A.J. Boulton (Eds.)

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