Abstract
The catalytic acylation and subsequent heterocyclization ofα- andβ-acetonyl derivatives of thiophene were studied. Mechanisms for the synthesis of thienopyrylium salts, the reaction of which with ammonia leads to the difficult-to-obtain thienopyridines, are proposed.
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Literature cited
G. N. Dorofeenko and V. I. Dulenko, Zh. Obshch. Khim.,32, 3445 (1962).
G. N. Dorofeenko and V. I. Dulenko, Dokl. Akad. Nauk SSSR,157, 361 (1964).
L. V. Dulenko, V. I. Dulenko, and G. N. Dorofeenko, Zh. Obshch. Khim.,34, 3588 (1964).
G. N. Dorofeenko, G. P. Safaryan, and V. I. Dulenko, Zh. Obshch. Khim.,36, 811 (1966).
G. N. Dorofeenko, L. V. Dulenko, V. I. Dulenko, and S. V. Krivun, Zh. Organ. Khim.,1, 1171 (1965).
G. N. Dorofeenko, A. D. Semenov, V. I. Dulenko, and S. V. Krivun, Zh. Organ. Khim.,2, 1492 (1966).
R. F. Gilsdorf, J. Org. Chem.,15, 897 (1950).
W. King and F. Nord, J. Org. Chem.,14, 405 (1949).
F. Hoorer and H. Haas, J. Org. Chem.,12, 501 (1947).
D. N. Robertson, US Patent No. 2,899 429 (1959); Chem. Abstr.,54, 434 (1960).
E. Campaigne and W. C. McCarty, J. Am. Chem. Soc.,76, 4466 (1954).
E. Wilson, Phys. Rev.,45, 706 (1934).
K. Nakanishi, Infrared Spectra and Structure of Organic Compounds [Russian translation], Moscow (1965), p. 64.
Ya. L. Gol'dfarb, Yu. B. Vol'kenshtein, and V. V. Lopatin, Zh. Obshch. Khim.,34, 973 (1964).
Ya. L. Gol'dfarb and Yu. B. Vol'kenshtein, Dokl. Akad. Nauk SSSR,123, 536 (1959).
C. Trojanowsky, Bull. Soc. Chim. France, 424 (1955).
S. Gronowitz, Acta Chim. Scand.,13, 1045 (1959).
E. E. Campaigne and W. L. Archer, J. Am. Chem. Soc.,75, 989 (1953).
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 320–325, March, 1971.
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Dulenko, L.V., Dorofeenko, G.N., Baranov, S.N. et al. Thienopyrylium salts. Chem Heterocycl Compd 7, 294–299 (1971). https://doi.org/10.1007/BF00944406
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DOI: https://doi.org/10.1007/BF00944406