Processes for producing 2-substituted benzo[B]thiophene

Details Processes for producing 2-substituted benzo[B]thiophene Processes for producing 2-substituted benzo[B]thiophene

1992-09-15

1994-03-29

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

568 41, C07C31914, C07D33370

Patent

active

052986306

ABSTRACT:
A 2-alkylthiobenzaldehyde of general formula (I) is reacted with a halo compound of general formula (II) to produce a 2-substituted benzo[b]thiophene of general formula (III): ##STR1## wherein R.sup.1 means an alkyl group of 1 to 4 carbon atoms,

REFERENCES:
patent: 2761873 (1956-09-01), Gregory et al.
patent: 4965379 (1990-10-01), Ikeda et al.
patent: 5169961 (1992-12-01), Dickman et al.
J. March, "Advanced Organic Chemistry," 2nd ed., p. 374 McGraw-Hill Book Co., New York (1979).
The Merck Index, M. Windholz ed., entry No. 9922, p. 1454, Merck & Co., Inc., Rahway, N.J. (1983).
G. Gokel et al., Journal of Chemical Education, "Phase Transfer Catalysis" 55(6), pp. 350-354 (1978).
W. Weber et al., Journal of Chemical Education, "Phase Transfer Catalysis," 55(7), pp. 429-433 (1978).
T. Hivota et al., Heterocycles, "A Novel Synthesis of Benzofuron and Related Compounds," 26(6), pp. 2717-2725 (1987).
Tetrahedron, vol. 28, pp. 2553-2573, (1972), "Benzo [1] Thieno (2,3-d) Pyridazines-I Etude Des Conditions D'Acces . . . " by Dore et al.
Comptes Rendus, vol. 234, pp. 736-738, (1952), "Recherches sur les .alpha.-acylthionaphtenes et leurs derives . . . ", by Martynoff.
Synthetic Communications, vol. 20 (11), pp. 1687-1695, (1990), "A Practical Synthesis of 2-Carbonylbenzo[B]thiophenes" by Chi-Nung Hsiao et al.
J. Organic Chem., vol. 17, pp. 350-357, (1952), "The Synthesis of Sulfur-Containing Analogs . . . ", by Ng. Ph. Buu-Hoi et al.
Ber., vol. 97(5), pp. 1470-1481, (1964), "Umsetzung schwefelhaltiger Benzaldehyde mit Diazomethan", by Eistert et al.

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