Process for production of 2-acetylbenzo[b]thiophene

Details Process for production of 2-acetylbenzo[b]thiophene Process for production of 2-acetylbenzo[b]thiophene

1992-12-29

1993-11-30

Russell, Mark

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 49, 568 67, 568 68, C07D33356

Patent

active

052667057

ABSTRACT:
A process for production of 2-acetylbenzo[b]thiophene represented by the formula (I): ##STR1## comprising the steps of: (1) reacting 2-halogenobenzaldehyde represented by the formula (II): ##STR2## wherein X represents a halogen atom, with a compound represented by the formula (III):

REFERENCES:
patent: 2634201 (1953-04-01), Mowry et al.
patent: 4490532 (1984-12-01), Harris
patent: 5169961 (1992-12-01), Dickman et al.
M. Martygnoff et al., Comptes rendus, vol. 234, pp. 736-738, (1952).
Dickinson et al., "Condensed Thiophen Ring Systems. Part VII. Stability of 3-Benzo[b]-thienyl-lithium", J. Chem. Soc. Commun., pp. 3447-3454, (1971).
J. March, "Advanced Organic Chemistry," 2nd ed., p. 374, McGraw-Hill Book Co., New York (1977).
T. Hirota et al, Heterocycles, , "A Novel Synthesis of Benzofuran and Related Compounds," 26 (10), pp. 2717-2725 (1987).

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