Process for the manufacture of insecticidal arylpyrroles via oxa

Details Process for the manufacture of insecticidal arylpyrroles via oxa Process for the manufacture of insecticidal arylpyrroles via oxa

1995-05-16

1996-11-12

McKane, Joseph

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548525, 548526, 548527, 548529, 548561, C07D207327

Patent

active

055741754

ABSTRACT:
The present invention provides a process for the manufacture of 2-aryl-5-(perfluoroalkyl)pyrrole-3-carbonitrile comprising the cycloaddition of 5-amino-4-aryl-2-perfluoroalkyl-1,3-oxazole and the appropriate 1,3-dipolarifile. The arylpyrrole-3-carbonitrile product and its derivatives are highly effective insecticidal, acaricidal and nematocidal agents.

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Tanaka, C. and Haruko, A., Yakugaku Zasshi, 92 (4), 436-43, 1990.
McEwen, W. E., Grossi, A.V.; MacDonald, R. J.; Stamegna, A. P., Journal of Organic Chemistry, 1980, 45, 1301-1308.
Jones, R. A., Pyrroles Part One, J. Wiley and Sons (1990), pp. 167-170.
Doehner, CA 117:L50881m Preparation. . . said agents., p. 815 (1992).
Ehrenfreund et al., CA 1198679z Preparation . . . said agents, p. 892 (1993).
McEwen et al., J. Org. Chem., 45, 1301-1308, Synthetic . . . Compounds (1980).

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