Method for the preparation of 2-aryl-5-trifluoromethylpyrrole co

Details Method for the preparation of 2-aryl-5-trifluoromethylpyrrole co Method for the preparation of 2-aryl-5-trifluoromethylpyrrole co

1992-12-11

1993-10-26

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548557, 548560, 548561, 548562, C07D20736, C07D207327, C07D20734

Patent

active

052567966

ABSTRACT:
There is provided a method for the preparation of 2-aryl-5-trifluoromethylpyrrole compounds via the reaction of an appropriate haloenamine and alkyl trifluoroacetoacetate. The pyrrole compounds produced are useful as insecticidal, acaricidal and nematocidal agents and as intermediates in the manufacture of said agents.

REFERENCES:
patent: 5010098 (1991-04-01), Brown et al.
patent: 5128485 (1992-07-01), Kameswaran
patent: 5151536 (1992-09-01), Kameswaran
CA 72(3):12466f Nitro enol, . . . methyl ether, Southwick et al., p. 312, 1970.
CA 101(9):72544g Addition of azlactones, . . . pyrroles, Yebdri et al., p. 627, 1984.
CA 114(23):228662a Carbanion . . . .alpha.-methylene-.gamma.-lactams, Patra et al., p. 813, 1991.

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