Alkoxymethylation of pyrroles

Details Alkoxymethylation of pyrroles Alkoxymethylation of pyrroles

1993-12-29

1994-10-25

Richter, Johann

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548541, 548543, 548544, 548546, 548547, 548548, 548557, 548558, 548560, 548562, C07D20734, C07D20742

Patent

active

053590902

ABSTRACT:
There is provided a safe and effective means of introducing an alkoxymethyl group onto the ring Nitrogen atom of a wide variety of pyrrole compounds via the reaction of the appropriate pyrrole precursor sequentially with dialkoxymethane, Vilsmeier reagent and a tertiary amine. The product 1-(alkoxymethyl)pyrroles are useful as insecticidal, acaricidal, nematocidal and molluscicidal agents.

REFERENCES:
patent: 4500738 (1985-02-01), Schouten
patent: 5010098 (1991-04-01), Brown et al.
patent: 5151536 (1992-09-01), Kameswaran et al.
CA 111: 115023n Pyrrole . . . Containing them, Dixon et al., p. 648, 1989.
CA 118: Preparation . . . Pesticides, Uhr et al., p. 813, 1993.
J. Muchowski and D. R. Solas, Journal of Organic Chemistry, 1984, pp. 203-205.

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