Process for preparing certain 6-phenoxy-2-pyridinecarboxaldehyde

Details Process for preparing certain 6-phenoxy-2-pyridinecarboxaldehyde Process for preparing certain 6-phenoxy-2-pyridinecarboxaldehyde

1981-10-30

1982-11-09

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546270, 546301, 546302, 546339, C07D21348

Patent

active

043585949

ABSTRACT:
Compounds are prepared corresponding to the formula ##STR1## wherein Y represents chloro or R'; R represents ##STR2## wherein X independently represents alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkyl sulfonyl of 1 to 4 carbon atoms, trifluoromethyl, chloro, fluoro or bromo; n represents an integer of 0 to 2 or X.sub.n represents 3,4-methylenedioxy and R' represents R with the proviso that R and R' can be the same or different. The compounds are useful as intermediates for the preparation of insecticidal substituted pyridine methyl esters of cyclopropane carboxylic acids.

REFERENCES:
patent: 4163787 (1979-08-01), Malhotra et al.
patent: 4221799 (1980-09-01), Van Heertum et al.
patent: 4228172 (1980-10-01), Malhotra et al.
patent: 4256893 (1981-03-01), Malhotra et al.
patent: 4262001 (1981-04-01), Malhotra et al.
patent: 4281133 (1981-07-01), Malhotra et al.

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