Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1979-11-29
1981-07-28
Randolph, John D.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
424263, 424266, 546270, 546300, C07D21348
Patent
active
042811333
ABSTRACT:
Substituted phenoxy and phenylthio picolinaldehydes are prepared which correspond to the formula: ##STR1## 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, alkylsulfonyl of 1 to 4 carbon atoms, trifluoromethyl, 3,4-methylenedioxy, chloro, fluoro or bromo; n represents an integer of 0 to 2 and Y represents oxygen or sulfur. These compounds are employed as intermediates in the preparation of compounds which have a high degree of insecticidal activity.
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patent: 4132784 (1979-01-01), Malhotra
patent: 4163787 (1979-08-01), Malhotra et al.
patent: 4221799 (1980-09-01), Van Heertum et al.
English et al., Principles of Organic Chemistry, pp. 196 to 201, McGraw-Hill Book Co., Inc. 1949, (NY).
Klingsberg, Pyridine and Its Derivatives, Part Four, pp. 123-124, Interscience Publishers, NY, (1964).
Malhotra Sudarshan K.
Ricks Michael J.
Brookens Ronald G.
Jones S. Preston
Randolph John D.
The Dow Chemical Company
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