.alpha.-Pyrone derivatives

Details .alpha.-Pyrone derivatives .alpha.-Pyrone derivatives

1973-11-09

1976-08-03

Myers, Jane S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

71 88, 2603459, 424279, A01N 920, C07D30938

Patent

active

039728994

ABSTRACT:
Compounds of the formula ##SPC1##
Wherein R.sub.1 and R.sub.2 are alkyl having 2 to 6 carbon atoms or phenyl; R.sub.3 is alkyl having 1 to 10 carbon atoms, alkenyl or alkynyl having up to six carbon atoms; R is alkyl of 1 to 20 carbon atoms, phenyl or phenyl substituted with halogen, methyl, methoxy or nitro; and A is carbonyl or sulfonyl, are effective as herbicides, plant growth regulators and fungicides.

REFERENCES:
patent: 2681916 (1954-06-01), Gysin et al.

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