Plant growth regulants

Details Plant growth regulants Plant growth regulants

1974-07-29

1976-03-30

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 88, 71 90, 71 92, 71 94, 2602948D, 260295R, 260302R, 260302D, 260307R, 260307G, 260348A, A01N 500

Patent

active

039472639

ABSTRACT:
Plant growth regulant effects, such as dwarfing, cessation of terminal growth, increased flower set, increased fruit and pod set, fruiting body abortion, twisting and epinastic responses, etc., may be accomplished on crops such as soybeans, cotton, etc., by application of certain 2-(1,3,4-oxadiazol-2-yl) or 2-(2-oxazolyl) or 2-(1,3,4-thiadiazol-2-yl)benzoic acids, salts and esters, having the formula ##SPC1##
Where X is nitrogen or C--R" (R" being hydrogen or methyl), Z is oxygen or sulfur when X is nitrogen, Z is oxygen when X is C--R", R is phenyl or various substituents, and R' is hydrogen or various substituents. An example is 2-(5-phenyl-1,3,4-oxadiazol-2-yl)benzoic acid. The compounds where X is nitrogen and Z is sulfur are new compounds, e.g., 2-(5-phenyl-1,3,4-thiadiazol-2-yl)benzoic acid.

REFERENCES:
patent: 2394916 (1946-02-01), Jones
patent: 3452076 (1969-06-01), Mohr et al.
patent: 3667930 (1972-06-01), Breuer
patent: 3674802 (1972-07-01), Franz
patent: 3808223 (1974-04-01), Dahle et al.
Grekov et al., "25-Diphenyl-1,3,4-oxadiazoles," (1960).
CA 55, p. 21103, (1961).

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