Certain 3-oxo-2-aryl-5,6-dihydro-4(H)-pyrrolo-(1,2-C)(1,2,3)tria

Details Certain 3-oxo-2-aryl-5,6-dihydro-4(H)-pyrrolo-(1,2-C)(1,2,3)tria Certain 3-oxo-2-aryl-5,6-dihydro-4(H)-pyrrolo-(1,2-C)(1,2,3)tria

1974-12-13

1976-02-17

Rollins, Alton D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

71 90, 71 92, 260296H, 2603067R, C07D24906, C07D47104, C07D51304

Patent

active

039391744

ABSTRACT:
A process for inhibiting plant growth comprising contacting a plant or its growth area with an effective amount of certain para-halophenyl substituted triazolines. A series of novel mesoionic para-halophenyl substituted triazolines. A novel process for preparing 3-phenyl-4-oxo-1,2,3-triazoline by contacting benzenediazoniumchloride and an .alpha.-amino carboxylic acid and cyclodehydrating the triazene produced using acetic anhydride and pyridine.

REFERENCES:
patent: 2705713 (1955-04-01), Kendall et al.
Potts et al., J. Org. Chem., Vol. 35, pp. 3451-3456 (1970).
Abu-El-Haj et al., Chem. Abstracts, Vol. 78, Abstract No. 136300r (1973).
Begtrup et al., Chem. Abstracts, Vol. 76, Abstract No. 72454t (1972).

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