2-Amino-5-ethylovalyl-6H-1,3,4-thiadiazine oxime

Details 2-Amino-5-ethylovalyl-6H-1,3,4-thiadiazine oxime 2-Amino-5-ethylovalyl-6H-1,3,4-thiadiazine oxime

1978-11-02

1981-03-03

Torrence, Dolph H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

71 90, 548154, 548191, 548196, C07D28516, C07D27730

Patent

active

042542596

ABSTRACT:
By varying the acidity, solvent polarity, and temperature of the reaction of thiosemicarbazide with ethyl 4-chloroacetoacetate, ethyl 2-amino-6H-1,3,4-thiadiazine-5-acetate hydrochloride, ethyl 2-hydrazinothiazole-4-acetate, and ethyl 2-imino-3-aminothiazoline-4-acetate hydrochloride may be prepared selectively. Further derivatives may be prepared by benzoylation and nitrosation. These compounds have demonstrated utilities as herbicides.

REFERENCES:
patent: 3862183 (1975-01-01), Doyle, Jr.
Campaigne et al., Abstract of paper presented at 29th Annual Southeast Regional Meeting of the American Chemical Society in Tampa, Florida.
Campaigne et al., J. Heterocyclic Chem., 15, 401(1978).
Beyer, Quart. Rep. on Sulfur Chem., 5177(1970).
Elderfield, "Heterocyclic Compounds", vol. 7, pp. 826-828 (1961).
Elderfield, "Heterocyclic Compounds", vol. 5, pp. 578-579, 626-627 (1957).
Burger et al., J. Org. Chem., 12, 342 (1947).
Bose, Quart. J. Indian Chem. Soc., 1, 51 (1924).
Hamel, Bull. Soc. Chim. 29, 390 (1921).

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