5-halo-1,2,4-thiadiazoles

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专利汇可以提供5-halo-1,2,4-thiadiazoles专利检索,专利查询,专利分析的服务。并且A compound of the formula

WHEREIN X is halogen, R1 and R2 are each selected from the group consisting of hydrogen, an aliphatic radical, a cycloaliphatic radical, aralkyl, aryl, acyl and trihalomethylmercapto provided that only one of R1 and R2 is hydrogen and forms a hydrocarbon heterocyclic ring with the nitrogen atom to which they are attached. These compounds are useful as fungicides, miticides, nematocides and insecticides.,下面是5-halo-1,2,4-thiadiazoles专利的具体信息内容。

1. A compound of the formula
2. The compound of claim 1 wherein one of R1 and R2 is hydrogen.
3. The compound of claim 1 wherein R1 and R2 are trihalomethylmercapto.
4. The compound of claim 3 characterized in that R1 and R2 are trichloromethylmercapto.
5. The compound of claim 1 wherein X is chloro.
6. The compound of claim 1 wherein R1 is alkyl of from one to five carbon atoms.
7. The compound of claim 1 wherein R1 and R2 are selected from the group consisting of cycloalkyl and cycloalkenyl of from five to seven carbon atoms.
8. The compound of claim 1 wherein R1 and R2 are phenyl substituted alkyl where the alkyl group contains from one to five carbon atoms.
9. The compound of claim 1 wherein R1 and R2 are selected from the group consisting of phenyl and naphthyl.
10. The compound of claim 1 wherein R1 is acetyl.
11. The compound of claim 1 wherein R1 and R2 form a hydrocarbon heterocyclic ring of 5 or 6 atoms containing four or five carbon atoms in the ring.
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