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US 4,308,217 AGranted
Disulfides of amides of phosphoric acid
AssigneeThe Upjohn Company
InventorsStephen J. Nelson, Clifford E. Sacks
Life of this patent
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Abstract
Selected disulfides of various amides of phosphoric acids are claimed. They are useful to make corresponding sulfenyl chlorides or bromides in novel processes for preparing phosphorus derivatives of aminothiomethylcarbamates useful as pesticides.
Claims32
A compound having the formula ##STR21## wherein X is oxygen or sulfur;
- R.sub.1 is lower alkyl, phenyl, ' substituted phenyl, phenyl lower alkyl or cycloalkyl;
- Y and Y' taken together for a functionality selected from the group consisting of ##STR22## wherein Z.sub.1 through Z.sub.6 are the same or different and are hydrogen, methyl or ethyl, and k is 0 or 1;
- p is three or four, and R.sub.9 is hydrogen, lower alkyl, lower alkoxy or halogen.
N,N'-dithiobis[N-(1-methylethyl)-1,3,2-dioxaphosphorinan-2-amine], 2,2'-disulfide.
N,N'-dithiob is[5,5-dimethyl-N-(1-methylethyl)-1,3,2-dioxaphosphorinan-2-amine], 2,2'-disulfide.
Dependencies are inferred from the claim text.