# US 4,391,760 A · S-(Tertiary alkyl) alkylphosphonothioic halides

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- Number: US 4,391,760 A
- Document ID: US4391760A
- Status: Granted
- Kind: A
- Application number: 06/221,642
- Filed: 1980-12-31
- Granted: 1983-07-05
- Earliest claimed: 1980-12-31
- Assignees: Rhone-Poulenc Agrochimie
- Inventors: Mohamed A. Fahmy
- Web page: https://patentgrep.com/patent/US4391760A

## CPC

- C07F 9/4084: {Esters with hydroxyaryl compounds}
- A01N 57/20: containing acyclic or cycloaliphatic radicals
- A01N 57/22: containing aromatic radicals
- C07F 9/4075: {Esters with hydroxyalkyl compounds}
- C07F: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins C07D487/22)
- A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS

## Abstract

Compounds useful as intermediates for insecticides and nematocides having the formula ##STR1## in which R is an alkyl of 1 to 8 carbon atoms, haloalkyl of 1 to 8 carbon atoms, alkenyl of 2 to 8 carbon atoms, haloalkenyl of 2 to 8 carbon atoms, alkynyl of 2 to 8 carbon atoms, or haloalkynyl of 2 to 8 carbon atoms; R.sub.1 is tertiary alkyl of 4 to 8 carbon atoms; and X is halogen are disclosed as well as their preparation by direct reaction of an alkylphosphonic dihalide with a tertiary-alkyl thiol.

## Claims

### Claim 1

A compound of the formula ##STR7## wherein R is alkyl of 1 to 8 carbon atoms, R.sub.1 is tertiary alkyl of 4 to 8 carbon atoms and X is halogen.

### Claim 2 (depends on 1)

A compound of claim 1 wherein R.sub.1 is tert-butyl.

### Claim 3 (depends on 1)

A compound of claim 1 wherein R.sub.1 is tert-amyl.

### Claim 4 (depends on 1)

A compound of claim 1 wherein X is chloro.

### Claim 5 (depends on 1)

The compound of claim 1 wherein R is ethyl, R.sub.1 is tert-butyl and X is chloro.

### Claim 6 (depends on 1)

The compound of claim 1 wherein R is ethyl, R.sub.1 is tert-amyl and X is chloro.