# US 4,162,320 A · Combating arthropods with N,N-dialkyl-O-(4-dialkylamino-pyrimidin-2-yl)-carbamic acid esters

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- Number: US 4,162,320 A
- Document ID: US4162320A
- Status: Granted
- Kind: A
- Application number: 05/915,623
- Filed: 1978-06-14
- Granted: 1979-07-24
- Earliest claimed: 1977-07-05
- Assignees: Bayer Aktiengesellschaft
- Inventors: Fritz Maurer; Ingeborg Hammann; Bernhard Homeyer
- Web page: https://patentgrep.com/patent/US4162320A

## CPC

- C07D 239/47: One nitrogen atom and one oxygen or sulfur atom, e.g. cytosine
- G05B 2219/24108: Correct fault so that microprocessor functions correctly, without reset
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G)

## Abstract

An N,N-Dialkyl-O-(4-dialkylamino-pyrimidin-2-yl)-carbamic acid ester of the formula ##STR1## in which R, R.sup.1, R.sup.2 and R.sup.3 each independently is alkyl, R.sup.4 is hydrogen, alkyl, alkylthio or halogen, and R.sup.5 is hydrogen or alkyl, Which possess arthropodicidal properties.

## Claims

### Claim 1

An N-N-dialkyl-O-(4-dialkylamino-pyrimidin-2-yl)-carbamic acid ester of the formula ##STR18## in which R, R.sup.1, R.sup.2 and R.sup.3 each independently is alkyl with 1 to 6 carbon atoms,
R.sup.4 is hydrogen, alkyl or alkylthio each with 1 to 4 carbon atoms, or halogen, and
R.sup.5 is hydrogen or alkyl with 1 to 4 carbon atoms.

### Claim 2 (depends on 1)

An ester according to claim 1, in which R.sup.4 is hydrogen, chlorine, or alkyl or alkylthio each with 1 to 4 carbon atoms.

### Claim 3 (depends on 1)

An ester according to claim 1, in which said ester is N,N-dimethyl-O-(4-dimethylamino-pyrimidin-2-yl)-carbamic acid ester of the formula ##STR19##

### Claim 4 (depends on 1)

An ester according to claim 1, in which said ester is N,N-dimethyl-O-(4-dimethylamino-6-methyl-pyrimidin-2-yl)-carbamic acid ester of the formula ##STR20##

### Claim 5 (depends on 1)

An ester according to claim 1, in which said ester is N,N-dimethyl-O-(5-chloro-4-dimethylamino-6-methyl-pyrimidin-2yl)-carbamic acid ester of the formula ##STR21##

### Claim 6 (depends on 1)

An ester according to claim 1, in which said ester is N,N-dimethyl-O-(4-dimethylamino-6-methyl-5-methylmercapto-pyrimidin-2-yl)- carbamic acid ester of the formula ##STR22##

### Claim 7 (depends on 1)

An arthropodicidal composition containing as active ingredient an arthropodicidally effective amount of an ester according to claim 1 in admisture with a diluent.

### Claim 8 (depends on 1)

A method of combating arthropods which comprises applying to the arthropods, or to a habitat thereof, an arthropodicidally effective amount of an ester according to claim 1.

### Claim 9 (depends on 8)

The method according to claim 8, in which said ester is
N,n-dimethyl-O-(4-dimethylamino-pyrimidin-2-yl)-carbamic acid ester,
N,n-dimethyl-O-(4-dimethylamino-6-methyl-pyrimidin-2-yl)-carbamic acid ester,
N,n-dimethyl-O-(5-chloro-4-dimethylamino-6-methyl-pyrimidin-2-yl)-carbamic acid ester,
N,n-dimethyl-O-(4-dimethylamino-6-methyl-5-methylmercapto-pyrimidin-2-yl)-c arbamic acid ester.