Claims
- 1. A phenylformamidine compound of formula I ##STR14## wherein R is propenyl mono- or disubstituted by chlorine or bromine and its acid plant growth regulating acceptable addition salts.
- 2. A compound according to claim 1 wherein R is propenyl mono- or disubstituted by chlorine.
- 3. An acid addition salt according to claim 1 with in which the acid is hydrochloric, sulfuric or p-toluene sulfonic.
- 4. The compound of claim 1, which is N-[2-methyl-4-(.beta.-chlorallyloxy)-phenyl]-N'N'-dimethylformamidine.
- 5. The compound of claim 1, which is N-[2-methyl-4-(.beta.-chlorallyloxy)-phenyl]-N'N'-dimethylformamidine hydrochloride.
- 6. The compound of claim 1, which is N-[2-methyl-4-(.beta.,.gamma.-dichlorallyloxy)-phenyl]-N'N'-dimethylformamidine.
- 7. The compound N-[2-methyl-4-(.gamma.-chlorbut-2-enyloxy)-phenyl]-N'N'-dimethylformamidine.
- 8. A herbicidal composition containing as active ingredient a herbicidally effective amount of a phenylformamidine compound of formula I claim 1 or an acid addition salt thereof according to claim 1 together with an inert carrier and/or extender.
- 9. A method of controlling undesirable plant growth which comprises applying to a locus where undesirable plant growth is to be controlled, a herbicidally effective amount of a phenylformamidine compound of formula I or an acid addition salt thereof according to claim 1.
- 10. A method according to claim 9 which consists in selectively controlling weeds in cultures of crop plants.
- 11. A method according to claim 10 which consists in selectively controlling weeds in cultures of grain crops or cotton.
- 12. The method of claim 10 when used in pre-emergence application.
CROSS-REFERENCE TO RELATED APPLICATION
This application is a continuation-in-part of our application, Ser. No. 311,057 filed Dec. 1, 1972, now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
3857836 |
Horlein et al. |
Dec 1974 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
792407 |
Dec 1972 |
BEX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
311057 |
Dec 1972 |
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