Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
283 words
An N-pyridylsulfonyl-N'-pyrimidinylurea of the formula ##STR21## wherein A is a C 3 -C 6 alkynyl radical, or a C 1 -C 6 alkyl radical which is substituted by halogen or C 1 -C 4 alkoxy, or A is a C 2 -C 4 alkenyl radical which is unsubstituted or substituted by halogen or C 1 -C 4 alkoxy, or A is a phenyl radical which is unsubstituted or substituted by halogen, cyano, nitro, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl or --X--C 1 -C 4 alkyl, or A--X-- forms an amino radical --NR 6 R 7 , R 1 is hydrogen, halogen or C 1 -C 4 alkyl, R 2 is C 1 -C 3 alkyl which is unsubstituted or substituted by 1 to 3 halogen atoms, or is C 1 -C 3 alkoxy, R 3 is hydrogen, halogen, an amino group --NR 4 R 5 , or C 1 -C 3 alkyl which is unsubstituted or substituted by 1 to 3 halogen atoms, or is C 1 -C 4 alkoxy which is unsubstituted or substituted by methoxy, ethoxy or 1 to 3 halogen atoms, R 4 is hydrogen or methyl, R 5 is hydrogen, C 1 -C 2 alkyl or methoxy, R 6 and R 7 are each independently hydrogen, C 1 -C 4 alkyl, C 3 -C 6 alkenyl, C 3 -C 6 alkynyl, or both together with the nitrogen atom to which they are attached also form a saturated 5- or 6-membered heterocyclic ring system which may also contain oxygen, sulfur or an --NR 8 radical, R 8 is hydrogen, C 1 -C 4 alkyl or benzyl, and X is oxygen or sulfur, or a salt thereof.
Claim 2
Dependent Claim
283 words
An N-pyridylsulfonyl-N'-pyrimidinylurea of the formula ##STR21## wherein A is a C 3 -C 6 alkynyl radical, or a C 1 -C 6 alkyl radical which is substituted by halogen or C 1 -C 4 alkoxy, or A is a C 2 -C 4 alkenyl radical which is unsubstituted or substituted by halogen or C 1 -C 4 alkoxy, or A is a phenyl radical which is unsubstituted or substituted by halogen, cyano, nitro, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl or --X--C 1 -C 4 alkyl, or A--X-- forms an amino radical --NR 6 R 7 , R 1 is hydrogen, halogen or C 1 -C 4 alkyl, R 2 is C 1 -C 3 alkyl which is unsubstituted or substituted by 1 to 3 halogen atoms, or is C 1 -C 3 alkoxy, R 3 is hydrogen, halogen, an amino group --NR 4 R 5 , or C 1 -C 3 alkyl which is unsubstituted or substituted by 1 to 3 halogen atoms, or is C 1 -C 4 alkoxy which is unsubstituted or substituted by methoxy, ethoxy or 1 to 3 halogen atoms, R 4 is hydrogen or methyl, R 5 is hydrogen, C 1 -C 2 alkyl or methoxy, R 6 and R 7 are each independently hydrogen, C 1 -C 4 alkyl, C 3 -C 6 alkenyl, C 3 -C 6 alkynyl, or both together with the nitrogen atom to which they are attached also form a saturated 5- or 6-membered heterocyclic ring system which may also contain oxygen, sulfur or an --NR 8 radical, R 8 is hydrogen, C 1 -C 4 alkyl or benzyl, and X is oxygen or sulfur, or a salt thereof.
Claim 3
Dependent Claim
11 words
An N-pyridylsulfonyl-N'-pyrimidinylurea according to claim 1, wherein R 1 is hydrogen.
Claim 4
Dependent Claim
29 words
An N-pyridylsulfonyl-N'-pyrimidinylurea according to claim 1, wherein R 1 is hydrogen, --X--A is in the 2-position and the --SO 2 -- group in the 3-position of the pyridyl ring.
Claim 5
Dependent Claim
25 words
An N-pyridylsulfonyl-N'-pyrimidinylurea according to claim 1, wherein A is C 3 -C 4 alkenyl or C 3 -C 4 alkynyl and R 1 is hydrogen.
Claim 6
Dependent Claim
28 words
A herbicidal and plant growth regulating composition which contains an effective amount of an N-pyridylsulfonyl-N'-pyrimidinylurea according to claim 1, together with an inert carrier and/or other inert adjuvants.
Claim 7
Dependent Claim
36 words
A method of controlling undesired plant growth, which comprises applying to the plants or area of undesired plant growth an effective amount of an N-pyridylsulfonyl-N'-pyrimidinylurea according to claim 1, or of a composition containing said compound.
Claim 8
Dependent Claim
29 words
A method of inhibiting plant growth, which comprises applying to the plants an effective amount of an N-pyridylsulfonyl-N'-pyrimidinylurea according to claim 1, or of a composition containing said compound.
Claim 9
Dependent Claim
45 words
A method according to claim 6 of selectively controlling weeds pre- or postemergence in crops of useful plants, which method comprises applying to the crops or crop area an effective amount of an N-pyridylsulfonyl-N'-pyrimidinylurea according to claim 1, or of a composition containing said compound.
Claim 10
Dependent Claim
39 words
A method according to claim 7 of inhibiting plant growth beyond the 2-leaf stage preemergence, which method comprises applying to the emerging plants an effective amount of an N-pyridylsulfonyl-N'-pyrimidinylurea according to claim 1, or a composition containing said compound.
Claim 11
Dependent Claim
18 words
A method according to claim 8, wherein said crops are sugar cane, cereals, maize, rice, soybeans or cotton.
Claim 12
Dependent Claim
38 words
A method of inhibiting the growth of cultivated plants to obtain an increase in yield, which comprises applying to the plants an effective amount of an N-pyridylsulfonyl-N'-pyrimidinylurea according to claim 1, or of a composition containing said compound.
Claim 13
Dependent Claim
12 words
A method according to claim 11, wherein said cultivated plants are soybeans.
Claim 14
Dependent Claim
13 words
A method according to claim 7, wherein said plants are cover crop leguminosae.
Claim 15
Dependent Claim
5 words
N-[2-(2-methylallyloxy)-pyridin-3-ylsulfonyl]-N'-(4-methoxy-6-methylpyrimidin-2-yl)urea according to claim 6.
Claim 16
Dependent Claim
5 words
N-[2-(2-methylallyloxy)-pyridin-3-ylsulfonyl]-N'-(4-difluoromethoxy-6-methylpyrimidin-2-yl)urea according to claim 6.
Claim 17
Dependent Claim
5 words
N-[2-(2-butenyloxy)-pyridin-3-ylsulfonyl]-N'-(4,6-dimethylyrimidin-2-yl)urea according to claim 6.
Claim 18
Dependent Claim
10 words
An N-pyridylsulfonyl-N'-pyrimidinylurea according to claim 1 of the formula ##STR22##