EP0270362A2
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EP
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Pyridinylpyrimidine derivatives, method for production thereof and a fungicide containing them as the active ingredient
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1987-12-03
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Granted: —
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Expires: 2007-12-03
Abstract
Abstract A novel pyridinylpyrimidine derivative of the formula below, a method for preparation thereof and a fungicide containing it, <CHEM> which is effective as a fungicide. o
Inventors
- 👤 Tsuguhiro Katoh
- 👤 Kiyoto Maeda
- 👤 Masao Shiroshita
- 👤 Norihisa Yamashita
- 👤 Yuzuru Sanemitsu
- 👤 Satoru Inoue
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 14:03
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/04
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
79 words
A compound which is a pyridinylpyrimidine derivative of the formula: wherein R₁ is lower alkyl; R₂ and R₃, which may be the same or different, are each hydrogen or methyl; each R₄,which may be the same or different, is lower alkyl, lower alkoxy, halo (lower) alkyl or halogen; n is an integer of 0 - 5; R₅ is hydrogen or lower alkyl and R₆ is hydrogen, lower alkyl, lower alkoxy, lower alkenyloxy or lower alkylthio, or a salt thereof.
Claim 2
Dependent Claim
79 words
A compound which is a pyridinylpyrimidine derivative of the formula: wherein R₁ is lower alkyl; R₂ and R₃, which may be the same or different, are each hydrogen or methyl; each R₄,which may be the same or different, is lower alkyl, lower alkoxy, halo (lower) alkyl or halogen; n is an integer of 0 - 5; R₅ is hydrogen or lower alkyl and R₆ is hydrogen, lower alkyl, lower alkoxy, lower alkenyloxy or lower alkylthio, or a salt thereof.
Claim 3
Dependent Claim
69 words
A compound according to claim 1, wherein R₁ is C₁ - C₃ alkyl; R₂ and R₃, which may be the same or different, are each hydrogen or methyl; each R₄, which may be the same or different, is methyl, ethyl, methoxy, ethoxy, halo(C₁ - C₂)alkyl or halogen; n is an integer of 0 to 3; R₅ is hydrogen or methyl and R₆ is hydrogen, methyl, ethyl, methoxy or ethoxy.
Claim 4
Dependent Claim
57 words
A compound according to claim 1, wherein R₁ is methyl; R₂ and R₃ which may be the same or different, are each hydrogen or methyl; each R₄, which may be the same or different, is methyl, methoxy, fluorine, chlorine or bromine; n is 0, 1 or 2; R₅ is hydrogen, and R₆ is hydrogen, methyl or methoxy.
Claim 5
Dependent Claim
5 words
2-(6-Methyl-2-pyridinyl)-4-phenylpyrimidine or a salt thereof.
Claim 6
Dependent Claim
5 words
2-(6-Methyl-2-pyridinyl)-4-phenylpyrimidine or a salt thereof.
Claim 7
Dependent Claim
6 words
4-Methoxy-2-(6-methyl-2-pyridinyl)-6-phenyl pyrimidine or a salt thereof.
Claim 8
Dependent Claim
6 words
4-Methoxy-2-(6-methyl-2-pyridinyl)-6-phenyl pyrimidine or a salt thereof.
Claim 9
Dependent Claim
5 words
2-(6-Methyl-2-pyridinyl)-4-0-tolylpyrimidine or a salt thereof.
Claim 10
Dependent Claim
5 words
2-(6-Methyl-2-pyridinyl)-4-0-tolylpyrimidine or a salt thereof.
Claim 11
Dependent Claim
5 words
4-Methoxy-2-(6-methyl-2-pyridinyl)-6-o-tolylpyrimidine or a salt thereof.
Claim 12
Dependent Claim
5 words
4-Methoxy-2-(6-methyl-2-pyridinyl)-6-o-tolylpyrimidine or a salt thereof.
Claim 13
Dependent Claim
5 words
4-o-Chlorophenyl-2-(6-methyl-2-pyridinyl)pyrimidine or a salt thereof.
Claim 14
Dependent Claim
5 words
4-o-Chlorophenyl-2-(6-methyl-2-pyridinyl)pyrimidine or a salt thereof.
Claim 15
Dependent Claim
5 words
4-o-Chlorophenyl-6-methoxy-2-(6-methyl-2-pyridinyl)pyrimidine or a salt thereof
Claim 16
Dependent Claim
5 words
4-o-Chlorophenyl-6-methoxy-2-(6-methyl-2-pyridinyl)pyrimidine or a salt thereof
Claim 17
Dependent Claim
24 words
A fungicidal composition which comprises a compound as claimed in any one of the preceding claims as an active ingredient, and an inert carrier.
Claim 18
Independent Claim
35 words
A method for controlling fungi which comprises applying thereto or to a locus in which they may grow a fungicidally effective amount of a compound as claimed in any one of claims 1 to 9.
Claim 19
Dependent Claim
13 words
A method according to claim 11, wherein the fungi are plant pathogenic fungi.
Claim 20
Dependent Claim
53 words
A process for preparing a compound as claimed in claim 1 wherein R₆ is hydrogen which comprises reducing a halopyrimidine derivative of the formula: wherein R₁, R₂, R₃, R₄, R₅ and n are as defined in claim 1 and X is halogen, and if desired converting the resulting pyridinylpyrimidine derivative into a salt.
Claim 21
Dependent Claim
87 words
A process for preparing a compound as claimed in claim 1 in which R₆ is lower alkoxy, lower alkenyloxy or lower alkylthio which comprises reacting a halopyrimidine derivative of the formula: wherein R₁, R₂, R₃, R₄, R₅ and n are as defined in claim 1 and X is halogen with an alkali metal compound of the formula: R₆ʺ Y wherein R₆ʺ is lower alkoxy, lower alkenyloxy or lower alkylthio and Y is an alkali metal atom, and if desired converting the resulting pyridinylpyrimidine derivative into a salt.
Claim 22
Dependent Claim
86 words
A process for preparing a compound as claimed in claim 1 in which R₆ is lower alkyl which comprises recting a halopyrimidine derivative of the formula: wherein R₁, R₂, R₃, R₄, R₅ and n are as defined in claim 1 and X is halogen with a diester derivative of the formula: R₇CH(COOR₈)₂ wherein R₇ is hydrogen, methyl or ethyl and R₈ is lower alkyl, in the presence of a base, followed by hydrolysis and decarbonation, and if desired converting the resulting pyridinylpyrimidine derivative into a salt.
Claim 23
Dependent Claim
83 words
A process for preparing a compound as claimed in claim 1 in which R₅ and R₆ are both hydrogen which comprises reacting a picoline amidine derivative of the formula: wherein R₁, R₂ and R₃ are as defined in claim 1, or a salt thereof with an enamine derivative of the formula: wherein R₄ and n are as defined in claim 1 and R₉ is lower alkyl, in the presence of a base, and if desired converting the resulting pyridinylpyrimidine derivative into a salt.
Claim 24
Dependent Claim
17 words
Use of a compound as claimed in any one of claims 1 to 9 as a fungicide.
References Cited (Backward Citations)
No citation records indexed.
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