摘要:
A process for the preparation of essentially isomerically pure methyl E-2-(2-aryloxymethylenephenyl)crotonates of the formula Ia ##STR1## where R is an aromatic radical and R' is a C.sub.1 -C.sub.3 -alkyl group, which comprises first converting a suitable methyl 2-(2-aryloxymethylenephenyl)-.alpha.-ketoacetate with an alkyl metal compound of the formula IIIM--CH.sub.2 --R' IIIwhere M is a metal ion equivalent into the corresponding methyl 2-(2-aryloxymethylenephenyl)-.alpha.-hydroxybutyrate of the formula IV, subsequently dehydrating IV in the presence of an acid to give a mixture of methyl E- and Z-2-(2-aryloxymethylenephenyl)crotonates and, subsequently, converting this mixture in the presence of a base in an inert polar solvent into the essentially isomerically pure methyl E-2-(2-aryloxymethylenephenyl)crotonate Ia.
摘要:
A process for preparing bis(oxime) monoethers of the formula I, where: R1 is unsbustituted C1-C4-alkyl or C2-C4-alkenyl-, C2-C4-alkynyl- or phenyl-substituted methyl; R2,R4 independently of one another are hydrogen or methyl; R3,R5 independently of one another are hydrogen or C1-C4-alkyl, trifluoromethyl or phenyl, and intermediates which are obtainable by this process are described.
摘要:
The process for preparing alkenyl-substituted bis(oxime ether) derivatives of the formula I where: R1 is unsubstituted C1-C4-alkyl or C2-C4-alkenyl-, C2-C4-alkynyl- or phenyl-substituted methyl; R2, R4 independently of one another are hydrogen or methyl; R3, R5 independently of one another are hydrogen or C1-C4-alkyl, trifluoromethyl or phenyl and X is —C(═CHCH3)—COOCH3, —C(═CHOCH3)—COOCH3, —C(═NOCH3)—COOCH3, —C(═NOCH3)—CONHCH3 or —N(OCH3)—COOCH3, and intermediates which are obtainable by this process are described. Alkenyl-substituted bis(oxime ether) derivatives of the formula I are described in the literature as interesting crop protection agents.
摘要:
Bicyclic compounds of the formula I in which A1 or A5 is C and the other of the two variables A1, A5 is N, C or C—R3; A2, A3, A4 independently of one another are N or C—R3a, where one of the variables A2, A3 or A4 may also be S or a group N—R4 if A1 and A5 are both C, and where A4 is not N or C—R3a if A1 is N, A3 is C—R3a and A5 is C, and where A1 is attached to A2 and A3 to A4 or A2 is attached to A3 and A4 to A5 or A1 is attached to A5 and A2 to A3 or A1 is attached to A5 and A3 to A4 or A1 is attached to A2 and A4 to A5 by double bonds; n is 0, 1, 2, 3, 4 or 5; Ra is halogen, cyano, C1-C6-alkyl, C1-C6-alkoxy, C1-C6-haloalkyl, C1-C6-haloalkoxy, C2-C6-alkenyl, C2-C6-alkenyloxy or C(O)R5; R1 is halogen, cyano, C1-C10-alkyl, where a carbon atom of the C1-C10-alkyl radical may be replaced by a silicium atom, C1-C6-haloalkyl, C2-C10-alkenyl, C2-C6-haloalkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C3-C8-cycloalkyl-C1-C4-alkyl, where the cycloalkyl moiety of the two last-mentioned groups may be unsubstituted or contain 1, 2, 3, 4, 5, or 6 radicals selected from the group consisting of C1-C4-alkylidene, C1-C4-alkyl, halogen, C1-C4-haloalkyl and hydroxy and the alkyl moiety of C3-C8-cycloalkyl-C1-C4-alkyl may be unsubstituted or contain 1, 2, 3, or 4 radicals selected from the group consisting of halogen, C1-C4-haloalkyl and hydroxy, C5-C8-cycloalkenyl which may be unsubstituted or contain 1, 2, 3 or 4 radicals selected from the group consisting of C1-C4-alkyl, halogen, C1-C4-haloalkyl and hydroxy, OR6, SR6, NR7R8, a radical of the formula —C(R11)(R12)C(═NOR13)(R14) or a radical of the formula —C(═NOR15)C(═NOR16)(R17); R2 is halogen, cyano, C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-haloalkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C5-C8-cycloalkenyl, OR6, SR6 or NR7R8; and the agriculturally acceptable salts of the compounds I, crop protection compositions comprising at least one compound of the formula I and/or an agriculturally acceptable salt of I and at least one solid or liquid carrier and a method for controlling phytopathogenic harmful fungi are described.
摘要:
The invention relates to 5-alkyl-7-aminotriazolopyrimidines of the formula (I) and to the salts thereof. In said formula substituents have the following meanings: R1 and R2 each is a hydrogen atom or a group of alkyl, alcenyl, haloalkyl, cycloalky, phenyl or naphtyle, saturated, unstaturated or aromatic heterocycle having from five to six members which contain from one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or R1 and R2 can from together with a connecting them nitrogen atom a cycle of 5 to 6 members containing from one to four nitrogen atoms or from one to three nitrogen atoms and one sulfur or oxygen atom, R3 is a cycloalkyl or bicycloalkyl group, R1, R2 and R3 can be substituted in conformity with a description, and X is an alkyl or alkyl halide group. The inventive methods and intermediary products necessary for producing said compounds, agents containing them and the use therefore for fighting against harmful mushroom are also disclosed.
摘要:
Substituted 6-(2-halogenphenyl)-triazolopyrimidines of formula I in which R1 denote alkyl, alkenyl, alkynyl, alkadienyl, haloalkyl, haloalkenyl, cycloalkyl, phenyl, naphthyl, or a 5- or 6-membered saturated, unsaturated, or aromatic heterocycle, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, wherein R1 and R2 radicals may be substituted as defined in the description, R2 denote hydrogen, or a group mentioned for R1; or R1 and R2 together with the interjacent nitrogen atom represent a 5- or 6-membered heterocycle, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, which ring may be substituted as defined in the description; Hal is halogen; L1, L3 independently denote hydrogen, halogen, or alkyl; L2 is hydrogen, halogen, haloalkyl, or NH2, NHRb, or N(Rb)2, wherein Rb is as defined in the description, wherein at least one from L1, L2, and L3 is not hydrogen; X is halogen, cyano, alkyl, alkoxy, haloalkoxy or alkenyloxy. processes for their preparation, compositions containing them and to their use for combating phytopathogenic fungi.
摘要:
Triazolopyrimidines of the formula I in which the index n and the substituents R1, R2 and R3 are as defined in the description, and processes for preparing these compounds, compositions comprising them and their use for controlling harmful fungi are described.
摘要:
2-Substituted triazolopyrimidines of the formula I, in which the substituents are as defined below: L are halogen, cyano, nitro, alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, alkoxy, alkenyloxy, alkynyloxy, haloalkoxy, —C(═O)-A or S(═O)pA′; A and A′ are as defined in the description; p is 0, 1 or 2; m is 0, 1, 2, 3, 4 or 5; X is cyano, alkyl, haloalkyl, alkoxy or haloalkoxy; R1,R2 are hydrogen, alkyl, haloalkyl, cycloalkyl, halocycloalkyl, alkenyl, alkadienyl, haloalkenyl, cycloalkenyl, alkynyl, haloalkynyl or cycloalkynyl, phenyl, naphthyl or a five- to ten-membered saturated, partially unsaturated or aromatic heterocycle which contains one to four heteroatoms from the group consisting of O, N and S, R1 and R2 together with the nitrogen atom to which they are attached may also form a five- or six-membered ring which may be interrupted by an atom from the group consisting of O, N and S, where R1 and/or R2 may be substituted as defined in the description; and R3 is cyano, hydroxyl, alkoxy, alkenyloxy, haloalkoxy, haloalkenyloxy, NR1R2 or S(O)nR31, where n and R31 are as defined in the description; Processes and intermediates for preparing these compounds, compositions comprising them and their use for controlling phytopathogenic harmful fungi are described.
摘要:
5-Alkyl-7-aminotriazolopyrimidines of the formula I, where: R1, R2 are hydrogen, alkyl, alkenyl, alkynyl, haloalkyl, cycloalkyl, phenyl, naphthyl; 5- or 6-membered saturated, unsaturated or aromatic heterocyclyl which contains one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom; or R1 and R2 together with the bridging nitrogen atom can form a 5- or 6-membered ring which contains one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom; R3 is cycloalkyl or bicycloalkyl; where R1, R2 and R3 may be substituted as outlined in the description; X is alkyl or haloalkyl; and their salts; processes and intermediates for their preparation, compositions comprising them and their use for controlling phytopathogenic harmful fungi are described.
摘要:
Substituted 6-(2-halogenphenyl)-triazolopyrimidines of formula I in which R1 denote alkyl, alkenyl, alkynyl, alkadienyl, haloalkyl, haloalkenyl, cycloalkyl, phenyl, naphthyl, or a 5- or 6-membered saturated, unsaturated, or aromatic heterocycle, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, wherein R1 and R2 radicals may be substituted as defined in the description, R2 denote hydrogen, or a group mentioned for R1; or R1 and R2 together with the interjacent nitrogen atom represent a 5- or 6-membered heterocycle, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, which ring may be substituted as defined in the description; Hal is halogen; L1, L3 independently denote hydrogen, halogen, or alkyl; L2 is hydrogen, halogen, haloalkyl, or NH2, NHRb, or N(Rb)2, wherein Rb is as defined in the description, wherein at least one from L1, L2, and L3 is not hydrogen; X is halogen, cyano, alkyl, alkoxy, haloalkoxy or alkenyloxy. processes for their preparation, compositions containing them and to their use for combating phytopathogenic fungi.