摘要:
The present invention relates to a process for the preparation of a compound of general formula (I), ##STR1## wherein R.sup.1 represents a hydrogen atom or an alkyl group of 1-6 carbon atoms, and their salts, wherein the compound of formula (II): ##STR2## is reacted with a compound of formula (III): ##STR3## wherein R represents an alkyl group of 1-4 carbon atoms and R.sup.1 is the same as defined above, by heating their neutral pH mixtures at the boiling temperature of the mixture, and the resulting compound of general formula (IV): ##STR4## wherein R and R.sup.1 are the same as defined above, is cyclized into the compound of general formula (I) by further elevating the temperature of the neutral mixture, and if desired, the compounds of general formula (I) are transformed into their salts, or the compounds of general formula (I) are liberated from their salts.
摘要:
The invention relates to new plant growth regulating compositions, which contain as active agent 0.001 to 95% by weight of one or more compound(s) of the general formula (I), ##STR1## wherein R.sup.1 and R.sup.2 each represent hydrogen atom, a C.sub.1-5 alkyl group, a C.sub.5-7 cycloalkyl group, an aryl group, a halogen-substituted aryl group, an aralkyl group, a C.sub.2-5 alkenyl group or a C.sub.2-5 alkynyl group, orR.sup.1 and R.sup.2 form, together with the adjacent nitrogen atom, a morpholino, pyrrolidino, piperidino or perhydroazepinyl group, andR.sup.3 stands for hydrogen or a C.sub.1-5 alkyl group,together with an inert, solid, liquid and/or gaseous carrier or diluent, and optionally one or more additives, such as surfactants or other substances of plant biological activity.The compounds of the general formula (I) in which R.sup.1 is hydrogen and R.sup.2 stands for hydrogen, C.sub.1-3 alkyl, aralkyl or C.sub.3-5 alkenyl group, furthermore in which R.sup.1 and R.sup.3 are hydrogen and R.sup.2 is an aryl group have already been described in the literature, whereas the remaining derivatives of the general formula (I) are new. These compounds can be prepared by reacting a compound of the general formula (II) ##STR2## with an amine of the general formula (III), ##STR3## or by alkylating a compound of the general formula (IV). ##STR4## In the above formulae X stands for halogen, hydroxy or C.sub.1-4 alkoxy, whereas R.sup.1, R.sup.2 and R.sup.3 have the meanings as defined above.
摘要:
The invention relates to new compounds of the general formula (I), ##STR1## wherein R.sup.1 is hydrogen or a lower alkoxy group andZ.sup.1 is hydrogen, orR.sup.1 and Z.sup.1 form together a double bond,Z.sup.2 is hydrogen andB is hydroxy, orZ.sup.2 and B form together a double bond,Z.sup.3 and Z.sup.4 each stand for hydrogen or they form together an ethylene group, orZ.sup.4 and D form together a double bond,C is oxygen atom or a lower alkoxy group,D is a valence bond if C stands for oxygen, or otherwise D forms a double bond together with Z.sup.4 or Z.sup.5,Z.sup.5 forms a double bond together with D or represents hydrogen, andR.sup.2 is a group of the general formula --COOR.sup.3, wherein R.sup.3 is lower alkyl, orZ.sup.5 and R.sup.2 form together a 1-oxo-2-oxa-tetramethylene group, with the proviso that if Z.sup.3 and Z.sup.4 form together an ethylene group, R.sup.2 may stand only for a --COOR.sup.3 group,insecticidal compositions containing them, as well as to a process for their preparation.
摘要:
The invention relates to new bicyclo(2.2.1)heptane derivatives of the general formula I ##STR1## wherein R represents a C.sub.1-12 alkyl group optionally substituted by a lower alkoxy group, a C.sub.2-4 alkenyl group or a phenyl-(lower alkyl) group optionally substituted on the phenyl ring by one or more lower alkoxy groups or halogen atoms.The invention relates further to plant growth regulating compositions comprising as active agent 0.001 to 95% by weight of a racemic and/or optically active compound of the general formula I, wherein R has the above defined meanings, along with a conventional organic or inorganic, solid and/or liquid carrier and/or filler and/or diluent and/or surfactant.The invention encompasses also the preparation of the compounds of the general formula I which comprises reacting a racemic or optically active compound of the general formula II ##STR2## wherein Y is an oxygen or sulfur atom or an oxim group, with a compund of the general formula IIIR - XwhereinR is as defined above, andX represents a leaving group, preferably a halogen atom, a sulfonyloxy or an aminooxy group, with the proviso that when using a compound of the general formula II, in which Y is an oxim group, X is other than aminooxy group,in the presence of a basic condensing agent, and optionally resolving the racemic compound of the general formula I obtained into its optically active antipodes.
摘要:
The invention relates to a composite insect attractant for male white-line dart moths [Scotia segetum] containing 7[Z]-dodecen-l-ol acetate of the formula [I] ##STR1## and 9[Z]-tetradecen-l-ol acetate of the formula [II] ##STR2## as active agents in a weight ratio of I to II of [50-99]:[50-1], optionally along with a liquid or solid adjuvant.Another object of the invention is an insect trap containing said composition and a process for attracting and trapping male white-line dart moths as well as a process for disrupting their mating by air permeation technique. The invention relates further to a novel process for the preparation of the active ingredients of the composition.
摘要:
The invention relates to new N-substituted amino propane sulfonic acid derivatives of the Formula I ##STR1## and salts and hydrates thereof, a process for the preparation thereof and plant growth regulating agents comprising the same whereinR.sup.1 and R.sup.2 may be identical or different and stand for hydrogen, halogen, lower alkyl or lower alkoxy andR stands for furyl; or lower alkyl or phenyl the two latter groups being optionally substituted by one or more halogeno atom(s).
摘要:
The invention relates to new bicyclo(2.2.1)heptane derivatives of the general formula I ##STR1## wherein R represents a C.sub.1-12 alkyl group optionally substituted by a lower alkoxy group, a C.sub.2-4 alkenyl group or a phenyl-(lower alkyl) group optionally substituted on (I), phenyl ring by one or more lower alkoxy groups or halogen atoms.The invention relates further to plant growth regulating compositions comprising as active agent 0.001 to 95% by weight of a racemic and/or optically active compound of the general formula I, wherein R has the above defined meanings, along with a conventional organic or inorganic, solid and/or liquid carrier and/or filler and/or diluent and/or surfactant.The invention encompasses also the preparation of the compounds of the general formula (I) which comprises reacting a racemic or optically active compound of the general formula (II) ##STR2## wherein Y is an oxygen or sulfur atom or an oxim group, with a compound of the general formula (III)R--XwhereinR is as defined above, andX represents a leaving group, preferably a halogen atom, a sulfonyloxy or an aminooxy group, with the proviso that when using a compound of the general formula (II), in which Y is an oxim group, X is other than aminooxy group,in the presence of a basic condensing agent, and optionally resolving the racemic compound of the general formula (I) obtained into its optically active antipodes.
摘要:
The invention relates to a composite insect attractant for male cabbage moths (Mamestra brassicae) containing (Z)-11-hexadecenyl acetate and (Z)-11-heptadecenyl acetate as active agents in a weight ratio of 70 to 90:80 to 1, optionally along with a liquid or solid adjuvant. An insect trap can contain the composition which is used for attracting and trapping cabbage moth. Their mating is disrupted by air permeation techniques. (Z)-11-heptadecenyl acetate is a synergistically active new compound. The composition according to the invention produces a significantly stronger stimulating reaction on male cabbage moths than the known sex lure compositions.
摘要:
A plant protecting composition with pesticidal effects contains an effective amount of at least one compound of the formula ##STR1## wherein R is a C.sub.1-20 alkyl group or a phenyl or phenyl-C.sub.1-3 alkylene group having optionally one or more C.sub.1-3 alkyl or halogen substituents on the phenyl ring, and a diluent in an amount necessary to make up the final weight of the composition. To kill plant pests, the composition is applied to growing plants either prior to or after emergence.
摘要:
The invention relates to nitroalkanol derivatives of the general formula (I), ##STR1## wherein R.sub.1 is a C.sub.2-12 alkenyl or alkadienyl group, a C.sub.4-12 alkoxyalkyl or alkoxyalkenyl group having one or more C.sub.1-3 alkyl substituents, a C.sub.3-6 cycloalkyl or cycloalkenyl group, a furyl group, a nitrofuryl group, or a phenyl group having optionally one or more identical or different substituents selected from the group consisting of hydroxy, C.sub.1-4 alkoxy, halogen, nitro, C.sub.1-4 alkylenedioxy and C.sub.1-4 alkenoyloxy groups,R.sub.2 and R.sub.4 each represent hydrogen or they form together a valence bond,R.sub.3 is a C.sub.1-12 alkanoyloxy group, a benzoyloxy group having optionally one or more halogen substituents or hydrogen atom, andR.sub.5 is a C.sub.1-12 alkyl group or a phenyl group having optionally one or more halogen substituents,with the proviso that if R.sub.2 and R.sub.4 each stand for hydrogen, R.sub.1 is other than unsubstituted phenyl and R.sub.3 may represent only a C.sub.1-4 alkanoyloxy group or a benzoyloxy group having optionally one or more halogen substituents, and with the further proviso that if R.sub.2 and R.sub.4 form together a valence bond and R.sub.5 is methyl, R.sub.1 is other than unsubstituted phenyl.The nitroalkenol derivatives defined above as well as the known 1-phenyl-2-nitro-3-acetoxy-propane-1 possess valuable pesticidal effects, primarily fungicidal activities, and can be applied to advantage in the agriculture as plant protecting agents.