Patent classifications
C07C251/40
Ketone or oxime compound, and herbicide
There is provided novel agricultural chemicals, in particular herbicides. A ketone or oxime compound or a salt thereof of Formula (1): ##STR00001##
wherein B is a ring of any one of B-1, B-2, or B-3, Q is an oxygen atom, a sulfur atom, NOR.sup.7, etc., R.sup.6 is a hydrogen atom, C.sub.1-6 alkyl, etc., R.sup.7 is a hydrogen atom, C.sub.1-6 alkyl, etc., R.sup.8a, R.sup.8b, R.sup.9a, R.sup.9b, R.sup.10, R.sup.11, R.sup.12, R.sup.13, and R.sup.14 are each independently a hydrogen atom, C.sub.1-6 alkyl, etc., m is an integer of 1 or 2, n is an integer of 0, 1 or 2; and a herbicide including the compound or salt thereof.
SYNTHETIC INTERMEDIATE OF 1-(2-DEOXY-2-FLUORO-4-THIO-?-D-ARABINOFURANOSYL)CYTOSINE, SYNTHETIC INTERMEDIATE OF THIONUCLEOSIDE, AND METHOD FOR PRODUCING THE SAME
A compound represented by a formula [1D] as shown below (wherein R.sup.1A, R.sup.1B, R.sup.2A, R.sup.2B, R.sup.3A and R.sup.3B represent a hydrogen atom, an optionally substituted C.sub.1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
##STR00001##
SYNTHETIC INTERMEDIATE OF 1-(2-DEOXY-2-FLUORO-4-THIO-?-D-ARABINOFURANOSYL)CYTOSINE, SYNTHETIC INTERMEDIATE OF THIONUCLEOSIDE, AND METHOD FOR PRODUCING THE SAME
A compound represented by a formula [1D] as shown below (wherein R.sup.1A, R.sup.1B, R.sup.2A, R.sup.2B, R.sup.3A and R.sup.3B represent a hydrogen atom, an optionally substituted C.sub.1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
##STR00001##
Stereoselective process to obtain (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides using E,Z-isomer mixture of and intermediates thereof
The present invention relates to a process for preparation of intermediates (Z,2E)-5-hydroxy-2-methoxyimino-N-methyl-pent-3-enamides from 4-substituted 5-meth-oxyimino-2H-pyran-6-ones and their processing for example to (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides. The invention also relates to a process for preparation of 4-substituted 5-imino-2H-pyran-6-ones and to novel intermediates for the preparation of fungicidal (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides.
Stereoselective process to obtain (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides using E,Z-isomer mixture of and intermediates thereof
The present invention relates to a process for preparation of intermediates (Z,2E)-5-hydroxy-2-methoxyimino-N-methyl-pent-3-enamides from 4-substituted 5-meth-oxyimino-2H-pyran-6-ones and their processing for example to (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides. The invention also relates to a process for preparation of 4-substituted 5-imino-2H-pyran-6-ones and to novel intermediates for the preparation of fungicidal (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides.
Stereoselective process to obtain (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides using E,Z-isomer mixture of and intermediates thereof
The present invention relates to a process for preparation of intermediates (Z,2E)-5-hydroxy-2-methoxyimino-N-methyl-pent-3-enamides from 4-substituted 5-meth-oxyimino-2H-pyran-6-ones and their processing for example to (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides. The invention also relates to a process for preparation of 4-substituted 5-imino-2H-pyran-6-ones and to novel intermediates for the preparation of fungicidal (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides.
Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-?-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
A compound represented by a formula [1D] as shown below (wherein R.sup.1A, R.sup.1B, R.sup.2A, R.sup.2B, R.sup.3A and R.sup.3B represent a hydrogen atom, an optionally substituted C.sub.1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside. ##STR00001##
Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-?-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
A compound represented by a formula [1D] as shown below (wherein R.sup.1A, R.sup.1B, R.sup.2A, R.sup.2B, R.sup.3A and R.sup.3B represent a hydrogen atom, an optionally substituted C.sub.1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside. ##STR00001##
Acrylate derivative, use and production intermediate compound of the same
The present invention provides a compound represented by formula (I) [wherein L represents an oxygen atom or CH.sub.2, E represents a C2-C10 chain hydrocarbon group or the like, R.sup.1 represents a C1-C3 chain hydrocarbon group or the like, R.sup.2 represents a C1-C3 chain hydrocarbon group or the like, and n is 0, 1, 2 or 3.] or its N oxide or agriculturally acceptable salt, which is a compound that have excellent pests controlling effects. ##STR00001##
Acrylate derivative, use and production intermediate compound of the same
The present invention provides a compound represented by formula (I) [wherein L represents an oxygen atom or CH.sub.2, E represents a C2-C10 chain hydrocarbon group or the like, R.sup.1 represents a C1-C3 chain hydrocarbon group or the like, R.sup.2 represents a C1-C3 chain hydrocarbon group or the like, and n is 0, 1, 2 or 3.] or its N oxide or agriculturally acceptable salt, which is a compound that have excellent pests controlling effects. ##STR00001##