CN103772243A - 一种甲基磺草酮的制备方法 - Google Patents
一种甲基磺草酮的制备方法 Download PDFInfo
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- CN103772243A CN103772243A CN201310743858.2A CN201310743858A CN103772243A CN 103772243 A CN103772243 A CN 103772243A CN 201310743858 A CN201310743858 A CN 201310743858A CN 103772243 A CN103772243 A CN 103772243A
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- 239000005578 Mesotrione Substances 0.000 title claims abstract description 18
- KPUREKXXPHOJQT-UHFFFAOYSA-N mesotrione Chemical compound [O-][N+](=O)C1=CC(S(=O)(=O)C)=CC=C1C(=O)C1C(=O)CCCC1=O KPUREKXXPHOJQT-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 72
- PLAZTCDQAHEYBI-UHFFFAOYSA-N 2-nitrotoluene Chemical compound CC1=CC=CC=C1[N+]([O-])=O PLAZTCDQAHEYBI-UHFFFAOYSA-N 0.000 claims abstract description 12
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims abstract description 10
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims abstract description 10
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 8
- HJSLFCCWAKVHIW-UHFFFAOYSA-N cyclohexane-1,3-dione Chemical compound O=C1CCCC(=O)C1 HJSLFCCWAKVHIW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 33
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 24
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 22
- 229910017604 nitric acid Inorganic materials 0.000 claims description 22
- OXBDLEXAVKAJFD-UHFFFAOYSA-N 1-methyl-4-methylsulfonyl-2-nitrobenzene Chemical compound CC1=CC=C(S(C)(=O)=O)C=C1[N+]([O-])=O OXBDLEXAVKAJFD-UHFFFAOYSA-N 0.000 claims description 21
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000010792 warming Methods 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 17
- 239000003960 organic solvent Substances 0.000 claims description 17
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 16
- 239000012065 filter cake Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 15
- OQFYBGANSUNUAO-UHFFFAOYSA-N 4-methyl-3-nitrobenzenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1[N+]([O-])=O OQFYBGANSUNUAO-UHFFFAOYSA-N 0.000 claims description 14
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 12
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000706 filtrate Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- 239000005711 Benzoic acid Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 235000010233 benzoic acid Nutrition 0.000 claims description 10
- 229960003053 thiamphenicol Drugs 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 150000007530 organic bases Chemical class 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical group ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 150000001263 acyl chlorides Chemical class 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 8
- 238000006722 reduction reaction Methods 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 7
- OILAIQUEIWYQPH-UHFFFAOYSA-N cyclohexane-1,2-dione Chemical compound O=C1CCCCC1=O OILAIQUEIWYQPH-UHFFFAOYSA-N 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 7
- 239000011707 mineral Substances 0.000 claims description 7
- 235000010755 mineral Nutrition 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 239000002594 sorbent Substances 0.000 claims description 7
- 101100494773 Caenorhabditis elegans ctl-2 gene Proteins 0.000 claims description 6
- 101100112369 Fasciola hepatica Cat-1 gene Proteins 0.000 claims description 6
- 101100005271 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) cat-1 gene Proteins 0.000 claims description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000006114 decarboxylation reaction Methods 0.000 claims description 6
- SKDDBIWRHFHMKM-UHFFFAOYSA-N 4-methylsulfonyl-2-nitrobenzoyl chloride Chemical compound CS(=O)(=O)C1=CC=C(C(Cl)=O)C([N+]([O-])=O)=C1 SKDDBIWRHFHMKM-UHFFFAOYSA-N 0.000 claims description 5
- 101150116295 CAT2 gene Proteins 0.000 claims description 5
- 101100326920 Caenorhabditis elegans ctl-1 gene Proteins 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 5
- 101100126846 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) katG gene Proteins 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 239000012074 organic phase Substances 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000010583 slow cooling Methods 0.000 claims description 5
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 4
- 238000007259 addition reaction Methods 0.000 claims description 4
- 238000006482 condensation reaction Methods 0.000 claims description 4
- 229910000397 disodium phosphate Inorganic materials 0.000 claims description 4
- 235000019800 disodium phosphate Nutrition 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- ISRXMEYARGEVIU-UHFFFAOYSA-N n-methyl-n-propan-2-ylpropan-2-amine Chemical compound CC(C)N(C)C(C)C ISRXMEYARGEVIU-UHFFFAOYSA-N 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- 238000006462 rearrangement reaction Methods 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- MWFMGBPGAXYFAR-UHFFFAOYSA-N 2-hydroxy-2-methylpropanenitrile Chemical compound CC(C)(O)C#N MWFMGBPGAXYFAR-UHFFFAOYSA-N 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 3
- 239000000539 dimer Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000005457 ice water Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000013517 stratification Methods 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 2
- SPEUIVXLLWOEMJ-UHFFFAOYSA-N acetaldehyde dimethyl acetal Natural products COC(C)OC SPEUIVXLLWOEMJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 239000013067 intermediate product Substances 0.000 claims description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 239000001488 sodium phosphate Substances 0.000 claims description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000003054 catalyst Substances 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 3
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 abstract 1
- 235000010265 sodium sulphite Nutrition 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000012043 crude product Substances 0.000 description 9
- 238000009835 boiling Methods 0.000 description 8
- 238000005160 1H NMR spectroscopy Methods 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 239000005864 Sulphur Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- RMFGNMMNUZWCRZ-UHFFFAOYSA-N Humulone Natural products CC(C)CC(=O)C1=C(O)C(O)(CC=C(C)C)C(O)=C(CC=C(C)C)C1=O RMFGNMMNUZWCRZ-UHFFFAOYSA-N 0.000 description 3
- VMSLCPKYRPDHLN-NRFANRHFSA-N humulone Chemical compound CC(C)CC(=O)C1=C(O)C(CC=C(C)C)=C(O)[C@@](O)(CC=C(C)C)C1=O VMSLCPKYRPDHLN-NRFANRHFSA-N 0.000 description 3
- 239000003317 industrial substance Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007039 two-step reaction Methods 0.000 description 3
- 0 Cc(cc1)c*([N+]([O-])=O)c1C(O)=O Chemical compound Cc(cc1)c*([N+]([O-])=O)c1C(O)=O 0.000 description 2
- MZILPZDBVFUXMY-UHFFFAOYSA-N [O-][N+]([S])=O Chemical compound [O-][N+]([S])=O MZILPZDBVFUXMY-UHFFFAOYSA-N 0.000 description 2
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 2
- 229940106681 chloroacetic acid Drugs 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- -1 nitre sulphur ketone Chemical class 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- GMVPRGQOIOIIMI-DODZYUBVSA-N 7-[(1R,2R,3R)-3-hydroxy-2-[(3S)-3-hydroxyoct-1-enyl]-5-oxocyclopentyl]heptanoic acid Chemical compound CCCCC[C@H](O)C=C[C@H]1[C@H](O)CC(=O)[C@@H]1CCCCCCC(O)=O GMVPRGQOIOIIMI-DODZYUBVSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
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- 102000016680 Dioxygenases Human genes 0.000 description 1
- 108010028143 Dioxygenases Proteins 0.000 description 1
- OUYCCCASQSFEME-QMMMGPOBSA-N L-tyrosine Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-QMMMGPOBSA-N 0.000 description 1
- FKUYMLZIRPABFK-UHFFFAOYSA-N Plastoquinone 9 Natural products CC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCC1=CC(=O)C(C)=C(C)C1=O FKUYMLZIRPABFK-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000003541 multi-stage reaction Methods 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- FKUYMLZIRPABFK-IQSNHBBHSA-N plastoquinone-9 Chemical compound CC(C)=CCC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC1=CC(=O)C(C)=C(C)C1=O FKUYMLZIRPABFK-IQSNHBBHSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000006103 sulfonylation Effects 0.000 description 1
- 238000005694 sulfonylation reaction Methods 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
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Claims (10)
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103965084A (zh) * | 2014-05-14 | 2014-08-06 | 江苏常隆农化有限公司 | 硝草酮的生产方法 |
CN104016894A (zh) * | 2014-06-09 | 2014-09-03 | 中化农化有限公司 | 一种生产2-硝基-4-甲砜基苯甲酸的催化工艺 |
CN104086438A (zh) * | 2014-06-30 | 2014-10-08 | 浙江中山化工集团股份有限公司 | 一种甲基磺草酮溶剂回收工艺 |
WO2015194424A1 (ja) * | 2014-06-16 | 2015-12-23 | イハラケミカル工業株式会社 | トリケトン化合物の製造方法 |
CN105712912A (zh) * | 2014-12-02 | 2016-06-29 | 浙江省诸暨合力化学对外贸易有限公司 | 一种三酮类化合物及其中间体的制备方法 |
WO2016197900A1 (en) * | 2015-06-08 | 2016-12-15 | Rotam Agrochem International Company Limited | Process for preparing mesotrione |
CN106565560A (zh) * | 2016-11-11 | 2017-04-19 | 湖北广富林生物制剂有限公司 | 一种硝磺草酮的合成工艺 |
CN108201894A (zh) * | 2016-12-20 | 2018-06-26 | 海利尔药业集团股份有限公司 | 一种制备2-硝基-4-甲砜基苯甲酸的氧化催化剂 |
CN108530325A (zh) * | 2017-03-06 | 2018-09-14 | 浙江中山化工集团股份有限公司 | 一种甲基磺草酮的生产方法 |
CN108997175A (zh) * | 2018-06-28 | 2018-12-14 | 金华双宏化工有限公司 | 氯磺酸磺化制备间硝基苯磺酸钠及其衍生物的方法 |
EP3612516A4 (en) * | 2017-03-27 | 2021-03-17 | Gharda Chemicals Limited | SYNTHESIS OF MESOTRION |
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US5006158A (en) * | 1984-12-20 | 1991-04-09 | Ici Americas Inc. | Certain 2-(2-substituted benzoyl)-1,3-cyclohexanediones |
US5318947A (en) * | 1989-10-18 | 1994-06-07 | Hoechst Aktiengesellschaft | Method for controlling harmful plants in rice with 2-benzoyl-1,3-cyclohexanedione derivatives |
CN101066944A (zh) * | 2007-06-08 | 2007-11-07 | 浙江工业大学 | 一种磺草酮的合成方法 |
CN102174003A (zh) * | 2011-03-10 | 2011-09-07 | 江苏长青农化股份有限公司 | 一种甲基磺草酮的合成方法 |
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2013
- 2013-12-30 CN CN201310743858.2A patent/CN103772243B/zh active Active
Patent Citations (4)
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US5006158A (en) * | 1984-12-20 | 1991-04-09 | Ici Americas Inc. | Certain 2-(2-substituted benzoyl)-1,3-cyclohexanediones |
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