JP7482125B2 - 2,6-ジクロロベンゾニトリルの調製のためのプロセス - Google Patents
2,6-ジクロロベンゾニトリルの調製のためのプロセス Download PDFInfo
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- JP7482125B2 JP7482125B2 JP2021526358A JP2021526358A JP7482125B2 JP 7482125 B2 JP7482125 B2 JP 7482125B2 JP 2021526358 A JP2021526358 A JP 2021526358A JP 2021526358 A JP2021526358 A JP 2021526358A JP 7482125 B2 JP7482125 B2 JP 7482125B2
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- Prior art keywords
- dichlorobenzonitrile
- nitrobenzonitrile
- chloro
- carried out
- cyanide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims description 53
- 230000008569 process Effects 0.000 title claims description 47
- YOYAIZYFCNQIRF-UHFFFAOYSA-N 2,6-dichlorobenzonitrile Chemical compound ClC1=CC=CC(Cl)=C1C#N YOYAIZYFCNQIRF-UHFFFAOYSA-N 0.000 title claims description 33
- 238000002360 preparation method Methods 0.000 title description 12
- ZHLCARBDIRRRHD-UHFFFAOYSA-N 2-chloro-6-nitrobenzonitrile Chemical compound [O-][N+](=O)C1=CC=CC(Cl)=C1C#N ZHLCARBDIRRRHD-UHFFFAOYSA-N 0.000 claims description 33
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical group CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 23
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 13
- CMVQZRLQEOAYSW-UHFFFAOYSA-N 1,2-dichloro-3-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC(Cl)=C1Cl CMVQZRLQEOAYSW-UHFFFAOYSA-N 0.000 claims description 12
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 claims description 10
- 150000001408 amides Chemical class 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 7
- DOBRDRYODQBAMW-UHFFFAOYSA-N copper(i) cyanide Chemical compound [Cu+].N#[C-] DOBRDRYODQBAMW-UHFFFAOYSA-N 0.000 claims description 7
- GBDZXPJXOMHESU-UHFFFAOYSA-N 1,2,3,4-tetrachlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1Cl GBDZXPJXOMHESU-UHFFFAOYSA-N 0.000 claims description 6
- NHWQMJMIYICNBP-UHFFFAOYSA-N 2-chlorobenzonitrile Chemical compound ClC1=CC=CC=C1C#N NHWQMJMIYICNBP-UHFFFAOYSA-N 0.000 claims description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- JHSPCUHPSIUQRB-UHFFFAOYSA-N 2,6-dichlorobenzamide Chemical compound NC(=O)C1=C(Cl)C=CC=C1Cl JHSPCUHPSIUQRB-UHFFFAOYSA-N 0.000 claims description 3
- QKQOMMBJZSLYJO-UHFFFAOYSA-N 1,5,6-trichlorocyclohexa-2,4-diene-1-carbonitrile Chemical compound ClC1(C#N)C(C(=CC=C1)Cl)Cl QKQOMMBJZSLYJO-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
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 238000007333 cyanation reaction Methods 0.000 claims description 2
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 claims description 2
- RWFBQHICRCUQJJ-NUHJPDEHSA-N (S)-nicotine N(1')-oxide Chemical compound C[N+]1([O-])CCC[C@H]1C1=CC=CN=C1 RWFBQHICRCUQJJ-NUHJPDEHSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 30
- 239000000047 product Substances 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 150000008359 benzonitriles Chemical class 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910001510 metal chloride Inorganic materials 0.000 description 4
- RXQNKKRGJJRMKD-UHFFFAOYSA-N 5-bromo-2-methylaniline Chemical compound CC1=CC=C(Br)C=C1N RXQNKKRGJJRMKD-UHFFFAOYSA-N 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- 230000002363 herbicidal effect Effects 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- RELMFMZEBKVZJC-UHFFFAOYSA-N 1,2,3-trichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1Cl RELMFMZEBKVZJC-UHFFFAOYSA-N 0.000 description 2
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
- DMEDNTFWIHCBRK-UHFFFAOYSA-N 1,3-dichloro-2-methylbenzene Chemical compound CC1=C(Cl)C=CC=C1Cl DMEDNTFWIHCBRK-UHFFFAOYSA-N 0.000 description 2
- RYMMNSVHOKXTNN-UHFFFAOYSA-N 1,3-dichloro-5-methyl-benzene Natural products CC1=CC(Cl)=CC(Cl)=C1 RYMMNSVHOKXTNN-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000006193 diazotization reaction Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003828 vacuum filtration Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KGKGSIUWJCAFPX-UHFFFAOYSA-N 2,6-dichlorothiobenzamide Chemical compound NC(=S)C1=C(Cl)C=CC=C1Cl KGKGSIUWJCAFPX-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- NJVHJTQSGGRHGP-UHFFFAOYSA-K [Li].[Al+3].[Cl-].[Cl-].[Cl-] Chemical compound [Li].[Al+3].[Cl-].[Cl-].[Cl-] NJVHJTQSGGRHGP-UHFFFAOYSA-K 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000010 aprotic solvent Substances 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
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 208000012839 conversion disease Diseases 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- -1 e.g. Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 150000002367 halogens Chemical group 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000000749 insecticidal effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002825 nitriles Chemical group 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000000066 reactive distillation Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006042 reductive dechlorination reaction Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/14—Preparation of carboxylic acid nitriles by reaction of cyanides with halogen-containing compounds with replacement of halogen atoms by cyano groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C255/50—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
a)2-クロロ-6-ニトロベンゾニトリルを調製するステップと、
b)任意選択で、2-クロロ-6-ニトロベンゾニトリルを精製するステップと、
c)2,6-ジクロロベンゾニトリルを調製するステップと、
d)任意選択で、2,6-ジクロロベンゾニトリルを精製するステップと、を含む、プロセスを提供する。
a)2-クロロ-6-ニトロベンゾニトリル2-クロロ-6-ニトロベンゾニトリルを得るための、非プロトン性アミドの存在下で、1,2-ジクロロ-3-ニトロベンゼンと、金属シアン化物及び/又は金属塩化物又はそれらの混合物との反応と、
b)2,6-ジクロロベンゾニトリルを得るための、塩素ガスによる2-クロロ-6-ニトロベンゾニトリルの脱ニトロ塩素化と、を含む。
a)得るための、非プロトン性アミドの存在下で、1,2-ジクロロ-3-ニトロベンゼンと、金属シアン化物及び/又は金属塩化物又はそれらの混合物との反応と、
b)2,6-ジクロロベンゾニトリルを得るための、溶媒を用いない塩素ガスによる2-クロロ-6-ニトロベンゾニトリルの脱塩素化と、を含む。
以下の実施例のプロセスは、反応における温度の影響を実証する。
オーバーヘッド撹拌器、TP、強力な(vigorous)カラムを有し、かつ油浴中の濃H2SO4スクラバーを有する、1リットルの4つ口RBFに、2-クロロ-6-ニトロベンゾニトリルを充填し、温度を上昇させた。次いで、塩素ガスを、一定の速度でフラスコ中にゆっくりとパージした。
2-クロロ-6-ニトロベンゾニトリル(実施例7に記載されるプロセスから得られたもの)を、濃硫酸及び苛性スクラバー(caustic scrubber)、オーバーヘッド撹拌器及び電気加熱式油浴を備えたRBF中に充填し、温度を195℃に上昇させた。次いで、塩素ガスを、様々な速度に制御された順序で10~16時間パージした。得られた反応塊を分析したところ、2,6-CNBN変換は99%以上、2,6-ジクロロベンゾニトリルは92-94%を示した。反応塊を100℃でモノクロロベンゼンで希釈し、10%の炭酸ナトリウム水溶液で洗浄することによって中和し、活性炭で脱色した。
2-クロロ-6-ニトロベンゾニトリルの調製のためのプロセス
Claims (7)
- 2,6-ジクロロベンゾニトリルを生産するためのプロセスであって、
a)触媒活性量の非プロトン性アミドの存在下において、1,2-ジクロロ-3-ニトロベンゼンをシアノ化して、2-クロロ-6-ニトロベンゾニトリルを得る工程であって、シアン化ナトリウムとシアン化銅、あるいはシアン化ナトリウムと塩化銅、あるいはシアン化ナトリウムとシアン化銅と塩化銅との混合物の存在下で実施される工程と、
b)塩素ガスで2-クロロ-6-ニトロベンゾニトリルを脱ニトロ塩素化して、2,6-ジクロロベンゾニトリルを得る工程であって、前記脱ニトロ塩素化を、溶媒の不在下、前記2-クロロ-6-ニトロベンゾニトリルと前記塩素ガスとの比が1:1~1:5の範囲にある条件下で5~15時間実施する工程と、
を含む、プロセス。 - 100~200℃の範囲の温度で実施される、請求項1に記載のプロセス。
- 前記2,6-ジクロロベンゾニトリルが、NOX又は2-クロロベンゾニトリル又は1,2,3-トリクロロベンゾニトリル又はテトラクロロベンゼン又は2,6-ジクロロベンズアミドを実質的に含まない、請求項1に記載のプロセス。
- 前記2,6-ジクロロベンゾニトリルが、少なくとも80%の収率及び少なくとも99%の純度で生産される、請求項1に記載のプロセス。
- 前記工程b)を、150℃~200℃で8~11時間実施する、請求項1に記載のプロセス。
- 前記工程b)を、190℃~200℃で9~10時間実施する、請求項1に記載のプロセス。
- 前記非プロトン性アミドが、N,N-ジメチルホルムアミド、ジメチルスルホキシド、N,N-ジメチルアセトアミド、ヘキサメチルホスホラミド及びN-メチルピロリドンから選択される、請求項1に記載のプロセス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862768407P | 2018-11-16 | 2018-11-16 | |
US62/768,407 | 2018-11-16 | ||
PCT/US2019/061792 WO2020102716A1 (en) | 2018-11-16 | 2019-11-15 | Process for preparation of 2,6-dichlorobenzonitrile |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022507433A JP2022507433A (ja) | 2022-01-18 |
JP7482125B2 true JP7482125B2 (ja) | 2024-05-13 |
Family
ID=70727606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021526358A Active JP7482125B2 (ja) | 2018-11-16 | 2019-11-15 | 2,6-ジクロロベンゾニトリルの調製のためのプロセス |
Country Status (7)
Country | Link |
---|---|
US (1) | US11708322B2 (ja) |
JP (1) | JP7482125B2 (ja) |
KR (1) | KR20210092214A (ja) |
CN (1) | CN113038835B (ja) |
AR (1) | AR117098A1 (ja) |
CA (1) | CA3120115A1 (ja) |
WO (1) | WO2020102716A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115108983B (zh) * | 2022-07-28 | 2023-04-07 | 定远县嘉禾植物保护剂有限责任公司 | 一种二氯喹啉酸的制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB861899A (en) * | 1959-07-23 | 1961-03-01 | Shell Res Ltd | Process for the manufacture of halogen substituted aromatic nitriles |
GB861898A (en) * | 1959-07-24 | 1961-03-01 | Shell Res Ltd | Improvements in or relating to the preparation of cyclic nitriles |
BE637746A (ja) * | 1962-09-25 | |||
US3351651A (en) * | 1964-05-05 | 1967-11-07 | Du Pont | Process for preparing 2, 6-dichloro-benzonitrile |
EP0006999B1 (en) | 1978-06-12 | 1981-04-01 | Nippon Kayaku Kabushiki Kaisha | A process for the production of 2-chlorobenzonitrile derivatives |
JPS55120549A (en) * | 1979-03-09 | 1980-09-17 | Nippon Kayaku Co Ltd | Preparation of 2-chloro-6-nitrobenzonitrile |
CN103382166B (zh) | 2013-07-26 | 2015-04-08 | 扬州天辰精细化工有限公司 | 一种制备2,6-二氯苯腈的方法 |
-
2019
- 2019-11-15 CN CN201980074459.7A patent/CN113038835B/zh active Active
- 2019-11-15 AR ARP190103369A patent/AR117098A1/es unknown
- 2019-11-15 KR KR1020217015069A patent/KR20210092214A/ko unknown
- 2019-11-15 US US16/685,703 patent/US11708322B2/en active Active
- 2019-11-15 JP JP2021526358A patent/JP7482125B2/ja active Active
- 2019-11-15 CA CA3120115A patent/CA3120115A1/en active Pending
- 2019-11-15 WO PCT/US2019/061792 patent/WO2020102716A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2022507433A (ja) | 2022-01-18 |
CN113038835A (zh) | 2021-06-25 |
US20200157043A1 (en) | 2020-05-21 |
CN113038835B (zh) | 2023-03-28 |
CA3120115A1 (en) | 2020-05-22 |
WO2020102716A1 (en) | 2020-05-22 |
US11708322B2 (en) | 2023-07-25 |
KR20210092214A (ko) | 2021-07-23 |
AR117098A1 (es) | 2021-07-07 |
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