JPH11511470A - アゾメチンおよびα−ハロアセトアニリドの製造プロセス - Google Patents
アゾメチンおよびα−ハロアセトアニリドの製造プロセスInfo
- Publication number
- JPH11511470A JPH11511470A JP9512480A JP51248097A JPH11511470A JP H11511470 A JPH11511470 A JP H11511470A JP 9512480 A JP9512480 A JP 9512480A JP 51248097 A JP51248097 A JP 51248097A JP H11511470 A JPH11511470 A JP H11511470A
- Authority
- JP
- Japan
- Prior art keywords
- azomethine
- evaporator
- reaction
- continuously
- formaldehyde
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims abstract description 7
- 238000001704 evaporation Methods 0.000 claims abstract description 5
- 125000003118 aryl group Chemical group 0.000 claims abstract description 4
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 42
- 239000011541 reaction mixture Substances 0.000 claims description 10
- 239000011552 falling film Substances 0.000 claims description 7
- 229920002866 paraformaldehyde Polymers 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 4
- 239000012442 inert solvent Substances 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 239000010408 film Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 238000010923 batch production Methods 0.000 abstract description 7
- 238000010924 continuous production Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 12
- 239000002904 solvent Substances 0.000 description 9
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 7
- 239000008096 xylene Substances 0.000 description 7
- 229930040373 Paraformaldehyde Natural products 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- PCJKDSWECWZMRV-UHFFFAOYSA-N 2-chloro-n-(chloromethyl)-n-phenylacetamide Chemical compound ClCC(=O)N(CCl)C1=CC=CC=C1 PCJKDSWECWZMRV-UHFFFAOYSA-N 0.000 description 5
- 239000002585 base Substances 0.000 description 5
- 230000002363 herbicidal effect Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- VGCXGMAHQTYDJK-UHFFFAOYSA-N Chloroacetyl chloride Chemical compound ClCC(Cl)=O VGCXGMAHQTYDJK-UHFFFAOYSA-N 0.000 description 4
- 125000001309 chloro group Chemical group Cl* 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- VONWPEXRCLHKRJ-UHFFFAOYSA-N 2-chloro-n-phenylacetamide Chemical compound ClCC(=O)NC1=CC=CC=C1 VONWPEXRCLHKRJ-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- -1 or oxide Chemical class 0.000 description 3
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 3
- CZZZABOKJQXEBO-UHFFFAOYSA-N 2,4-dimethylaniline Chemical compound CC1=CC=C(N)C(C)=C1 CZZZABOKJQXEBO-UHFFFAOYSA-N 0.000 description 2
- UFFBMTHBGFGIHF-UHFFFAOYSA-N 2,6-dimethylaniline Chemical compound CC1=CC=CC(C)=C1N UFFBMTHBGFGIHF-UHFFFAOYSA-N 0.000 description 2
- JJVKJJNCIILLRP-UHFFFAOYSA-N 2-ethyl-6-methylaniline Chemical compound CCC1=CC=CC(C)=C1N JJVKJJNCIILLRP-UHFFFAOYSA-N 0.000 description 2
- MLPVBIWIRCKMJV-UHFFFAOYSA-N 2-ethylaniline Chemical compound CCC1=CC=CC=C1N MLPVBIWIRCKMJV-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FZERHIULMFGESH-UHFFFAOYSA-N N-phenylacetamide Chemical compound CC(=O)NC1=CC=CC=C1 FZERHIULMFGESH-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229940051881 anilide analgesics and antipyretics Drugs 0.000 description 2
- 150000003931 anilides Chemical class 0.000 description 2
- 150000001448 anilines Chemical class 0.000 description 2
- 239000003849 aromatic solvent Substances 0.000 description 2
- 125000001246 bromo group Chemical group Br* 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 125000001475 halogen functional group Chemical group 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- RNVCVTLRINQCPJ-UHFFFAOYSA-N o-toluidine Chemical compound CC1=CC=CC=C1N RNVCVTLRINQCPJ-UHFFFAOYSA-N 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- SGUVLZREKBPKCE-UHFFFAOYSA-N 1,5-diazabicyclo[4.3.0]-non-5-ene Chemical compound C1CCN=C2CCCN21 SGUVLZREKBPKCE-UHFFFAOYSA-N 0.000 description 1
- ULHFFAFDSSHFDA-UHFFFAOYSA-N 1-amino-2-ethoxybenzene Chemical compound CCOC1=CC=CC=C1N ULHFFAFDSSHFDA-UHFFFAOYSA-N 0.000 description 1
- AVFZOVWCLRSYKC-UHFFFAOYSA-N 1-methylpyrrolidine Chemical compound CN1CCCC1 AVFZOVWCLRSYKC-UHFFFAOYSA-N 0.000 description 1
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 1
- FOYHNROGBXVLLX-UHFFFAOYSA-N 2,6-diethylaniline Chemical compound CCC1=CC=CC(CC)=C1N FOYHNROGBXVLLX-UHFFFAOYSA-N 0.000 description 1
- GWIUAENVORNODL-UHFFFAOYSA-N 2-tert-butyl-6-methylaniline Chemical compound CC1=CC=CC(C(C)(C)C)=C1N GWIUAENVORNODL-UHFFFAOYSA-N 0.000 description 1
- YHIXNEBCEOPTRZ-UHFFFAOYSA-N 3,4,5-trichloro-2,6-dimethylaniline Chemical compound CC1=C(N)C(C)=C(Cl)C(Cl)=C1Cl YHIXNEBCEOPTRZ-UHFFFAOYSA-N 0.000 description 1
- LDGCMTNKOLBWDY-UHFFFAOYSA-N 3-ethoxy-n-phenylpropanamide Chemical compound CCOCCC(=O)NC1=CC=CC=C1 LDGCMTNKOLBWDY-UHFFFAOYSA-N 0.000 description 1
- 239000010963 304 stainless steel Substances 0.000 description 1
- AXAWJNBIIGYWAJ-UHFFFAOYSA-N 6-tert-butyl-2,3-dimethylaniline Chemical compound CC1=CC=C(C(C)(C)C)C(N)=C1C AXAWJNBIIGYWAJ-UHFFFAOYSA-N 0.000 description 1
- 240000005589 Calophyllum inophyllum Species 0.000 description 1
- 235000009590 Calophyllum inophyllum Nutrition 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- HTLZVHNRZJPSMI-UHFFFAOYSA-N N-ethylpiperidine Chemical compound CCN1CCCCC1 HTLZVHNRZJPSMI-UHFFFAOYSA-N 0.000 description 1
- AHVYPIQETPWLSZ-UHFFFAOYSA-N N-methyl-pyrrolidine Natural products CN1CC=CC1 AHVYPIQETPWLSZ-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229960001413 acetanilide Drugs 0.000 description 1
- 150000001266 acyl halides Chemical class 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000005997 bromomethyl group Chemical group 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001212 derivatisation Methods 0.000 description 1
- GGCJLWBMJYGIRE-UHFFFAOYSA-N ethanol;formaldehyde Chemical compound O=C.CCO GGCJLWBMJYGIRE-UHFFFAOYSA-N 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000004970 halomethyl group Chemical group 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- PPHQUIPUBYPZLD-UHFFFAOYSA-N n-ethyl-n-methylaniline Chemical compound CCN(C)C1=CC=CC=C1 PPHQUIPUBYPZLD-UHFFFAOYSA-N 0.000 description 1
- VMPITZXILSNTON-UHFFFAOYSA-N o-anisidine Chemical compound COC1=CC=CC=C1N VMPITZXILSNTON-UHFFFAOYSA-N 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C249/00—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C249/02—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of compounds containing imino groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/10—Preparation of carboxylic acid amides from compounds not provided for in groups C07C231/02 - C07C231/08
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Cephalosporin Compounds (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.アニリンとホルムアルデヒドとの反応により芳香族アゾメチンを製造するプ ロセスであって、該ホルムアルデヒドが、触媒量の塩基の存在下において、パラ ホルムアルデヒドと、1個〜4個の炭素原子を有する脂肪族アルコールの0.25モ ル当量〜3モル当量とを接触させることにより製造される生成物の形態で供給さ れ、該プロセスが、(a)該反応を連続的に実施する工程;および(b)該反応混合物 から、反応水を連続的にエバポレートする工程;を包含することを特徴とする、 プロセス。 2.前記工程(a)および(b)が、前記反応混合物を1つ以上のエバポレーターに通 過させることにより実施される、請求項1に記載のプロセス。 3.前記エバポレーターが、向流接触式のエバポレーターである、請求項2に記 載のプロセス。 4.前記工程(a)が、連続撹拌タンクリアクター中で実施される、請求項1に記 載のプロセス。 5.前記工程(a)および/または(b)が、2つ以上の連続アップフローエバポレー ター中で実施される、請求項1に記載のプロセス。 6.前記工程(a)および/または(b)が、1つ以上のフォーリングフィルムエバポ レーター、ダウンフローフラッデッドエバポレーター、または上部にフォーリン グフィルム部を有し、下部にフラッデッド部を有する組み合わせエバポレーター 中で実施される、請求項1に記載のプロセス。 7.前記工程(a)および/または(b)が、1つ以上のエバポレーター中で実施され 、不活性気体または濃縮可能な気体が該エバポレーターの下部にスパージされる 、 請求項1に記載のプロセス。 8.前記アゾメチン製造が、不活性溶媒の存在下で行われる、請求項1に記載の プロセス。 9.前記アゾメチン製造が、不活性溶媒の非存在下で行われる、請求項1に記載 のプロセス。 10.前記工程(b)のアゾメチン生成物を、ハロアセチル化試薬と連続的に反応 させて、α-ハロ-N-ハロメチルアセトアニリドを製造する工程をさらに包含する 、請求項1に記載のプロセス。 11.前記α-ハロ-N-ハロメチルアセトアニリドを、脂肪族アルコールと連続的 に反応させて、N-アルコキシアルキル-α-ハロアセトアニリドを製造する工程を さらに包含する、請求項10に記載のプロセス。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US418195P | 1995-09-22 | 1995-09-22 | |
| US60/004,181 | 1995-09-22 | ||
| PCT/GB1996/002311 WO1997011051A1 (en) | 1995-09-22 | 1996-09-19 | Process for the production of azomethines and alpha-haloacetanilides |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006340607A Division JP2007106773A (ja) | 1995-09-22 | 2006-12-18 | アゾメチンおよびα−ハロアセトアニリドの製造プロセス |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11511470A true JPH11511470A (ja) | 1999-10-05 |
| JP3990453B2 JP3990453B2 (ja) | 2007-10-10 |
Family
ID=21709569
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51248097A Expired - Fee Related JP3990453B2 (ja) | 1995-09-22 | 1996-09-19 | アゾメチンおよびα−ハロアセトアニリドの製造プロセス |
| JP2006340607A Withdrawn JP2007106773A (ja) | 1995-09-22 | 2006-12-18 | アゾメチンおよびα−ハロアセトアニリドの製造プロセス |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006340607A Withdrawn JP2007106773A (ja) | 1995-09-22 | 2006-12-18 | アゾメチンおよびα−ハロアセトアニリドの製造プロセス |
Country Status (26)
| Country | Link |
|---|---|
| US (1) | US5852215A (ja) |
| EP (1) | EP0853611B1 (ja) |
| JP (2) | JP3990453B2 (ja) |
| KR (1) | KR100493843B1 (ja) |
| CN (1) | CN1084728C (ja) |
| AT (1) | ATE195508T1 (ja) |
| AU (1) | AU700763B2 (ja) |
| BG (1) | BG63298B1 (ja) |
| BR (1) | BR9610677A (ja) |
| CA (1) | CA2232607C (ja) |
| CZ (1) | CZ298896B6 (ja) |
| DE (1) | DE69609849T2 (ja) |
| EA (1) | EA000529B1 (ja) |
| ES (1) | ES2148791T3 (ja) |
| HU (1) | HU225619B1 (ja) |
| IL (2) | IL123610A (ja) |
| MX (1) | MX9802226A (ja) |
| NZ (1) | NZ318460A (ja) |
| OA (1) | OA10675A (ja) |
| PL (1) | PL190726B1 (ja) |
| RO (1) | RO120540B1 (ja) |
| SK (1) | SK283347B6 (ja) |
| TR (1) | TR199800511T1 (ja) |
| UA (1) | UA52617C2 (ja) |
| WO (1) | WO1997011051A1 (ja) |
| ZA (1) | ZA967921B (ja) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3367847A (en) * | 1966-02-01 | 1968-02-06 | Du Pont | Purification of ethylene glycol containing salts of terephthalic acid by plural distiallation |
| US3637847A (en) * | 1969-09-03 | 1972-01-25 | Monsanto Co | N-haloalkyl-anilides |
| US5155272A (en) * | 1976-12-29 | 1992-10-13 | Monsanto Company | Process for the production of haloacylamides |
| HU177876B (en) * | 1979-04-24 | 1982-01-28 | Nitrokemia Ipartelepek | Process for preparing 2,6-dialkyl-n-/alkoxy-methyl/-chloro-acetanilide derivatives |
| DE2925263A1 (de) * | 1979-06-22 | 1981-01-08 | Basf Ag | Verfahren zur herstellung von aromatischen azomethinen |
| DK0580741T3 (da) * | 1991-04-04 | 1997-12-29 | Zeneca Ltd | Fremgangsmåde til gennemførelse af kemiske reaktioner med formaldehyd |
| DE4201605A1 (de) * | 1992-01-22 | 1993-07-29 | Bayer Ag | Verfahren zur herstellung von azomethinen |
-
1996
- 1996-09-19 TR TR1998/00511T patent/TR199800511T1/xx unknown
- 1996-09-19 HU HU9900171A patent/HU225619B1/hu unknown
- 1996-09-19 AU AU69945/96A patent/AU700763B2/en not_active Expired
- 1996-09-19 WO PCT/GB1996/002311 patent/WO1997011051A1/en not_active Ceased
- 1996-09-19 MX MX9802226A patent/MX9802226A/es unknown
- 1996-09-19 EA EA199800213A patent/EA000529B1/ru not_active IP Right Cessation
- 1996-09-19 RO RO98-00754A patent/RO120540B1/ro unknown
- 1996-09-19 JP JP51248097A patent/JP3990453B2/ja not_active Expired - Fee Related
- 1996-09-19 BR BR9610677A patent/BR9610677A/pt not_active IP Right Cessation
- 1996-09-19 SK SK373-98A patent/SK283347B6/sk not_active IP Right Cessation
- 1996-09-19 CN CN96197103A patent/CN1084728C/zh not_active Expired - Lifetime
- 1996-09-19 NZ NZ318460A patent/NZ318460A/xx not_active IP Right Cessation
- 1996-09-19 ZA ZA967921A patent/ZA967921B/xx unknown
- 1996-09-19 DE DE69609849T patent/DE69609849T2/de not_active Expired - Lifetime
- 1996-09-19 CA CA002232607A patent/CA2232607C/en not_active Expired - Lifetime
- 1996-09-19 EP EP96931148A patent/EP0853611B1/en not_active Expired - Lifetime
- 1996-09-19 UA UA98031423A patent/UA52617C2/uk unknown
- 1996-09-19 IL IL12361096A patent/IL123610A/xx not_active IP Right Cessation
- 1996-09-19 US US08/719,298 patent/US5852215A/en not_active Expired - Lifetime
- 1996-09-19 KR KR10-1998-0702105A patent/KR100493843B1/ko not_active Expired - Lifetime
- 1996-09-19 AT AT96931148T patent/ATE195508T1/de active
- 1996-09-19 PL PL96325553A patent/PL190726B1/pl unknown
- 1996-09-19 ES ES96931148T patent/ES2148791T3/es not_active Expired - Lifetime
- 1996-09-19 CZ CZ0082998A patent/CZ298896B6/cs not_active IP Right Cessation
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1998
- 1998-03-17 BG BG102333A patent/BG63298B1/bg unknown
- 1998-03-20 OA OA9800033A patent/OA10675A/en unknown
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2002
- 2002-09-18 IL IL15179502A patent/IL151795A0/xx unknown
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2006
- 2006-12-18 JP JP2006340607A patent/JP2007106773A/ja not_active Withdrawn
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