CA1076136A - Process for the preparation of 5-oxohexanoic acid and its derivatives - Google Patents
Process for the preparation of 5-oxohexanoic acid and its derivativesInfo
- Publication number
- CA1076136A CA1076136A CA260,943A CA260943A CA1076136A CA 1076136 A CA1076136 A CA 1076136A CA 260943 A CA260943 A CA 260943A CA 1076136 A CA1076136 A CA 1076136A
- Authority
- CA
- Canada
- Prior art keywords
- weight
- reaction
- acetone
- acrylic acid
- calculated
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title claims abstract description 19
- MGTZCLMLSSAXLD-UHFFFAOYSA-N 5-oxohexanoic acid Chemical compound CC(=O)CCCC(O)=O MGTZCLMLSSAXLD-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 100
- OZXIZRZFGJZWBF-UHFFFAOYSA-N 1,3,5-trimethyl-2-(2,4,6-trimethylphenoxy)benzene Chemical compound CC1=CC(C)=CC(C)=C1OC1=C(C)C=C(C)C=C1C OZXIZRZFGJZWBF-UHFFFAOYSA-N 0.000 claims abstract description 34
- SHOJXDKTYKFBRD-UHFFFAOYSA-N mesityl oxide Natural products CC(C)=CC(C)=O SHOJXDKTYKFBRD-UHFFFAOYSA-N 0.000 claims abstract description 34
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 claims description 32
- 239000011541 reaction mixture Substances 0.000 claims description 10
- 239000003054 catalyst Substances 0.000 claims description 8
- -1 acrylic acid compound Chemical class 0.000 claims description 7
- 150000003141 primary amines Chemical class 0.000 claims description 4
- 125000005396 acrylic acid ester group Chemical group 0.000 claims description 3
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N Hydrocyanic acid Natural products N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 150000001414 amino alcohols Chemical class 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
- 239000002262 Schiff base Substances 0.000 claims 1
- 150000004753 Schiff bases Chemical class 0.000 claims 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract description 25
- 150000002148 esters Chemical class 0.000 abstract description 4
- 150000002825 nitriles Chemical class 0.000 abstract 2
- 239000000203 mixture Substances 0.000 description 25
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 18
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 10
- 239000007795 chemical reaction product Substances 0.000 description 9
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 5
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 5
- 239000005711 Benzoic acid Substances 0.000 description 4
- 235000010233 benzoic acid Nutrition 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- AVVPOKSKJSJVIX-UHFFFAOYSA-N methyl 5-oxohexanoate Chemical compound COC(=O)CCCC(C)=O AVVPOKSKJSJVIX-UHFFFAOYSA-N 0.000 description 4
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 4
- XUKBQSQFZWTVOV-UHFFFAOYSA-N 4-acetylheptanedioic acid Chemical compound OC(=O)CCC(C(=O)C)CCC(O)=O XUKBQSQFZWTVOV-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 150000005207 1,3-dihydroxybenzenes Chemical class 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- CPDBRABXJNAGJW-UHFFFAOYSA-N dimethyl 4-acetylheptanedioate Chemical compound COC(=O)CCC(C(C)=O)CCC(=O)OC CPDBRABXJNAGJW-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- BMFVGAAISNGQNM-UHFFFAOYSA-N isopentylamine Chemical compound CC(C)CCN BMFVGAAISNGQNM-UHFFFAOYSA-N 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 description 1
- RXFAGYKLLRXFDX-UHFFFAOYSA-N 3-propylhexan-2-one Chemical compound CCCC(C(C)=O)CCC RXFAGYKLLRXFDX-UHFFFAOYSA-N 0.000 description 1
- AEVMBQIIZGKQRB-UHFFFAOYSA-N 5-oxohexanenitrile Chemical compound CC(=O)CCCC#N AEVMBQIIZGKQRB-UHFFFAOYSA-N 0.000 description 1
- 101000654316 Centruroides limpidus Beta-toxin Cll2 Proteins 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- LNCFUHAPNTYMJB-IUCAKERBSA-N His-Pro Chemical compound C([C@H](N)C(=O)N1[C@@H](CCC1)C(O)=O)C1=CN=CN1 LNCFUHAPNTYMJB-IUCAKERBSA-N 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 241001594894 Mesites Species 0.000 description 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229960002684 aminocaproic acid Drugs 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000006165 cyclic alkyl group Chemical group 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- NISGSNTVMOOSJQ-UHFFFAOYSA-N cyclopentanamine Chemical compound NC1CCCC1 NISGSNTVMOOSJQ-UHFFFAOYSA-N 0.000 description 1
- PYRZPBDTPRQYKG-UHFFFAOYSA-N cyclopentene-1-carboxylic acid Chemical compound OC(=O)C1=CCCC1 PYRZPBDTPRQYKG-UHFFFAOYSA-N 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- LNMQRPPRQDGUDR-UHFFFAOYSA-N hexyl prop-2-enoate Chemical compound CCCCCCOC(=O)C=C LNMQRPPRQDGUDR-UHFFFAOYSA-N 0.000 description 1
- 108010085325 histidylproline Proteins 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- DPBLXKKOBLCELK-UHFFFAOYSA-N pentan-1-amine Chemical compound CCCCCN DPBLXKKOBLCELK-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- BHRZNVHARXXAHW-UHFFFAOYSA-N sec-butylamine Chemical compound CCC(C)N BHRZNVHARXXAHW-UHFFFAOYSA-N 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/185—Saturated compounds having only one carboxyl group and containing keto groups
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2540972A DE2540972C3 (de) | 1975-09-13 | 1975-09-13 | Verfahren zur Herstellung von 5-Oxohexansäure und deren Derivaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1076136A true CA1076136A (en) | 1980-04-22 |
Family
ID=5956448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA260,943A Expired CA1076136A (en) | 1975-09-13 | 1976-09-10 | Process for the preparation of 5-oxohexanoic acid and its derivatives |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5236624A (OSRAM) |
| BE (1) | BE846141A (OSRAM) |
| BR (1) | BR7606039A (OSRAM) |
| CA (1) | CA1076136A (OSRAM) |
| CH (1) | CH605559A5 (OSRAM) |
| DE (1) | DE2540972C3 (OSRAM) |
| FR (1) | FR2323673A1 (OSRAM) |
| GB (1) | GB1554310A (OSRAM) |
| IT (1) | IT1070590B (OSRAM) |
| MX (1) | MX144675A (OSRAM) |
| NL (1) | NL7609962A (OSRAM) |
| ZA (1) | ZA765386B (OSRAM) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7609478A (nl) * | 1976-08-26 | 1978-02-28 | Stamicarbon | Werkwijze voor de bereiding van 4-oxocaproni- tril. |
| NL7800982A (nl) * | 1978-01-27 | 1979-07-31 | Stamicarbon | Werkwijze ter bereiding van de methylester 4-oxopentaan-1-carbonzuur. |
| NL7808605A (nl) * | 1978-08-19 | 1980-02-21 | Stamicarbon | Werkwijze voor de bereiding van delta-ketozuren en derivaten hiervan. |
| DE2952044A1 (de) * | 1979-12-22 | 1981-07-02 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von 5-oxoalkansaeuren |
| JPS56102609A (en) * | 1980-01-19 | 1981-08-17 | Matsushita Electric Ind Co Ltd | Gas combustion control device |
| CA1212382A (en) * | 1982-04-26 | 1986-10-07 | Koppers Company, Inc. | Liquid-phase preparation of delta-keto carboxylic acid esters utilizing liquid-phase insoluble catalyst |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2820805A (en) * | 1954-07-02 | 1958-01-21 | Polak & Schwarz C Essencefabri | Process of preparing keto acids |
-
1975
- 1975-09-13 DE DE2540972A patent/DE2540972C3/de not_active Expired
-
1976
- 1976-09-08 NL NL7609962A patent/NL7609962A/xx not_active Application Discontinuation
- 1976-09-09 ZA ZA765386A patent/ZA765386B/xx unknown
- 1976-09-10 JP JP51107964A patent/JPS5236624A/ja active Pending
- 1976-09-10 CA CA260,943A patent/CA1076136A/en not_active Expired
- 1976-09-10 IT IT27119/76A patent/IT1070590B/it active
- 1976-09-10 CH CH1156576A patent/CH605559A5/xx not_active IP Right Cessation
- 1976-09-13 MX MX166288A patent/MX144675A/es unknown
- 1976-09-13 BE BE170586A patent/BE846141A/xx not_active IP Right Cessation
- 1976-09-13 BR BR7606039A patent/BR7606039A/pt unknown
- 1976-09-13 GB GB37902/76A patent/GB1554310A/en not_active Expired
- 1976-09-13 FR FR7627453A patent/FR2323673A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2540972C3 (de) | 1979-03-22 |
| FR2323673B1 (OSRAM) | 1980-05-23 |
| FR2323673A1 (fr) | 1977-04-08 |
| CH605559A5 (OSRAM) | 1978-09-29 |
| DE2540972A1 (de) | 1977-03-17 |
| JPS5236624A (en) | 1977-03-22 |
| ZA765386B (en) | 1977-08-31 |
| IT1070590B (it) | 1985-03-29 |
| DE2540972B2 (de) | 1978-07-27 |
| MX144675A (es) | 1981-11-10 |
| BE846141A (fr) | 1977-03-14 |
| BR7606039A (pt) | 1977-08-23 |
| NL7609962A (nl) | 1977-03-15 |
| GB1554310A (en) | 1979-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62223175A (ja) | アクリル又はメタクリル酸エステルの製法 | |
| JPH0465060B2 (OSRAM) | ||
| AU714151B2 (en) | Processes for the preparation of 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile | |
| CA1076136A (en) | Process for the preparation of 5-oxohexanoic acid and its derivatives | |
| MXPA97009461A (en) | Process for the preparation of 3- (methylene) propanal and 2-hydroxy-4- (methylthy) butanonitr | |
| US4764309A (en) | Preparation of chlorocarboxylic acid chlorides | |
| GB2078748A (en) | Preparation of 2-methylenealdehydes | |
| US2188340A (en) | Process of reacting methyl vinyl ketone with hydrogen cyanide and products thereby obtained | |
| US4772711A (en) | Method for the preparation of 3-aminoacrylic acid esters | |
| JPH0273049A (ja) | 3―ジアルキルアミノプロピオニトリル、ビス―(2―シアノエチル)―エーテル及び所望によりエチレンシアンヒドリンの共通製法 | |
| JP2943523B2 (ja) | アクリル酸エステルのミカエル付加物から有用化合物を製造する方法 | |
| US2479972A (en) | Monoalkamine esters of pyrrole-5-carboxylic acids | |
| US3384654A (en) | Process for the manufacture of cyanoacetic acid esters | |
| US4874865A (en) | Preparation of substituted lactams | |
| US5545762A (en) | Process for preparing 1-cyclopropylalkane-1,3-diones | |
| EP0330205B1 (en) | Process for the synthesis of carboxamides | |
| USH53H (en) | Processes for producing herbicide intermediates | |
| US4760169A (en) | Process for the preparation of hydroxymethylenealkoxyacetic acid esters | |
| JPS62120393A (ja) | ホスホン酸のふっ素含有誘導体の製造法 | |
| EP0549250B1 (en) | Process for preparing 3-(2-oxocyclohexyl)propionic ester | |
| US5412146A (en) | Process for the preparation of 2-cyanoacetoxypropionic esters | |
| JP3995116B2 (ja) | N−アルケニルアゾールの製造 | |
| EP0043402B1 (en) | Gem-diperoxyesters | |
| JPH02229145A (ja) | ジメチルアミノエチルアクリレートの製造方法 | |
| JP3287682B2 (ja) | N−シアノエタンイミド酸エステルの製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |