SU212852A1 - - Google Patents
Info
- Publication number
- SU212852A1 SU212852A1 SU597831A SU597831A SU212852A1 SU 212852 A1 SU212852 A1 SU 212852A1 SU 597831 A SU597831 A SU 597831A SU 597831 A SU597831 A SU 597831A SU 212852 A1 SU212852 A1 SU 212852A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- oxidation
- acid
- xylene
- esters
- mixture
- Prior art date
Links
- 238000007254 oxidation reaction Methods 0.000 description 17
- 230000003647 oxidation Effects 0.000 description 16
- 239000008096 xylene Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 150000002148 esters Chemical class 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- -1 toluic acid ester Chemical class 0.000 description 9
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 6
- 150000003022 phthalic acids Chemical class 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- ZWLPBLYKEWSWPD-UHFFFAOYSA-N o-toluic acid Chemical compound CC1=CC=CC=C1C(O)=O ZWLPBLYKEWSWPD-UHFFFAOYSA-N 0.000 description 3
- 150000003738 xylenes Chemical class 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001868 cobalt Chemical class 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001869 cobalt compounds Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- OJURWUUOVGOHJZ-UHFFFAOYSA-N methyl 2-[(2-acetyloxyphenyl)methyl-[2-[(2-acetyloxyphenyl)methyl-(2-methoxy-2-oxoethyl)amino]ethyl]amino]acetate Chemical compound C=1C=CC=C(OC(C)=O)C=1CN(CC(=O)OC)CCN(CC(=O)OC)CC1=CC=CC=C1OC(C)=O OJURWUUOVGOHJZ-UHFFFAOYSA-N 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Publications (1)
Publication Number | Publication Date |
---|---|
SU212852A1 true SU212852A1 (enrdf_load_stackoverflow) |
Family
ID=
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6355835B1 (en) | Process for preparation of benzene dicarboxylic acids | |
SU1041029A3 (ru) | Способ получени терефталевой кислоты | |
KR100957659B1 (ko) | (i) 포름산, (ii) 2개 이상의 탄소 원자를 포함하는카르복실산 및(또는) 그의 유도체, 및 (iii) 카르복실산무수물을 공동 제조하는 유동적 방법 | |
US2894978A (en) | Process of producing esters of phthalic acids by oxidation of xylene and toluic acid ester mixtures | |
SU212852A1 (enrdf_load_stackoverflow) | ||
US2801263A (en) | Process for production of alpha, omega-dicarboxylic acids and esters | |
US3931290A (en) | Preparation of carboxylic acid alkyl esters | |
US2879289A (en) | Oxidation of alkyl benzenes in the presence of alkanols | |
KR100276936B1 (ko) | 나프탈렌디카복실산의 디에스테르의 제조방법 | |
SU706021A3 (ru) | Способ получени диметилтерефталата" | |
CS195261B2 (en) | Method of preparing dimethylester of terephthalic acid | |
US3253017A (en) | Process for the production of esters of phthalic acids | |
US3981931A (en) | Diols by transesterification using magnesia catalysts | |
RU2001905C1 (ru) | Способ получени сложноэфирного пластификатора | |
US4266076A (en) | Preparation of ethyl carboxylate | |
US4797497A (en) | Trimellitic anhydride purification process | |
SU528301A1 (ru) | Способ получени диметилтерефталата | |
CN114956999B (zh) | 一种提高pta氧化残渣酯化反应速率及产品收率的方法 | |
SU697496A1 (ru) | Способ получени диметилтерефталата | |
US3910986A (en) | Process for oxidizing beta-acyloxyethyl-toluates | |
US3551481A (en) | Process for the production of trimellitic acid and trimellitic acid anhydride | |
SU1038335A1 (ru) | Способ получени сложных эфиров | |
US3696141A (en) | Process for the production of methyl benzoate | |
SU591135A3 (ru) | Способ получени диметилового эфира 2,6-нафталиндикарбоновой кислоты | |
EP0018433B1 (en) | Process for producing aromatic carboxylic acids and methyl esters thereof |