CN101774988A - 固相双功能催化剂催化合成维生素c的方法 - Google Patents
固相双功能催化剂催化合成维生素c的方法 Download PDFInfo
- Publication number
- CN101774988A CN101774988A CN201010018213A CN201010018213A CN101774988A CN 101774988 A CN101774988 A CN 101774988A CN 201010018213 A CN201010018213 A CN 201010018213A CN 201010018213 A CN201010018213 A CN 201010018213A CN 101774988 A CN101774988 A CN 101774988A
- Authority
- CN
- China
- Prior art keywords
- solid
- alcohol
- reaction
- klg
- vitamin
- 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
- 239000003054 catalyst Substances 0.000 title claims abstract description 28
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000001588 bifunctional effect Effects 0.000 title claims abstract description 22
- 235000019154 vitamin C Nutrition 0.000 title claims abstract description 14
- 239000011718 vitamin C Substances 0.000 title claims abstract description 14
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229930003268 Vitamin C Natural products 0.000 title claims abstract description 12
- 239000007790 solid phase Substances 0.000 title claims abstract description 10
- 230000002194 synthesizing effect Effects 0.000 title abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 75
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 31
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000012442 inert solvent Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 239000003513 alkali Substances 0.000 claims abstract description 8
- 239000008247 solid mixture Substances 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 4
- 239000008367 deionised water Substances 0.000 claims abstract description 4
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims abstract 2
- 150000008282 halocarbons Chemical group 0.000 claims abstract 2
- 239000002253 acid Substances 0.000 claims description 22
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 17
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000002585 base Substances 0.000 claims description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 8
- -1 alkyl sulfonic acid Chemical compound 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000003786 synthesis reaction Methods 0.000 claims description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- 239000002808 molecular sieve Substances 0.000 claims description 6
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 6
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 5
- 150000002170 ethers Chemical class 0.000 claims description 5
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 claims description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 125000000524 functional group Chemical group 0.000 claims description 4
- 239000003495 polar organic solvent Substances 0.000 claims description 4
- 238000010009 beating Methods 0.000 claims description 3
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 claims description 3
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011541 reaction mixture Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000000967 suction filtration Methods 0.000 claims description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- 150000002828 nitro derivatives Chemical class 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- NXRYVXHBKUIPEE-UHFFFAOYSA-N 1,1,1,2,2,4-hexachlorobutane Chemical compound ClCCC(Cl)(Cl)C(Cl)(Cl)Cl NXRYVXHBKUIPEE-UHFFFAOYSA-N 0.000 claims 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims 1
- IBSQPLPBRSHTTG-UHFFFAOYSA-N 1-chloro-2-methylbenzene Chemical compound CC1=CC=CC=C1Cl IBSQPLPBRSHTTG-UHFFFAOYSA-N 0.000 claims 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 1
- 125000003158 alcohol group Chemical group 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000011343 solid material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000007710 freezing Methods 0.000 abstract description 3
- 230000008014 freezing Effects 0.000 abstract description 3
- 230000006837 decompression Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000011973 solid acid Substances 0.000 abstract description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 238000004537 pulping Methods 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 14
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 238000007171 acid catalysis Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- KPHIBLNUVRGOGU-LMVFSUKVSA-N methyl (3s,4r,5s)-3,4,5,6-tetrahydroxy-2-oxohexanoate Chemical compound COC(=O)C(=O)[C@@H](O)[C@H](O)[C@@H](O)CO KPHIBLNUVRGOGU-LMVFSUKVSA-N 0.000 description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 230000032050 esterification Effects 0.000 description 5
- 238000005886 esterification reaction Methods 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000002798 polar solvent Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 238000010523 cascade reaction Methods 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 3
- 239000001117 sulphuric acid Substances 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000005815 base catalysis Methods 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000003729 cation exchange resin Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 150000005826 halohydrocarbons Chemical group 0.000 description 2
- 125000002883 imidazolyl group Chemical group 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 2
- 229930003231 vitamin Natural products 0.000 description 2
- 239000011782 vitamin Substances 0.000 description 2
- 235000013343 vitamin Nutrition 0.000 description 2
- 229940088594 vitamin Drugs 0.000 description 2
- 150000003722 vitamin derivatives Chemical class 0.000 description 2
- FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 description 1
- VFWCMGCRMGJXDK-UHFFFAOYSA-N 1-chlorobutane Chemical compound CCCCCl VFWCMGCRMGJXDK-UHFFFAOYSA-N 0.000 description 1
- VBUYCZFBVCCYFD-NUNKFHFFSA-N 2-dehydro-L-idonic acid Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)C(=O)C(O)=O VBUYCZFBVCCYFD-NUNKFHFFSA-N 0.000 description 1
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 1
- JHUUPUMBZGWODW-UHFFFAOYSA-N 3,6-dihydro-1,2-dioxine Chemical compound C1OOCC=C1 JHUUPUMBZGWODW-UHFFFAOYSA-N 0.000 description 1
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 1
- VBUYCZFBVCCYFD-UHFFFAOYSA-N D-arabino-2-Hexulosonic acid Natural products OCC(O)C(O)C(O)C(=O)C(O)=O VBUYCZFBVCCYFD-UHFFFAOYSA-N 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010511 deprotection reaction Methods 0.000 description 1
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 1
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical compound OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000007273 lactonization reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 229910021426 porous silicon Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- GRONZTPUWOOUFQ-UHFFFAOYSA-M sodium;methanol;hydroxide Chemical compound [OH-].[Na+].OC GRONZTPUWOOUFQ-UHFFFAOYSA-M 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- XTHPWXDJESJLNJ-UHFFFAOYSA-N sulfurochloridic acid Chemical compound OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- Y02P20/584—Recycling of catalysts
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010100182139A CN101774988B (zh) | 2010-01-19 | 2010-01-19 | 固相双功能催化剂催化合成维生素c的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010100182139A CN101774988B (zh) | 2010-01-19 | 2010-01-19 | 固相双功能催化剂催化合成维生素c的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101774988A true CN101774988A (zh) | 2010-07-14 |
CN101774988B CN101774988B (zh) | 2012-07-04 |
Family
ID=42511598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010100182139A Active CN101774988B (zh) | 2010-01-19 | 2010-01-19 | 固相双功能催化剂催化合成维生素c的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101774988B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102309984A (zh) * | 2011-07-22 | 2012-01-11 | 华东师范大学 | 一种磷酸酰胺类双功能催化剂及其合成方法 |
CN110343080A (zh) * | 2019-08-08 | 2019-10-18 | 安徽丰原发酵技术工程研究有限公司 | 一种以古龙酸为原料的含氮碱转化法制备维生素c的方法 |
CN112457354A (zh) * | 2020-11-19 | 2021-03-09 | 山东辰龙药业有限公司 | 一种vb12的精制方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19919203A1 (de) * | 1999-04-28 | 2000-11-02 | Basf Ag | Verfahren zur Herstellung von L-Ascorbinsäure |
DE19954511A1 (de) * | 1999-11-12 | 2001-05-17 | Basf Ag | Verfahren zur Herstellung von Alkalisalzen der L-Ascorbinsäure |
-
2010
- 2010-01-19 CN CN2010100182139A patent/CN101774988B/zh active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102309984A (zh) * | 2011-07-22 | 2012-01-11 | 华东师范大学 | 一种磷酸酰胺类双功能催化剂及其合成方法 |
CN110343080A (zh) * | 2019-08-08 | 2019-10-18 | 安徽丰原发酵技术工程研究有限公司 | 一种以古龙酸为原料的含氮碱转化法制备维生素c的方法 |
CN112457354A (zh) * | 2020-11-19 | 2021-03-09 | 山东辰龙药业有限公司 | 一种vb12的精制方法 |
CN112457354B (zh) * | 2020-11-19 | 2022-02-01 | 山东辰龙药业有限公司 | 一种vb12的精制方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101774988B (zh) | 2012-07-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105418624A (zh) | 脱水糖醇的生产方法 | |
Chen et al. | Binuclear molybdenum alkoxide as the versatile catalyst for the conversion of carbon dioxide | |
CN102311392A (zh) | 嘧菌酯及其合成中专用中间体的合成方法 | |
JPWO2006001398A1 (ja) | ポリハロゲン化ジアマンタン類及びその誘導体の製造方法 | |
WO2023206607A1 (zh) | 一种氧头孢烯母核中间体的制备方法 | |
CN101774988B (zh) | 固相双功能催化剂催化合成维生素c的方法 | |
CN101528722B (zh) | 制备结晶3-o-烷基-抗坏血酸的方法 | |
CN110028518B (zh) | 一种催化制备医药中间体吡喃并[2,3-d]嘧啶酮衍生物的方法 | |
CN108299466B (zh) | 一种改进的度鲁特韦合成方法 | |
CN113979992B (zh) | 一种3-取代二苯并噻吩及其合成方法 | |
Kumar et al. | An environmentally benign protocol for the synthesis of 3, 4-dihydropyrimidin-2 (1H)-ones using solid acid catalysts under solvent-free conditions | |
CN113121318B (zh) | 一种联/杂芳烃类化合物及其制备方法 | |
WO2022160177A1 (zh) | 催化氧化制备6-羟基-6(羟基甲基)-2h-吡喃-3(6h)-酮的方法 | |
CN101321721A (zh) | 聚合性羟基二金刚烷基酯化合物的制备方法 | |
CN104987325B (zh) | 一种伏立康唑的制备方法 | |
KR101338297B1 (ko) | 2,9-디메틸-4,7-디페닐-1,10-페난트롤린의 단일 단계 합성방법 | |
CN102491992A (zh) | 一种碳青霉烯类抗生素关键中间体4-bma的制备方法 | |
CN114560862A (zh) | 一种吡咯并[1,2-a]喹喔啉-4(5h)-酮及其衍生物的合成方法 | |
CN114524802B (zh) | 一种喹啉化合物的合成方法 | |
CN112457231A (zh) | 一种拉罗替尼(Larotrectinib)中间体的消旋化方法 | |
US20220348542A1 (en) | Process for synthesizing apremilast | |
CN110028379B (zh) | 一种4,4’-二氯甲基联苯的制备方法 | |
CN113801138B (zh) | 一种一锅法制备辛酸拉尼米韦中间体的方法 | |
RU2483055C1 (ru) | Способ получения 1,5-бис(2-гидроксифенокси)-3-оксапентана моногидрата | |
CN109369357B (zh) | 一种催化氧化羰基化制备对称二芳基酮的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee after: Jiangsu Polytechnic University Address before: 213016 Baiyun District, Changzhou, Jiangsu Patentee before: Jiangsu Polytechnic University |
|
ASS | Succession or assignment of patent right |
Owner name: LIYANG CHANGDA TECHNOLOGY TRANSFER CENTER CO., LTD Free format text: FORMER OWNER: JIANGSU POLYTECHNIC UNIVERSITY Effective date: 20141203 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213164 CHANGZHOU, JIANGSU PROVINCE TO: 213311 CHANGZHOU, JIANGSU PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20141203 Address after: Daitou town of Liyang City Ferry Street 213311 Jiangsu city of Changzhou province 8-2 No. 7 Patentee after: Liyang Chang Technology Transfer Center Co., Ltd. Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: Jiangsu Polytechnic University |