DE1543314B2 - Alpha-glycolid und verfahren zur her-steellung von alpha-glycolid - Google Patents
Alpha-glycolid und verfahren zur her-steellung von alpha-glycolidInfo
- Publication number
- DE1543314B2 DE1543314B2 DE19661543314 DE1543314A DE1543314B2 DE 1543314 B2 DE1543314 B2 DE 1543314B2 DE 19661543314 DE19661543314 DE 19661543314 DE 1543314 A DE1543314 A DE 1543314A DE 1543314 B2 DE1543314 B2 DE 1543314B2
- Authority
- DE
- Germany
- Prior art keywords
- glycolide
- pure
- bands
- mixture
- spectrophotometer
- 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
- 238000000034 method Methods 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000203 mixture Substances 0.000 claims description 29
- RKDVKSZUMVYZHH-UHFFFAOYSA-N 1,4-dioxane-2,5-dione Chemical compound O=C1COC(=O)CO1 RKDVKSZUMVYZHH-UHFFFAOYSA-N 0.000 claims description 28
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Natural products OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 11
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 9
- 238000002329 infrared spectrum Methods 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- -1 benzene Substances 0.000 claims description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 4
- 230000008025 crystallization Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 2
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 claims description 2
- 238000001953 recrystallisation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 claims 4
- 125000001931 aliphatic group Chemical group 0.000 claims 3
- 125000004432 carbon atom Chemical group C* 0.000 claims 2
- 229960004275 glycolic acid Drugs 0.000 claims 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 claims 1
- 229910052787 antimony Inorganic materials 0.000 claims 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims 1
- 239000007859 condensation product Substances 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 230000002085 persistent effect Effects 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims 1
- 238000005979 thermal decomposition reaction Methods 0.000 claims 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 4
- ODNBVEIAQAZNNM-UHFFFAOYSA-N 1-(6-chloroimidazo[1,2-b]pyridazin-3-yl)ethanone Chemical compound C1=CC(Cl)=NN2C(C(=O)C)=CN=C21 ODNBVEIAQAZNNM-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- GUNJVIDCYZYFGV-UHFFFAOYSA-K Antimony trifluoride Inorganic materials F[Sb](F)F GUNJVIDCYZYFGV-UHFFFAOYSA-K 0.000 description 3
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 235000019445 benzyl alcohol Nutrition 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000001089 [(2R)-oxolan-2-yl]methanol Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- PDXRQENMIVHKPI-UHFFFAOYSA-N cyclohexane-1,1-diol Chemical class OC1(O)CCCCC1 PDXRQENMIVHKPI-UHFFFAOYSA-N 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- VJYIBSANFPUGNL-UHFFFAOYSA-N cyclohexanol cyclopentanone Chemical compound C1(CCCCC1)O.C1(CCCC1)=O VJYIBSANFPUGNL-UHFFFAOYSA-N 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000010956 selective crystallization Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- BSYVTEYKTMYBMK-UHFFFAOYSA-N tetrahydrofurfuryl alcohol Chemical compound OCC1CCCO1 BSYVTEYKTMYBMK-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
- C07D319/12—1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48411165A | 1965-08-31 | 1965-08-31 | |
| US48411065A | 1965-08-31 | 1965-08-31 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1543314A1 DE1543314A1 (de) | 1970-01-02 |
| DE1543314B2 true DE1543314B2 (de) | 1973-04-19 |
| DE1543314C3 DE1543314C3 (enrdf_load_stackoverflow) | 1973-11-08 |
Family
ID=27047863
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661543314 Granted DE1543314B2 (de) | 1965-08-31 | 1966-08-31 | Alpha-glycolid und verfahren zur her-steellung von alpha-glycolid |
| DE1768949A Expired DE1768949C3 (de) | 1965-08-31 | 1966-08-31 | Verfahren zur Gewinnung von beta-Glycolid aus einer Mischung der alpha- und beta-Isomeren. Ausscheidung aus: 1543314 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1768949A Expired DE1768949C3 (de) | 1965-08-31 | 1966-08-31 | Verfahren zur Gewinnung von beta-Glycolid aus einer Mischung der alpha- und beta-Isomeren. Ausscheidung aus: 1543314 |
Country Status (2)
| Country | Link |
|---|---|
| BR (1) | BR6682447D0 (enrdf_load_stackoverflow) |
| DE (2) | DE1543314B2 (enrdf_load_stackoverflow) |
-
1966
- 1966-08-29 BR BR18244766A patent/BR6682447D0/pt unknown
- 1966-08-31 DE DE19661543314 patent/DE1543314B2/de active Granted
- 1966-08-31 DE DE1768949A patent/DE1768949C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1543314A1 (de) | 1970-01-02 |
| BR6682447D0 (pt) | 1973-12-26 |
| DE1768949B2 (enrdf_load_stackoverflow) | 1974-01-10 |
| DE1768949C3 (de) | 1974-08-08 |
| DE1768949A1 (de) | 1972-04-06 |
| DE1543314C3 (enrdf_load_stackoverflow) | 1973-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH543501A (de) | Verfahren zur Herstellung von a-Glycolid | |
| DE2760005C2 (de) | Optisch aktive Norpinene und Verfahren zu ihrer Herstellung | |
| DE3510761A1 (de) | Kristallisationsverfahren | |
| DE1139272B (de) | Verfahren zur Herstellung von linearen aromatischen Polyestern | |
| DE1295828B (de) | Verfahren zur Herstellung von im wesentlichen amorphen Polyamiden | |
| DE1668994C3 (enrdf_load_stackoverflow) | ||
| CH643526A5 (de) | Verfahren zur herstellung von 2-hydroxynaphthalincarbonsaeuren. | |
| DE2210563A1 (de) | Verfahren zur Trennung eines Diastereo Isomerengemisches von Zearalanol | |
| DE1274110B (de) | Verfahren zum Reinigen von rohem Bis-ª-hydroxyaethylterephthalat | |
| DE1543314C3 (enrdf_load_stackoverflow) | ||
| DE1237319B (de) | Verfahren zur Herstellung von Polyoxymethylenblockpolymerisaten | |
| DE69306694T2 (de) | Kristalle von Hydroxyphenylpropionsäure-ester und ihre Herstellung | |
| DE2258567A1 (de) | Verfahren zur herstellung hochmolekularer aromatischer polyamide | |
| AT395713B (de) | Verfahren zur herstellung von 2,4-diamino-6-(2,5- dichlorphenyl)-s-triazin | |
| DE2423048C2 (de) | Verfahren zur Herstellung eines kristallinen Solvats eines Alkali- oder Erdalkalimetallsalzes von Amoxicillin mit einem Amid | |
| DE1295556B (de) | Verfahren zur Reinigung von Pyrrolidon-(2) | |
| DE906754C (de) | Verfahren zur Herstellung von licht- und waermestabilen Kondensationsprodukten (Acetalen) des Polyvinylalkohols mit aliphatischen Aldehyden | |
| CH482668A (de) | Verfahren zur Herstellung von a-Glycolid | |
| DE681346C (de) | Verfahren zur Herstellung von Kondensationsprodukten | |
| DE906697C (de) | Verfahren zur Herstellung von E-Amino-y-ketocapronsäure | |
| DE69512225T2 (de) | Substituierte phenylverbindungen und verfahren zu deren herstellung | |
| DE1940691A1 (de) | Verfahren zur Herstellung von faserfoermigen Polymerisaten | |
| AT269886B (de) | Verfahren zur Herstellung neuer Benzomorphanderivate und ihrer Salze | |
| DE2126760C3 (de) | Stabilisierte Polyoxymethylenmasse | |
| DE946544C (de) | Verfahren zur Herstellung von quaternaeren Ammoniumverbindungen mit Anti-Cholinesterase-Wirkung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |