DE2045668C3 - Verfahren zur Gewinnung von reinem 2,2-Dimethylpropandiol-(l,3) - Google Patents
Verfahren zur Gewinnung von reinem 2,2-Dimethylpropandiol-(l,3)Info
- Publication number
- DE2045668C3 DE2045668C3 DE19702045668 DE2045668A DE2045668C3 DE 2045668 C3 DE2045668 C3 DE 2045668C3 DE 19702045668 DE19702045668 DE 19702045668 DE 2045668 A DE2045668 A DE 2045668A DE 2045668 C3 DE2045668 C3 DE 2045668C3
- Authority
- DE
- Germany
- Prior art keywords
- dimethylpropanediol
- distillation
- hydroxypivalaldehyde
- phosphoric acid
- crude
- 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 description 23
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 24
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 22
- 238000004821 distillation Methods 0.000 claims description 20
- JJMOMMLADQPZNY-UHFFFAOYSA-N 3-hydroxy-2,2-dimethylpropanal Chemical compound OCC(C)(C)C=O JJMOMMLADQPZNY-UHFFFAOYSA-N 0.000 claims description 14
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 claims description 13
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 7
- QPYKYDBKQYZEKG-UHFFFAOYSA-N 2,2-dimethylpropane-1,1-diol Chemical compound CC(C)(C)C(O)O QPYKYDBKQYZEKG-UHFFFAOYSA-N 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 4
- CRSOQBOWXPBRES-UHFFFAOYSA-N neopentane Chemical compound CC(C)(C)C CRSOQBOWXPBRES-UHFFFAOYSA-N 0.000 claims description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- 150000001341 alkaline earth metal compounds Chemical class 0.000 claims description 2
- -1 alkaline earth metal salts Chemical class 0.000 claims description 2
- 239000012043 crude product Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 description 13
- 150000002009 diols Chemical class 0.000 description 11
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 150000007524 organic acids Chemical class 0.000 description 5
- 235000005985 organic acids Nutrition 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 4
- 229940117969 neopentyl glycol Drugs 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
- 238000005705 Cannizzaro reaction Methods 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 238000005882 aldol condensation reaction Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 238000000859 sublimation Methods 0.000 description 2
- 230000008022 sublimation Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000007868 Raney catalyst Substances 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 229910000564 Raney nickel Inorganic materials 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000006199 crossed Cannizzaro oxidation reduction reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702045668 DE2045668C3 (de) | 1970-09-16 | 1970-09-16 | Verfahren zur Gewinnung von reinem 2,2-Dimethylpropandiol-(l,3) |
| AT641971A AT309393B (de) | 1970-09-16 | 1971-07-23 | Verfahren zur Herstellung von reinem 2,2-Dimethylpropandiol-(1,3) |
| FR7133248A FR2107704A5 (en) | 1970-09-16 | 1971-09-15 | Pure 2,2-dimethylpropanediol-1,3 prodn -with distillation - effected in presence of phosphoric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702045668 DE2045668C3 (de) | 1970-09-16 | 1970-09-16 | Verfahren zur Gewinnung von reinem 2,2-Dimethylpropandiol-(l,3) |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2045668A1 DE2045668A1 (enExample) | 1972-03-23 |
| DE2045668B2 DE2045668B2 (de) | 1980-01-03 |
| DE2045668C3 true DE2045668C3 (de) | 1980-09-04 |
Family
ID=5782518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702045668 Expired DE2045668C3 (de) | 1970-09-16 | 1970-09-16 | Verfahren zur Gewinnung von reinem 2,2-Dimethylpropandiol-(l,3) |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT309393B (enExample) |
| DE (1) | DE2045668C3 (enExample) |
| FR (1) | FR2107704A5 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3638496A1 (de) * | 1986-11-11 | 1988-05-26 | Huels Chemische Werke Ag | Verfahren zur gewinnung von reinem 2,2-dimethyl-1,3-propandiol (npg) |
| DE3942792A1 (de) * | 1989-12-23 | 1991-06-27 | Hoechst Ag | Verfahren zur herstellung von 2,2-dimethylpropandiol-(1,3) |
-
1970
- 1970-09-16 DE DE19702045668 patent/DE2045668C3/de not_active Expired
-
1971
- 1971-07-23 AT AT641971A patent/AT309393B/de not_active IP Right Cessation
- 1971-09-15 FR FR7133248A patent/FR2107704A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2045668A1 (enExample) | 1972-03-23 |
| AT309393B (de) | 1973-08-10 |
| FR2107704A5 (en) | 1972-05-05 |
| DE2045668B2 (de) | 1980-01-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |