DE3245544C2 - - Google Patents
Info
- Publication number
- DE3245544C2 DE3245544C2 DE19823245544 DE3245544A DE3245544C2 DE 3245544 C2 DE3245544 C2 DE 3245544C2 DE 19823245544 DE19823245544 DE 19823245544 DE 3245544 A DE3245544 A DE 3245544A DE 3245544 C2 DE3245544 C2 DE 3245544C2
- Authority
- DE
- Germany
- Prior art keywords
- phthalide
- butanol
- treatment
- purity
- contaminated
- 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 - Lifetime
Links
- WNZQDUSMALZDQF-UHFFFAOYSA-N 2-benzofuran-1(3H)-one Chemical compound C1=CC=C2C(=O)OCC2=C1 WNZQDUSMALZDQF-UHFFFAOYSA-N 0.000 claims description 94
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 5
- 238000004508 fractional distillation Methods 0.000 claims description 3
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 2
- 150000001735 carboxylic acids Chemical class 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 6
- 238000005292 vacuum distillation Methods 0.000 description 6
- 238000004821 distillation Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 4
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 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
- 238000000926 separation method Methods 0.000 description 3
- 239000005711 Benzoic acid Substances 0.000 description 2
- FNJSWIPFHMKRAT-UHFFFAOYSA-N Monomethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(O)=O FNJSWIPFHMKRAT-UHFFFAOYSA-N 0.000 description 2
- 235000010233 benzoic acid Nutrition 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- -1 aromatic carboxylic acids Chemical class 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 125000005506 phthalide group Chemical group 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823245544 DE3245544A1 (de) | 1982-12-09 | 1982-12-09 | Verfahren zur reinigung von phthalid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823245544 DE3245544A1 (de) | 1982-12-09 | 1982-12-09 | Verfahren zur reinigung von phthalid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3245544A1 DE3245544A1 (de) | 1984-06-14 |
| DE3245544C2 true DE3245544C2 (en:Method) | 1991-06-06 |
Family
ID=6180200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823245544 Granted DE3245544A1 (de) | 1982-12-09 | 1982-12-09 | Verfahren zur reinigung von phthalid |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3245544A1 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19625693A1 (de) * | 1996-06-27 | 1998-01-02 | Basf Ag | Verfahren zur Reinigung von Phthalid |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE368414C (de) * | 1920-09-18 | 1923-02-05 | Hoechst Ag | Verfahren zur Darstellung von Phthalid und seinen Derivaten |
-
1982
- 1982-12-09 DE DE19823245544 patent/DE3245544A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3245544A1 (de) | 1984-06-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8127 | New person/name/address of the applicant |
Owner name: HUELS TROISDORF AG, 5210 TROISDORF, DE |
|
| 8127 | New person/name/address of the applicant |
Owner name: HUELS AG, 4370 MARL, DE |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |