JPH0255421B2 - - Google Patents
Info
- Publication number
- JPH0255421B2 JPH0255421B2 JP59502893A JP50289384A JPH0255421B2 JP H0255421 B2 JPH0255421 B2 JP H0255421B2 JP 59502893 A JP59502893 A JP 59502893A JP 50289384 A JP50289384 A JP 50289384A JP H0255421 B2 JPH0255421 B2 JP H0255421B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- reactants
- product
- carbamide
- mixer
- 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 50
- 239000000047 product Substances 0.000 description 35
- 239000000376 reactant Substances 0.000 description 30
- 238000000034 method Methods 0.000 description 28
- 235000013877 carbamide Nutrition 0.000 description 25
- 239000004202 carbamide Substances 0.000 description 25
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 21
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 20
- 230000008569 process Effects 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000003756 stirring Methods 0.000 description 13
- 238000002844 melting Methods 0.000 description 12
- 150000003863 ammonium salts Chemical class 0.000 description 11
- 239000000155 melt Substances 0.000 description 11
- 230000008018 melting Effects 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 230000002378 acidificating effect Effects 0.000 description 8
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical compound C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 8
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000013067 intermediate product Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 150000008064 anhydrides Chemical class 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000000859 sublimation Methods 0.000 description 2
- 230000008022 sublimation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- MDUHAHDHIUFFLG-UHFFFAOYSA-N azane;2-benzofuran-1,3-dione Chemical compound N.C1=CC=C2C(=O)OC(=O)C2=C1 MDUHAHDHIUFFLG-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000012320 chlorinating reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000008259 solid foam Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/44—Iso-indoles; Hydrogenated iso-indoles
- C07D209/48—Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Indole Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/SU1984/000002 WO1985003291A1 (en) | 1984-01-23 | 1984-01-23 | Process for obtention of phthalimide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61501028A JPS61501028A (ja) | 1986-05-22 |
| JPH0255421B2 true JPH0255421B2 (enrdf_load_stackoverflow) | 1990-11-27 |
Family
ID=21616832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59502893A Granted JPS61501028A (ja) | 1984-01-23 | 1984-01-23 | フタルイミドの調製方法 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS61501028A (enrdf_load_stackoverflow) |
| CH (1) | CH665416A5 (enrdf_load_stackoverflow) |
| DE (2) | DE3490634C2 (enrdf_load_stackoverflow) |
| GB (1) | GB2162848B (enrdf_load_stackoverflow) |
| HU (1) | HU194826B (enrdf_load_stackoverflow) |
| WO (1) | WO1985003291A1 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2185376C1 (ru) * | 2001-01-03 | 2002-07-20 | Волгоградское открытое акционерное общество "Химпром" | Способ получения фталимида |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2334916A1 (de) * | 1973-07-10 | 1975-01-30 | Basf Ag | Verfahren zur kontinuierlichen herstellung von phthalimid |
| US4020089A (en) * | 1975-07-01 | 1977-04-26 | General Electric Company | Method for making n-alkylphthalimides |
-
1984
- 1984-01-23 CH CH415785A patent/CH665416A5/de not_active IP Right Cessation
- 1984-01-23 JP JP59502893A patent/JPS61501028A/ja active Granted
- 1984-01-23 WO PCT/SU1984/000002 patent/WO1985003291A1/ru active Application Filing
- 1984-01-23 DE DE19843490634 patent/DE3490634C2/de not_active Expired
- 1984-01-23 DE DE19843490634 patent/DE3490634T1/de active Pending
- 1984-01-23 HU HU843232A patent/HU194826B/hu not_active IP Right Cessation
- 1984-01-23 GB GB08522752A patent/GB2162848B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2162848A (en) | 1986-02-12 |
| WO1985003291A1 (en) | 1985-08-01 |
| HUT38311A (en) | 1986-05-28 |
| DE3490634C2 (de) | 1989-03-09 |
| GB8522752D0 (en) | 1985-10-16 |
| JPS61501028A (ja) | 1986-05-22 |
| DE3490634T1 (de) | 1986-01-09 |
| HU194826B (en) | 1988-03-28 |
| CH665416A5 (de) | 1988-05-13 |
| GB2162848B (en) | 1987-06-10 |
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