RO94690B1 - Procedeu de preparare a monoesterului metilic al anilidei p-sulfonate a acidului fumaric - Google Patents
Procedeu de preparare a monoesterului metilic al anilidei p-sulfonate a acidului fumaricInfo
- Publication number
- RO94690B1 RO94690B1 RO123838A RO12383886A RO94690B1 RO 94690 B1 RO94690 B1 RO 94690B1 RO 123838 A RO123838 A RO 123838A RO 12383886 A RO12383886 A RO 12383886A RO 94690 B1 RO94690 B1 RO 94690B1
- Authority
- RO
- Romania
- Prior art keywords
- methyl ester
- preparation
- anilide
- fumaric acid
- sulphonated
- Prior art date
Links
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 title abstract 4
- 239000001530 fumaric acid Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 title abstract 2
- 150000003931 anilides Chemical class 0.000 title 1
- 150000004702 methyl esters Chemical class 0.000 title 1
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 abstract 2
- 239000012736 aqueous medium Substances 0.000 abstract 1
- -1 maleic acid methyl ester diester Chemical class 0.000 abstract 1
- 159000000000 sodium salts Chemical class 0.000 abstract 1
- 229950000244 sulfanilic acid Drugs 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la un procedeu de obtinere a monoesterului metilic al anilidei p-sulfonate a acidului fumaric cu formula (vezi formula în pag.1 a descrierii) constînd din reactia sarii de sodiu a acidului sulfanilic, cu diesterul metilic al acidului maleic la temperaturi cuprinse între 10 si 120 degree C, de preferinta între 20 si 50 degree C în mediu apos, la pH 5-9, de preferinta 6-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO123838A RO94690B1 (ro) | 1986-06-24 | 1986-06-24 | Procedeu de preparare a monoesterului metilic al anilidei p-sulfonate a acidului fumaric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO123838A RO94690B1 (ro) | 1986-06-24 | 1986-06-24 | Procedeu de preparare a monoesterului metilic al anilidei p-sulfonate a acidului fumaric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO94690B1 true RO94690B1 (ro) | 1988-07-31 |
Family
ID=40904291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO123838A RO94690B1 (ro) | 1986-06-24 | 1986-06-24 | Procedeu de preparare a monoesterului metilic al anilidei p-sulfonate a acidului fumaric |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO94690B1 (ro) |
-
1986
- 1986-06-24 RO RO123838A patent/RO94690B1/ro unknown
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