CS262889A1 - Method of 2-pyroxy-5-/4-/2-pyridinylamino/sulphonyl/phenyl/azo benzoic acid production - Google Patents
Method of 2-pyroxy-5-/4-/2-pyridinylamino/sulphonyl/phenyl/azo benzoic acid productionInfo
- Publication number
- CS262889A1 CS262889A1 CS892628A CS262889A CS262889A1 CS 262889 A1 CS262889 A1 CS 262889A1 CS 892628 A CS892628 A CS 892628A CS 262889 A CS262889 A CS 262889A CS 262889 A1 CS262889 A1 CS 262889A1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- pyroxy
- pyridinylamino
- sulphonyl
- phenyl
- benzoic acid
- Prior art date
Links
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Natural products OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 title 1
- 239000005711 Benzoic acid Substances 0.000 title 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical group O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title 1
- -1 azo benzoic acid Chemical compound 0.000 title 1
- 235000010233 benzoic acid Nutrition 0.000 title 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 title 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS262889A CS273928B1 (en) | 1989-04-28 | 1989-04-28 | Method of 2-pyroxy-5-/4-/2-pyridinylamino/sulphonyl/phenyl/azo benzoic acid production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS262889A CS273928B1 (en) | 1989-04-28 | 1989-04-28 | Method of 2-pyroxy-5-/4-/2-pyridinylamino/sulphonyl/phenyl/azo benzoic acid production |
Publications (2)
Publication Number | Publication Date |
---|---|
CS262889A1 true CS262889A1 (en) | 1990-08-14 |
CS273928B1 CS273928B1 (en) | 1991-04-11 |
Family
ID=5363945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS262889A CS273928B1 (en) | 1989-04-28 | 1989-04-28 | Method of 2-pyroxy-5-/4-/2-pyridinylamino/sulphonyl/phenyl/azo benzoic acid production |
Country Status (1)
Country | Link |
---|---|
CS (1) | CS273928B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103044323B (en) * | 2012-12-27 | 2017-12-19 | 浙江九洲药业股份有限公司 | A kind of purification process of SASP |
CN105348184B (en) * | 2015-11-26 | 2020-12-29 | 苏州统华药品有限公司 | Preparation method of sulfasalazine |
CN105330599A (en) * | 2015-11-26 | 2016-02-17 | 苏州统华药品有限公司 | Method for synthesizing salazosulfapyridine by utilizing 2-aminopyridine as raw material |
-
1989
- 1989-04-28 CS CS262889A patent/CS273928B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
CS273928B1 (en) | 1991-04-11 |
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