JPS6125713B2 - - Google Patents
Info
- Publication number
- JPS6125713B2 JPS6125713B2 JP8627580A JP8627580A JPS6125713B2 JP S6125713 B2 JPS6125713 B2 JP S6125713B2 JP 8627580 A JP8627580 A JP 8627580A JP 8627580 A JP8627580 A JP 8627580A JP S6125713 B2 JPS6125713 B2 JP S6125713B2
- Authority
- JP
- Japan
- Prior art keywords
- ammonia
- cyanopyrazine
- reaction
- pyrazine
- amide
- 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
- IPEHBUMCGVEMRF-UHFFFAOYSA-N pyrazinecarboxamide Chemical compound NC(=O)C1=CN=CC=N1 IPEHBUMCGVEMRF-UHFFFAOYSA-N 0.000 claims description 33
- 238000006243 chemical reaction Methods 0.000 claims description 22
- PMSVVUSIPKHUMT-UHFFFAOYSA-N cyanopyrazine Chemical compound N#CC1=CN=CC=N1 PMSVVUSIPKHUMT-UHFFFAOYSA-N 0.000 claims description 19
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 15
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 28
- 239000013078 crystal Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 229960005206 pyrazinamide Drugs 0.000 description 10
- 229910021529 ammonia Inorganic materials 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 5
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 4
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000000862 absorption spectrum Methods 0.000 description 3
- 125000003368 amide group Chemical group 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 125000002560 nitrile group Chemical group 0.000 description 3
- NIPZZXUFJPQHNH-UHFFFAOYSA-N pyrazine-2-carboxylic acid Chemical compound OC(=O)C1=CN=CC=N1 NIPZZXUFJPQHNH-UHFFFAOYSA-N 0.000 description 3
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000005457 ice water Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- -1 imide compound Chemical class 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- XQZYPMVTSDWCCE-UHFFFAOYSA-N phthalonitrile Chemical compound N#CC1=CC=CC=C1C#N XQZYPMVTSDWCCE-UHFFFAOYSA-N 0.000 description 1
- 229920006391 phthalonitrile polymer Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003216 pyrazines Chemical class 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8627580A JPS5711971A (en) | 1980-06-25 | 1980-06-25 | Preparation of pyrazinamide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8627580A JPS5711971A (en) | 1980-06-25 | 1980-06-25 | Preparation of pyrazinamide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5711971A JPS5711971A (en) | 1982-01-21 |
| JPS6125713B2 true JPS6125713B2 (sk) | 1986-06-17 |
Family
ID=13882268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8627580A Granted JPS5711971A (en) | 1980-06-25 | 1980-06-25 | Preparation of pyrazinamide |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5711971A (sk) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0625170B2 (ja) * | 1985-11-12 | 1994-04-06 | 広栄化学工業株式会社 | ピラジンアミドの製造法 |
| JP5824616B2 (ja) * | 2012-03-14 | 2015-11-25 | パナソニックＩｐマネジメント株式会社 | パン生地生成機及びそのパン生地を用いた製パン機 |
| JP5617871B2 (ja) * | 2012-04-20 | 2014-11-05 | パナソニック株式会社 | 自動製パン器 |
-
1980
- 1980-06-25 JP JP8627580A patent/JPS5711971A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5711971A (en) | 1982-01-21 |
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