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 (ru) | 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 (ru) |
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1377544B1 (en) | Purification of 2-nitro-4-methylsulphonylbenzoic acid | |
WO2021085468A1 (ja) | 高純度2-ナフチルアセトニトリル及びその製造方法 | |
JPS6125713B2 (ru) | ||
JP2021536481A (ja) | レンバチニブの調製方法 | |
JPS5829305B2 (ja) | マレイミドノ セイゾウホウ | |
JP4626031B2 (ja) | 高純度ピロメリット酸および高純度無水ピロメリット酸の製造方法 | |
US4751314A (en) | Preparation of tetrachloro-3-iminoisoindolin-1-one | |
JPH01131143A (ja) | d,l−カルニチンニトリルクロライドの光学分割法 | |
SU1728228A1 (ru) | Способ получени 9,9-бис/4-аминофенил/-флуорена | |
JP4668393B2 (ja) | 4−アミノウラゾールの製造方法 | |
JPH09255644A (ja) | アジピン酸ジヒドラジドの製法 | |
US2738352A (en) | Purification of pyridine compounds | |
US4062860A (en) | Process for preparing 3,4-dicyano-1,2,5-thiadiazole | |
SU539879A1 (ru) | Способ очистки сульфадимезина | |
JP4032825B2 (ja) | 3,4−ジヒドロキシベンゾニトリルを製造する方法 | |
JPS6053021B2 (ja) | ヒダントインの製造法 | |
JPH07165687A (ja) | 5−フルオロアントラニル酸の製造方法 | |
US4190585A (en) | Process for the production of indolyl lactic acid | |
JP3757478B2 (ja) | 2,4,5−トリフルオロ−3−ヨ−ド安息香酸の製造法 | |
JPS5910656B2 (ja) | 1−アミノ−ナフタレン−7−スルホン酸の製造方法 | |
KR800001550B1 (ko) | 5-(4-히드록시페닐) 히단토인의 제조법 | |
CN114656401A (zh) | 一种适合工业化生产的索拉菲尼关键中间体4-氯吡啶-2-甲酸甲酯的方法 | |
JPH0335308B2 (ru) | ||
JPH05320126A (ja) | 2−アミノ−5−ニトロチオベンズアミドの製造法 | |
JPH11310558A (ja) | 2―アミノ―4,5,3’,4’―テトラメトキシベンゾフェノンの製造方法 |