JPH0140833B2 - - Google Patents
Info
- Publication number
- JPH0140833B2 JPH0140833B2 JP55084059A JP8405980A JPH0140833B2 JP H0140833 B2 JPH0140833 B2 JP H0140833B2 JP 55084059 A JP55084059 A JP 55084059A JP 8405980 A JP8405980 A JP 8405980A JP H0140833 B2 JPH0140833 B2 JP H0140833B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- formula
- carbon atoms
- group
- sulfuric acid
- 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
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 36
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 13
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 12
- 229910052794 bromium Inorganic materials 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 12
- UHGULLIUJBCTEF-UHFFFAOYSA-N 2-aminobenzothiazole Chemical class C1=CC=C2SC(N)=NC2=C1 UHGULLIUJBCTEF-UHFFFAOYSA-N 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 7
- 229910052740 iodine Inorganic materials 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 239000011630 iodine Substances 0.000 claims description 6
- 125000001424 substituent group Chemical group 0.000 claims description 5
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 125000004390 alkyl sulfonyl group Chemical group 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 125000005843 halogen group Chemical group 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 125000004429 atom Chemical group 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 238000004817 gas chromatography Methods 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 18
- 238000003756 stirring Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 10
- 239000002994 raw material Substances 0.000 description 10
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 235000011121 sodium hydroxide Nutrition 0.000 description 7
- -1 butylsulfonyl group Chemical group 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 6
- 238000004949 mass spectrometry Methods 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- FULZLIGZKMKICU-UHFFFAOYSA-N N-phenylthiourea Chemical compound NC(=S)NC1=CC=CC=C1 FULZLIGZKMKICU-UHFFFAOYSA-N 0.000 description 5
- YZUKKTCDYSIWKJ-UHFFFAOYSA-N (2-chlorophenyl)thiourea Chemical compound NC(=S)NC1=CC=CC=C1Cl YZUKKTCDYSIWKJ-UHFFFAOYSA-N 0.000 description 4
- NJYFRQQXXXRJHK-UHFFFAOYSA-N (4-aminophenyl) thiocyanate Chemical class NC1=CC=C(SC#N)C=C1 NJYFRQQXXXRJHK-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- 235000010265 sodium sulphite Nutrition 0.000 description 4
- CCNCITSJXCSXJY-UHFFFAOYSA-N (3,4-dichlorophenyl)thiourea Chemical compound NC(=S)NC1=CC=C(Cl)C(Cl)=C1 CCNCITSJXCSXJY-UHFFFAOYSA-N 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical class C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006277 sulfonation reaction Methods 0.000 description 3
- GMOFXJZIUQGHTF-UHFFFAOYSA-N 4,5-dichloro-1,3-benzothiazol-2-amine Chemical compound ClC1=CC=C2SC(N)=NC2=C1Cl GMOFXJZIUQGHTF-UHFFFAOYSA-N 0.000 description 2
- FOYDMXZTPAEILY-UHFFFAOYSA-N 4-(carbamothioylamino)benzoic acid Chemical compound NC(=S)NC1=CC=C(C(O)=O)C=C1 FOYDMXZTPAEILY-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001555 benzenes Chemical class 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- WUOQOJDAZSTCKP-UHFFFAOYSA-N (2-chloro-4-nitrophenyl)thiourea Chemical compound NC(=S)NC1=CC=C([N+]([O-])=O)C=C1Cl WUOQOJDAZSTCKP-UHFFFAOYSA-N 0.000 description 1
- HXCHZMHFZXNFIX-UHFFFAOYSA-N (2-methoxyphenyl)thiourea Chemical compound COC1=CC=CC=C1NC(N)=S HXCHZMHFZXNFIX-UHFFFAOYSA-N 0.000 description 1
- FLGZBEKWHFRZNP-UHFFFAOYSA-N (2-nitrophenyl)thiourea Chemical compound NC(=S)NC1=CC=CC=C1[N+]([O-])=O FLGZBEKWHFRZNP-UHFFFAOYSA-N 0.000 description 1
- MRVQULNOKCOGHC-UHFFFAOYSA-N (4-bromophenyl)thiourea Chemical compound NC(=S)NC1=CC=C(Br)C=C1 MRVQULNOKCOGHC-UHFFFAOYSA-N 0.000 description 1
- QGLYTNIXHPCRCF-UHFFFAOYSA-N (4-ethoxyphenyl)thiourea Chemical compound CCOC1=CC=C(NC(N)=S)C=C1 QGLYTNIXHPCRCF-UHFFFAOYSA-N 0.000 description 1
- VXLFMCZPFIKKDZ-UHFFFAOYSA-N (4-methylphenyl)thiourea Chemical compound CC1=CC=C(NC(N)=S)C=C1 VXLFMCZPFIKKDZ-UHFFFAOYSA-N 0.000 description 1
- GZVDZCUMARHBQV-UHFFFAOYSA-N (4-methylsulfonylphenyl)thiourea Chemical compound CS(=O)(=O)C1=CC=C(NC(N)=S)C=C1 GZVDZCUMARHBQV-UHFFFAOYSA-N 0.000 description 1
- BLYAANPIHFKKMQ-UHFFFAOYSA-N (4-nitrophenyl)thiourea Chemical compound NC(=S)NC1=CC=C([N+]([O-])=O)C=C1 BLYAANPIHFKKMQ-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000001448 anilines Chemical class 0.000 description 1
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004744 butyloxycarbonyl group Chemical group 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 1
- ZJGHEUYKWKTKCH-UHFFFAOYSA-N ethyl 4-(carbamothioylamino)benzoate Chemical compound CCOC(=O)C1=CC=C(NC(N)=S)C=C1 ZJGHEUYKWKTKCH-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000006125 ethylsulfonyl group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- ACLZYRNSDLQOIA-UHFFFAOYSA-N o-tolylthiourea Chemical compound CC1=CC=CC=C1NC(N)=S ACLZYRNSDLQOIA-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Thiazole And Isothizaole Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8405980A JPS579774A (en) | 1980-06-23 | 1980-06-23 | Production of 2-aminobenzothiazole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8405980A JPS579774A (en) | 1980-06-23 | 1980-06-23 | Production of 2-aminobenzothiazole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS579774A JPS579774A (en) | 1982-01-19 |
| JPH0140833B2 true JPH0140833B2 (da) | 1989-08-31 |
Family
ID=13819915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8405980A Granted JPS579774A (en) | 1980-06-23 | 1980-06-23 | Production of 2-aminobenzothiazole |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS579774A (da) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60123480A (ja) * | 1983-12-05 | 1985-07-02 | Sumitomo Chem Co Ltd | ２−イミノ−ベンズチアゾリン類の製造方法 |
| JPS61268688A (ja) * | 1985-05-21 | 1986-11-28 | Nippon Kayaku Co Ltd | ２，６−ジアミノベンゾ−〔１，２−ｄ：４，５−ｄ′〕−ビスチアゾ−ルの製造法 |
| EP0529600B1 (de) * | 1991-08-30 | 1996-11-06 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von 2-Aminobenzthiazolen |
| CN101918381A (zh) * | 2007-11-21 | 2010-12-15 | 解码遗传Ehf公司 | 用于治疗肺部和心血管病症的取代苯并唑pde4抑制剂 |
-
1980
- 1980-06-23 JP JP8405980A patent/JPS579774A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS579774A (en) | 1982-01-19 |
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