JPS6312467B2 - - Google Patents
Info
- Publication number
- JPS6312467B2 JPS6312467B2 JP3713481A JP3713481A JPS6312467B2 JP S6312467 B2 JPS6312467 B2 JP S6312467B2 JP 3713481 A JP3713481 A JP 3713481A JP 3713481 A JP3713481 A JP 3713481A JP S6312467 B2 JPS6312467 B2 JP S6312467B2
- Authority
- JP
- Japan
- Prior art keywords
- isovaleric acid
- bromoisovaleric
- urea
- acid
- added
- 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
- GWYFCOCPABKNJV-UHFFFAOYSA-M 3-Methylbutanoic acid Natural products CC(C)CC([O-])=O GWYFCOCPABKNJV-UHFFFAOYSA-M 0.000 claims description 29
- GWYFCOCPABKNJV-UHFFFAOYSA-N beta-methyl-butyric acid Natural products CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 claims description 29
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 22
- XYHKNCXZYYTLRG-UHFFFAOYSA-N 1h-imidazole-2-carbaldehyde Chemical compound O=CC1=NC=CN1 XYHKNCXZYYTLRG-UHFFFAOYSA-N 0.000 claims description 21
- -1 isovaleric acid halide Chemical class 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 18
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 14
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 14
- 229910052794 bromium Inorganic materials 0.000 claims description 14
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 12
- 239000004202 carbamide Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- CMCCHHWTTBEZNM-UHFFFAOYSA-N 2-bromo-N-carbamoyl-3-methylbutanamide Chemical compound CC(C)C(Br)C(=O)NC(N)=O CMCCHHWTTBEZNM-UHFFFAOYSA-N 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 6
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical group ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 5
- MVYUMPZRKNBHOP-UHFFFAOYSA-N 2-bromo-3-methylbutanoyl chloride Chemical compound CC(C)C(Br)C(Cl)=O MVYUMPZRKNBHOP-UHFFFAOYSA-N 0.000 claims description 5
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 description 13
- 238000005893 bromination reaction Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- UEBARDWJXBGYEJ-UHFFFAOYSA-N 2-bromo-3-methylbutanoic acid Chemical compound CC(C)C(Br)C(O)=O UEBARDWJXBGYEJ-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229950011008 tetrachloroethylene Drugs 0.000 description 2
- LBXKQIWKQYEXRO-UHFFFAOYSA-N 3-methylbutanoyl bromide Chemical compound CC(C)CC(Br)=O LBXKQIWKQYEXRO-UHFFFAOYSA-N 0.000 description 1
- ISULZYQDGYXDFW-UHFFFAOYSA-N 3-methylbutanoyl chloride Chemical compound CC(C)CC(Cl)=O ISULZYQDGYXDFW-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012320 chlorinating reagent Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 230000002140 halogenating effect Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000005554 hypnotics and sedatives Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- BZRZRAJFBZQJRU-UHFFFAOYSA-N n-bromo-n-carbamoyl-3-methylbutanamide Chemical compound CC(C)CC(=O)N(Br)C(N)=O BZRZRAJFBZQJRU-UHFFFAOYSA-N 0.000 description 1
- XGISHOFUAFNYQF-UHFFFAOYSA-N pentanoyl chloride Chemical compound CCCCC(Cl)=O XGISHOFUAFNYQF-UHFFFAOYSA-N 0.000 description 1
- 150000003017 phosphorus Chemical class 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3713481A JPS57150653A (en) | 1981-03-13 | 1981-03-13 | Preparation of alpha-bromoisovalerylurea |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3713481A JPS57150653A (en) | 1981-03-13 | 1981-03-13 | Preparation of alpha-bromoisovalerylurea |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57150653A JPS57150653A (en) | 1982-09-17 |
JPS6312467B2 true JPS6312467B2 (es) | 1988-03-18 |
Family
ID=12489139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3713481A Granted JPS57150653A (en) | 1981-03-13 | 1981-03-13 | Preparation of alpha-bromoisovalerylurea |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57150653A (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100333913C (zh) | 2002-07-08 | 2007-08-29 | 精工爱普生株式会社 | 喷液装置 |
CN108395387A (zh) * | 2018-04-28 | 2018-08-14 | 苏州莱克施德药业有限公司 | 一种溴米索伐的合成方法 |
CN110204460A (zh) * | 2019-06-04 | 2019-09-06 | 华润双鹤利民药业(济南)有限公司 | 一种溴米索伐制作工艺流程 |
-
1981
- 1981-03-13 JP JP3713481A patent/JPS57150653A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57150653A (en) | 1982-09-17 |
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