ES316093A1 - Procedimiento para la fabricacion de l- (-) -alfa metil - beta- (3, 4-dihidroxifenil) -alanina - Google Patents
Procedimiento para la fabricacion de l- (-) -alfa metil - beta- (3, 4-dihidroxifenil) -alaninaInfo
- Publication number
- ES316093A1 ES316093A1 ES0316093A ES316093A ES316093A1 ES 316093 A1 ES316093 A1 ES 316093A1 ES 0316093 A ES0316093 A ES 0316093A ES 316093 A ES316093 A ES 316093A ES 316093 A1 ES316093 A1 ES 316093A1
- Authority
- ES
- Spain
- Prior art keywords
- benzylaminonitrile
- hydrolysis
- alpha
- methyl
- sulphonic 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 title 1
- 230000007062 hydrolysis Effects 0.000 abstract 6
- 238000006460 hydrolysis reaction Methods 0.000 abstract 6
- UMYZWICEDUEWIM-UHFFFAOYSA-N 1-(3,4-dimethoxyphenyl)propan-2-one Chemical compound COC1=CC=C(CC(C)=O)C=C1OC UMYZWICEDUEWIM-UHFFFAOYSA-N 0.000 abstract 4
- 239000007900 aqueous suspension Substances 0.000 abstract 4
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 abstract 4
- 238000006243 chemical reaction Methods 0.000 abstract 4
- 238000001816 cooling Methods 0.000 abstract 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 229910052783 alkali metal Inorganic materials 0.000 abstract 2
- -1 alkali metal cyanide Chemical class 0.000 abstract 2
- 125000003368 amide group Chemical group 0.000 abstract 2
- 150000001408 amides Chemical class 0.000 abstract 2
- MIOPJNTWMNEORI-UHFFFAOYSA-N camphorsulfonic acid Chemical class C1CC2(CS(O)(=O)=O)C(=O)CC1C2(C)C MIOPJNTWMNEORI-UHFFFAOYSA-N 0.000 abstract 2
- 125000002843 carboxylic acid group Chemical group 0.000 abstract 2
- 238000009903 catalytic hydrogenation reaction Methods 0.000 abstract 2
- 238000006264 debenzylation reaction Methods 0.000 abstract 2
- 230000017858 demethylation Effects 0.000 abstract 2
- 238000010520 demethylation reaction Methods 0.000 abstract 2
- 230000003301 hydrolyzing effect Effects 0.000 abstract 2
- 239000012452 mother liquor Substances 0.000 abstract 2
- 239000003960 organic solvent Substances 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical group OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- 239000001117 sulphuric acid Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB78032A DE1235946B (de) | 1964-08-08 | 1964-08-08 | Verfahren zur Herstellung von L-(í¬)-alpha-Methyl-beta-(3, 4-dihydroxy-phenyl)-alanin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES316093A1 true ES316093A1 (es) | 1965-12-01 |
Family
ID=6979712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0316093A Expired ES316093A1 (es) | 1964-08-08 | 1965-08-03 | Procedimiento para la fabricacion de l- (-) -alfa metil - beta- (3, 4-dihidroxifenil) -alanina |
Country Status (12)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633692B (zh) * | 2012-04-11 | 2014-04-09 | 上海康福赛尔医药科技有限公司 | 一种光学活性左旋和右旋3-溴樟脑-8-磺酸的制备方法 |
-
0
- GB GB1050838D patent/GB1050838A/en active Active
-
1964
- 1964-08-08 DE DEB78032A patent/DE1235946B/de active Pending
-
1965
- 1965-08-03 ES ES0316093A patent/ES316093A1/es not_active Expired
- 1965-08-05 DK DK402265A patent/DK111621B/da unknown
- 1965-08-05 FR FR27355A patent/FR1462253A/fr not_active Expired
- 1965-08-05 IL IL2409465A patent/IL24094A/xx unknown
- 1965-08-05 CH CH1099265A patent/CH476686A/de not_active IP Right Cessation
- 1965-08-06 FI FI190265A patent/FI44005C/fi active
- 1965-08-06 NL NL6510306A patent/NL6510306A/xx unknown
- 1965-08-06 AT AT728465A patent/AT257581B/de active
- 1965-08-06 BE BE668028D patent/BE668028A/xx unknown
- 1965-08-06 LU LU49278A patent/LU49278A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1235946B (de) | 1967-03-09 |
| CH476686A (de) | 1969-08-15 |
| AT257581B (de) | 1967-10-10 |
| BE668028A (enrdf_load_stackoverflow) | 1966-02-07 |
| GB1050838A (enrdf_load_stackoverflow) | |
| IL24094A (en) | 1969-02-27 |
| DK111621B (da) | 1968-09-23 |
| NL6510306A (enrdf_load_stackoverflow) | 1966-02-09 |
| FI44005C (fi) | 1971-08-10 |
| FI44005B (enrdf_load_stackoverflow) | 1971-04-30 |
| LU49278A1 (enrdf_load_stackoverflow) | 1965-10-06 |
| FR1462253A (fr) | 1966-04-15 |
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