DE2165109A1 - Verfahren zur Herstellung von alpha-Methyl-beta-(3,4-dihydroxyphenyl)-alanin - Google Patents
Verfahren zur Herstellung von alpha-Methyl-beta-(3,4-dihydroxyphenyl)-alaninInfo
- Publication number
- DE2165109A1 DE2165109A1 DE19712165109 DE2165109A DE2165109A1 DE 2165109 A1 DE2165109 A1 DE 2165109A1 DE 19712165109 DE19712165109 DE 19712165109 DE 2165109 A DE2165109 A DE 2165109A DE 2165109 A1 DE2165109 A1 DE 2165109A1
- Authority
- DE
- Germany
- Prior art keywords
- compound
- acid
- alkali metal
- methyl
- mineral 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
- C07D317/50—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
- C07D317/60—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45129807A JPS5025465B1 (https=) | 1970-12-29 | 1970-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2165109A1 true DE2165109A1 (de) | 1972-07-13 |
Family
ID=15018696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712165109 Pending DE2165109A1 (de) | 1970-12-29 | 1971-12-28 | Verfahren zur Herstellung von alpha-Methyl-beta-(3,4-dihydroxyphenyl)-alanin |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3784640A (https=) |
| JP (1) | JPS5025465B1 (https=) |
| DE (1) | DE2165109A1 (https=) |
| FR (1) | FR2121047A5 (https=) |
| GB (1) | GB1377959A (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4065473A (en) * | 1973-10-01 | 1977-12-27 | Hoffmann-La Roche Inc. | Intermediates in the preparation of 2,3,4,5-tetrahydro-1H-3-benzazepines |
| US3891696A (en) * | 1973-11-02 | 1975-06-24 | Interx Research Corp | Novel, transient pro-drug forms of l-dopa |
| US4325961A (en) * | 1977-06-01 | 1982-04-20 | Merck & Co., Inc. | Fluorinated amino acids |
| US4401676A (en) * | 1977-06-01 | 1983-08-30 | Merck & Co., Inc. | Novel α-amino acids |
| US4695588A (en) * | 1977-06-01 | 1987-09-22 | Merck & Co., Inc. | Fluorinated amino acids |
| US4843160A (en) * | 1984-10-01 | 1989-06-27 | The Dow Chemical Company | Preparation of alpha-aminoalkylphenols |
-
1970
- 1970-12-29 JP JP45129807A patent/JPS5025465B1/ja active Pending
-
1971
- 1971-12-14 US US00207950A patent/US3784640A/en not_active Expired - Lifetime
- 1971-12-14 GB GB5809171A patent/GB1377959A/en not_active Expired
- 1971-12-28 DE DE19712165109 patent/DE2165109A1/de active Pending
- 1971-12-28 FR FR7147184A patent/FR2121047A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2121047A5 (https=) | 1972-08-18 |
| US3784640A (en) | 1974-01-08 |
| GB1377959A (en) | 1974-12-18 |
| JPS5025465B1 (https=) | 1975-08-23 |
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