SU603332A3 - Способ получени алканоламинов или их солей в виде рацемата или оптически-активных антиподов - Google Patents
Способ получени алканоламинов или их солей в виде рацемата или оптически-активных антиподовInfo
- Publication number
- SU603332A3 SU603332A3 SU752104405A SU2104405A SU603332A3 SU 603332 A3 SU603332 A3 SU 603332A3 SU 752104405 A SU752104405 A SU 752104405A SU 2104405 A SU2104405 A SU 2104405A SU 603332 A3 SU603332 A3 SU 603332A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- hydrogen
- formula
- group
- hydrochloride
- compounds
- Prior art date
Links
- 150000003839 salts Chemical class 0.000 title claims 6
- 238000000034 method Methods 0.000 title claims 5
- 229910052739 hydrogen Inorganic materials 0.000 claims 15
- 239000001257 hydrogen Substances 0.000 claims 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 12
- 150000001875 compounds Chemical class 0.000 claims 8
- 239000000203 mixture Substances 0.000 claims 7
- 239000000047 product Substances 0.000 claims 7
- 239000007858 starting material Substances 0.000 claims 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 6
- 150000002431 hydrogen Chemical group 0.000 claims 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims 5
- -1 mesl Chemical group 0.000 claims 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims 4
- 125000000217 alkyl group Chemical group 0.000 claims 4
- 125000004429 atom Chemical group 0.000 claims 4
- 229910052799 carbon Inorganic materials 0.000 claims 4
- 125000004432 carbon atom Chemical group C* 0.000 claims 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- 150000001412 amines Chemical class 0.000 claims 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims 3
- 238000009835 boiling Methods 0.000 claims 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims 3
- 229910052736 halogen Inorganic materials 0.000 claims 3
- 150000002367 halogens Chemical class 0.000 claims 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims 2
- 239000007795 chemical reaction product Substances 0.000 claims 2
- 238000005984 hydrogenation reaction Methods 0.000 claims 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 2
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 claims 2
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 claims 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 2
- 239000001294 propane Substances 0.000 claims 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 1
- OTVXVVYHNZUDSN-UHFFFAOYSA-N 3-aminobutanamide Chemical compound CC(N)CC(N)=O OTVXVVYHNZUDSN-UHFFFAOYSA-N 0.000 claims 1
- 125000001255 4-fluorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1F 0.000 claims 1
- 239000005711 Benzoic acid Substances 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- 125000004183 alkoxy alkyl group Chemical group 0.000 claims 1
- 235000010233 benzoic acid Nutrition 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- 239000003610 charcoal Substances 0.000 claims 1
- 238000004587 chromatography analysis Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 claims 1
- 238000002425 crystallisation Methods 0.000 claims 1
- 230000008025 crystallization Effects 0.000 claims 1
- NISGSNTVMOOSJQ-UHFFFAOYSA-N cyclopentanamine Chemical compound NC1CCCC1 NISGSNTVMOOSJQ-UHFFFAOYSA-N 0.000 claims 1
- 230000032050 esterification Effects 0.000 claims 1
- 238000005886 esterification reaction Methods 0.000 claims 1
- HHIOOBJZIASBFF-UHFFFAOYSA-N ethyl 3-aminobutanoate Chemical compound CCOC(=O)CC(C)N HHIOOBJZIASBFF-UHFFFAOYSA-N 0.000 claims 1
- 125000005843 halogen group Chemical group 0.000 claims 1
- GPGMRSSBVJNWRA-UHFFFAOYSA-N hydrochloride hydrofluoride Chemical compound F.Cl GPGMRSSBVJNWRA-UHFFFAOYSA-N 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 239000003446 ligand Substances 0.000 claims 1
- VYQNWZOUAUKGHI-UHFFFAOYSA-N monobenzone Chemical compound C1=CC(O)=CC=C1OCC1=CC=CC=C1 VYQNWZOUAUKGHI-UHFFFAOYSA-N 0.000 claims 1
- MPDOKHFNDKPACR-UHFFFAOYSA-N n-tert-butyl-2-chloroaniline Chemical compound CC(C)(C)NC1=CC=CC=C1Cl MPDOKHFNDKPACR-UHFFFAOYSA-N 0.000 claims 1
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 claims 1
- 239000011541 reaction mixture Substances 0.000 claims 1
- 238000005201 scrubbing Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical class S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 1
- 125000002088 tosyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C([H])([H])[H])S(*)(=O)=O 0.000 claims 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/13—Amines
- A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
- A61K31/138—Aryloxyalkylamines, e.g. propranolol, tamoxifen, phenoxybenzamine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/02—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C217/04—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
- C07C217/28—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having one amino group and at least two singly-bound oxygen atoms, with at least one being part of an etherified hydroxy group, bound to the carbon skeleton, e.g. ethers of polyhydroxy amines
- C07C217/30—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having one amino group and at least two singly-bound oxygen atoms, with at least one being part of an etherified hydroxy group, bound to the carbon skeleton, e.g. ethers of polyhydroxy amines having the oxygen atom of at least one of the etherified hydroxy groups further bound to a carbon atom of a six-membered aromatic ring
- C07C217/32—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having one amino group and at least two singly-bound oxygen atoms, with at least one being part of an etherified hydroxy group, bound to the carbon skeleton, e.g. ethers of polyhydroxy amines having the oxygen atom of at least one of the etherified hydroxy groups further bound to a carbon atom of a six-membered aromatic ring the six-membered aromatic ring or condensed ring system containing that ring being further substituted
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/02—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C217/04—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
- C07C217/28—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having one amino group and at least two singly-bound oxygen atoms, with at least one being part of an etherified hydroxy group, bound to the carbon skeleton, e.g. ethers of polyhydroxy amines
- C07C217/30—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having one amino group and at least two singly-bound oxygen atoms, with at least one being part of an etherified hydroxy group, bound to the carbon skeleton, e.g. ethers of polyhydroxy amines having the oxygen atom of at least one of the etherified hydroxy groups further bound to a carbon atom of a six-membered aromatic ring
- C07C217/32—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having one amino group and at least two singly-bound oxygen atoms, with at least one being part of an etherified hydroxy group, bound to the carbon skeleton, e.g. ethers of polyhydroxy amines having the oxygen atom of at least one of the etherified hydroxy groups further bound to a carbon atom of a six-membered aromatic ring the six-membered aromatic ring or condensed ring system containing that ring being further substituted
- C07C217/34—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having one amino group and at least two singly-bound oxygen atoms, with at least one being part of an etherified hydroxy group, bound to the carbon skeleton, e.g. ethers of polyhydroxy amines having the oxygen atom of at least one of the etherified hydroxy groups further bound to a carbon atom of a six-membered aromatic ring the six-membered aromatic ring or condensed ring system containing that ring being further substituted by halogen atoms, by trihalomethyl, nitro or nitroso groups, or by singly-bound oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/52—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups or amino groups bound to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
-
- 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
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7401958A SE388849B (sv) | 1974-02-14 | 1974-02-14 | Forfarande for framstellning av nya aminer med beta-receptorstimulerande verkan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU603332A3 true SU603332A3 (ru) | 1978-04-15 |
Family
ID=20320208
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU752104405A SU603332A3 (ru) | 1974-02-14 | 1975-02-12 | Способ получени алканоламинов или их солей в виде рацемата или оптически-активных антиподов |
| SU762315654A SU609460A3 (ru) | 1974-02-14 | 1976-01-20 | Способ получени производных аминопропанола или их солей |
| SU7602314963A SU577971A3 (ru) | 1974-02-14 | 1976-01-23 | Способ получени производных пропаноламина или их солей |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU762315654A SU609460A3 (ru) | 1974-02-14 | 1976-01-20 | Способ получени производных аминопропанола или их солей |
| SU7602314963A SU577971A3 (ru) | 1974-02-14 | 1976-01-23 | Способ получени производных пропаноламина или их солей |
Country Status (23)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2470912C2 (ru) * | 2007-05-22 | 2012-12-27 | Клариант Спешиалти Файн Кемикалз (Фрэнс) | Способ рацемизации оптически активных альфа-аминоацеталей |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4210653A (en) * | 1978-06-27 | 1980-07-01 | Merck & Co., Inc. | Pyridyloxypropanolamines |
| SE8004088L (sv) | 1980-06-02 | 1981-12-03 | Haessle Ab | Nya substituerade 3-fenoxi-l-alkoxikarbonylalkylamino-propanol-2-er med beta-receptorblockerande egenskaper samt forfarande for deras framstellning, farmaceutiska beredningar innehallande desamma och metod att ... |
| US4396629A (en) * | 1980-12-29 | 1983-08-02 | Sterling Drug Inc. | Compositions, processes and method |
| US5166218A (en) * | 1983-10-19 | 1992-11-24 | Hoffmann-La Roche Inc. | Phenoxypropanolamines and pharmaceutical compositions thereof |
| CA1262729A (en) * | 1983-10-19 | 1989-11-07 | Leo Alig | Phenoxypropanolamines |
| SE457505B (sv) * | 1984-01-10 | 1989-01-09 | Lejus Medical Ab | Laminatbelagd oral farmaceutisk komposition och foerfarande foer dess framstaellning |
| DE3544172A1 (de) * | 1985-12-13 | 1987-06-19 | Lentia Gmbh | Neue kristalline salze von aryloxy-propanolaminen, verfahren zu ihrer herstellung und ihre verwendung |
| ES2005525T3 (es) * | 1987-03-26 | 1992-10-01 | Helopharm W. Petrik Gmbh & Co.Kg. | Procedimiento para la fabricacion de 5-hidroxi-diprafenona y sus sales con acidos. |
| US6818660B2 (en) | 1996-04-09 | 2004-11-16 | Nps Pharmaceuticals, Inc. | Calcilytic compounds |
| AU726659B2 (en) | 1996-04-09 | 2000-11-16 | Nps Pharmaceuticals, Inc. | Calcilytic compounds |
| US5966498A (en) * | 1996-08-07 | 1999-10-12 | Lakewood Engineering And Manufacturing Company | End closure assembly for oil-filled heater |
| US7202261B2 (en) | 1996-12-03 | 2007-04-10 | Nps Pharmaceuticals, Inc. | Calcilytic compounds |
| TW483881B (en) | 1996-12-03 | 2002-04-21 | Nps Pharma Inc | Calcilytic compounds |
| JP4604583B2 (ja) * | 2004-07-20 | 2011-01-05 | ダイソー株式会社 | １−アミド−３−（２−ヒドロキシフェノキシ）−２−プロパノール誘導体、ならびに２−アミドメチル−１，４−ベンゾジオキサン誘導体の製造法 |
| IL165365A0 (en) | 2004-11-24 | 2006-01-15 | Q Core Ltd | Finger-type peristaltic pump |
| JP4934287B2 (ja) * | 2005-04-05 | 2012-05-16 | 花王株式会社 | 美白剤 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL301580A (US08124630-20120228-C00102.png) * | 1962-12-11 | |||
| GB1069345A (en) * | 1963-07-19 | 1967-05-17 | Ici Ltd | New alkanolamine derivatives |
| DE1922003C3 (de) * | 1969-04-30 | 1979-10-11 | Boehringer Mannheim Gmbh, 6800 Mannheim | N-(3-Aryloxy-2-hydroxypropyl)-aminocarbonsäuren, deren Ester, Amide und Salze, Verfahren zur Herstellung dieser Verbindungen und deren Verwendung bei der Bekämpfung von Herzinsuffizienz |
| BE790165A (fr) * | 1971-12-14 | 1973-02-15 | Parke Davis & Co | Nouveaux aminoalcanols et procede pour les preparer |
-
1974
- 1974-02-14 SE SE7401958A patent/SE388849B/xx unknown
-
1975
- 1975-01-20 ZA ZA00750381A patent/ZA75381B/xx unknown
- 1975-01-25 DE DE19752502993 patent/DE2502993A1/de not_active Ceased
- 1975-02-10 AT AT96475*#A patent/AT334881B/de not_active IP Right Cessation
- 1975-02-12 FI FI750390A patent/FI62055B/fi not_active Application Discontinuation
- 1975-02-12 SU SU752104405A patent/SU603332A3/ru active
- 1975-02-12 CH CH169075A patent/CH616648A5/de not_active IP Right Cessation
- 1975-02-12 DD DD184143A patent/DD118614A5/xx unknown
- 1975-02-12 AU AU78116/75A patent/AU497441B2/en not_active Expired
- 1975-02-13 IE IE279/75A patent/IE41350B1/xx unknown
- 1975-02-13 US US05/549,841 patent/US4244969A/en not_active Expired - Lifetime
- 1975-02-13 HU HUHE678A patent/HU169704B/hu unknown
- 1975-02-13 NO NO750468A patent/NO140628C/no unknown
- 1975-02-13 FR FR7504553A patent/FR2261000B1/fr not_active Expired
- 1975-02-13 GB GB6172/75A patent/GB1492647A/en not_active Expired
- 1975-02-13 CA CA220,014A patent/CA1052387A/en not_active Expired
- 1975-02-14 BE BE153340A patent/BE825515A/xx unknown
- 1975-02-14 DK DK53975AA patent/DK135711B/da unknown
- 1975-02-14 NL NL7501785A patent/NL7501785A/xx not_active Application Discontinuation
- 1975-02-14 CS CS75986A patent/CS202035B2/cs unknown
- 1975-02-14 LU LU71846A patent/LU71846A1/xx unknown
- 1975-02-14 JP JP50018088A patent/JPS50116433A/ja active Pending
-
1976
- 1976-01-20 SU SU762315654A patent/SU609460A3/ru active
- 1976-01-23 SU SU7602314963A patent/SU577971A3/ru active
-
1978
- 1978-08-28 CS CS785579A patent/CS202036B2/cs unknown
-
1979
- 1979-11-21 IT IT7950875A patent/IT7950875A0/it unknown
-
1980
- 1980-05-19 US US06/150,883 patent/US4336267A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2470912C2 (ru) * | 2007-05-22 | 2012-12-27 | Клариант Спешиалти Файн Кемикалз (Фрэнс) | Способ рацемизации оптически активных альфа-аминоацеталей |
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