JPH0463080B2 - - Google Patents
Info
- Publication number
- JPH0463080B2 JPH0463080B2 JP2119155A JP11915590A JPH0463080B2 JP H0463080 B2 JPH0463080 B2 JP H0463080B2 JP 2119155 A JP2119155 A JP 2119155A JP 11915590 A JP11915590 A JP 11915590A JP H0463080 B2 JPH0463080 B2 JP H0463080B2
- Authority
- JP
- Japan
- Prior art keywords
- apm
- hydrochloric acid
- hydrochloride
- concentration
- reaction
- 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 - Lifetime
Links
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 132
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 48
- IAOZJIPTCAWIRG-QWRGUYRKSA-N aspartame Chemical compound OC(=O)C[C@H](N)C(=O)N[C@H](C(=O)OC)CC1=CC=CC=C1 IAOZJIPTCAWIRG-QWRGUYRKSA-N 0.000 claims description 23
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 5
- VSDUZFOSJDMAFZ-VIFPVBQESA-N methyl L-phenylalaninate Chemical compound COC(=O)[C@@H](N)CC1=CC=CC=C1 VSDUZFOSJDMAFZ-VIFPVBQESA-N 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 description 24
- 238000006243 chemical reaction Methods 0.000 description 16
- 239000013078 crystal Substances 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 10
- 239000012046 mixed solvent Substances 0.000 description 9
- 125000004185 ester group Chemical group 0.000 description 8
- 230000007062 hydrolysis Effects 0.000 description 7
- 238000006460 hydrolysis reaction Methods 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 238000006344 deformylation reaction Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 108090000765 processed proteins & peptides Proteins 0.000 description 6
- NSNHWTBQMQIDCF-UHFFFAOYSA-N dihydrate;hydrochloride Chemical compound O.O.Cl NSNHWTBQMQIDCF-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007086 side reaction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 230000006198 deformylation Effects 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- -1 that is Chemical compound 0.000 description 3
- QCQCHGYLTSGIGX-GHXANHINSA-N 4-[[(3ar,5ar,5br,7ar,9s,11ar,11br,13as)-5a,5b,8,8,11a-pentamethyl-3a-[(5-methylpyridine-3-carbonyl)amino]-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3h-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid Chemical compound N([C@@]12CC[C@@]3(C)[C@]4(C)CC[C@H]5C(C)(C)[C@@H](OC(=O)CC(C)(C)C(O)=O)CC[C@]5(C)[C@H]4CC[C@@H]3C1=C(C(C2)=O)C(C)C)C(=O)C1=CN=CC(C)=C1 QCQCHGYLTSGIGX-GHXANHINSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000005903 acid hydrolysis reaction Methods 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- DFTMVZIUYVECNW-VKHMYHEASA-N n-[(3s)-2,5-dioxooxolan-3-yl]formamide Chemical compound O=CN[C@H]1CC(=O)OC1=O DFTMVZIUYVECNW-VKHMYHEASA-N 0.000 description 2
- 102000004196 processed proteins & peptides Human genes 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- MTQBJQWJDGTPIL-QWRGUYRKSA-N (2s)-4-[[(1s)-1-carboxy-2-phenylethyl]amino]-2-formamido-4-oxobutanoic acid Chemical compound O=CN[C@H](C(=O)O)CC(=O)N[C@H](C(O)=O)CC1=CC=CC=C1 MTQBJQWJDGTPIL-QWRGUYRKSA-N 0.000 description 1
- AAQFSZFQCXLMNT-ACMTZBLWSA-N (3s)-3-amino-4-[[(2s)-1-methoxy-1-oxo-3-phenylpropan-2-yl]amino]-4-oxobutanoic acid;hydrochloride Chemical compound Cl.OC(=O)C[C@H](N)C(=O)N[C@H](C(=O)OC)CC1=CC=CC=C1 AAQFSZFQCXLMNT-ACMTZBLWSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229940024606 amino acid Drugs 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- FUKUFMFMCZIRNT-UHFFFAOYSA-N hydron;methanol;chloride Chemical compound Cl.OC FUKUFMFMCZIRNT-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 125000006239 protecting group Chemical group 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Landscapes
- Peptides Or Proteins (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11915590A JPH03169894A (ja) | 1982-04-22 | 1990-05-09 | α―Ｌ―アスパルチル―Ｌ―フェニルアラニンメチルエステルまたはその塩酸塩の製法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57067687A JPS58185545A (ja) | 1982-04-22 | 1982-04-22 | α−Ｌ−アスパルチル−Ｌ−フエニルアラニンメチルエステルまたはその塩酸塩の製法 |
| JP11915590A JPH03169894A (ja) | 1982-04-22 | 1990-05-09 | α―Ｌ―アスパルチル―Ｌ―フェニルアラニンメチルエステルまたはその塩酸塩の製法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57067687A Division JPS58185545A (ja) | 1982-04-22 | 1982-04-22 | α−Ｌ−アスパルチル−Ｌ−フエニルアラニンメチルエステルまたはその塩酸塩の製法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03169894A JPH03169894A (ja) | 1991-07-23 |
| JPH0463080B2 true JPH0463080B2 (es) | 1992-10-08 |
Family
ID=26408900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11915590A Granted JPH03169894A (ja) | 1982-04-22 | 1990-05-09 | α―Ｌ―アスパルチル―Ｌ―フェニルアラニンメチルエステルまたはその塩酸塩の製法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03169894A (es) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223001A (en) * | 1975-08-14 | 1977-02-21 | Ajinomoto Co Inc | Process for elimination of formyl group |
-
1990
- 1990-05-09 JP JP11915590A patent/JPH03169894A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223001A (en) * | 1975-08-14 | 1977-02-21 | Ajinomoto Co Inc | Process for elimination of formyl group |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03169894A (ja) | 1991-07-23 |
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