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Cas Database |
| Name |
O-Benzyl-L-tyrosine |
EINECS | 240-699-1 | |
| CAS No. | 16652-64-5 | Density | 1.221 g/cm3 | |
| PSA | 72.55000 | LogP | 2.92030 | |
| Solubility | Melting Point |
225 - 230 C (Decomposes) |
||
| Formula | C16H17 N O3 | Boiling Point | 456.1 °C at 760 mmHg | |
| Molecular Weight | 271.316 | Flash Point | 229.7 °C | |
| Transport Information | OTH | Appearance | White to off-white crystalline powder | |
| Safety | 22-24/25 | Risk Codes | N/A | |
| Molecular Structure |
|
Hazard Symbols | Not regulated UN NO. | |
| Synonyms |
Alanine,3-[p-(benzyloxy)phenyl]-, L- (8CI); NSC 163630; O-Benzyl-L-tyrosine;O-Benzyltyrosine; Tyrosine benzyl ether |
Article Data | 18 | |
O-Benzyl-L-tyrosine Synthetic route
- 16652-64-5
O-benzyl-S-tyrosine
Conditions
| Conditions | Yield |
|---|---|
| With sodium sulfide In water at 25 - 30℃; for 0.166667h; | 93% |
- 2130-96-3
O-benzyl-N-tert-butoxycarbonyl-L-tyrosine
- 16652-64-5
O-benzyl-S-tyrosine
Conditions
| Conditions | Yield |
|---|---|
| With ammonia; hydrogen; palladium on activated charcoal In methanol for 0.5h; Ambient temperature; | 89% |
| With hydrogenchloride In diethyl ether Hydrolysis; | |
| With trifluoroacetic acid at 20℃; for 0.25h; |
- 16652-64-5
O-benzyl-S-tyrosine
Conditions
| Conditions | Yield |
|---|---|
| With N,N-Dibutyl-N'-(benzoyl)thioharnstoff In ethanol for 2h; Heating; | 80% |
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: L-tyrosine With sodium hydroxide; copper(II) sulfate for 1h; Heating; Stage #2: benzyl bromide With sodium hydroxide In methanol at 20℃; | 73% |
| Stage #1: L-tyrosine With copper(ll) sulfate pentahydrate; sodium hydroxide In water at 70℃; for 1h; Stage #2: benzyl bromide With sodium hydroxide In methanol at 70℃; for 0.5h; | 68% |
| Stage #1: L-tyrosine With copper(ll) sulfate pentahydrate; sodium hydroxide In water at 20 - 70℃; Stage #2: benzyl bromide With sodium hydroxide In methanol; water Enzymatic reaction; Stage #3: With edetate disodium In water at 70℃; for 4.5h; | 68% |
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: L-tyrosine With potassium hydroxide; copper(II) sulfate In water at 15 - 65℃; for 1h; Stage #2: benzyl chloride In water; N,N-dimethyl-formamide at 20 - 55℃; for 2h; Stage #3: With hydrogenchloride; ammonia more than 3 stages; | 62% |
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: O-benzyl-L-tyrosine coper complex; hydrogenchloride In water at 26 - 28℃; Stage #2: With ammonia In water Product distribution / selectivity; | 46% |
- 100-39-0
benzyl bromide
- 16652-64-5
O-benzyl-S-tyrosine
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide | |
| With sodium hydroxide |
Conditions
| Conditions | Yield |
|---|---|
| With copper(II) sulfate In methanol; sodium hydroxide; water |
Conditions
| Conditions | Yield |
|---|---|
| With copper(II) sulfate In methanol; sodium hydroxide; water | |
| With copper(II) sulfate In methanol; sodium hydroxide; water | |
| With copper(II) sulfate In methanol; sodium hydroxide; water |
Conditions
| Conditions | Yield |
|---|---|
| With thionyl chloride at 20℃; for 12h; | 100% |
| With hydrogenchloride |
O-Benzyl-L-tyrosine Chemical Properties
The molecular formula of O-Benzyl-L-tyrosine(16652-64-5) is C16H17NO3 and its formula weight is 271.31.
O-Benzyl-L-tyrosine(16652-64-5) has a melting point of 259 °C (dec.)(lit.).
The chemical synonyms of O-Benzyl-L-tyrosine(16652-64-5) are (S)-2-AMINO-3-(4'-BENZYLOXYPHENYL)PROPANOIC ACID;O-BENZYL-L-TYR;O-BENZYL-L-TYROSINE;TYROSINE(BZL)-OH;L-TYROSINE BENZYL ETHER;H-TYR(BZL)-OH;4-BENZYLOXY-L-PHENYLALANINE;D-O-Benzyltyrosine
The molecular structure of O-Benzyl-L-tyrosine(16652-64-5):
O-Benzyl-L-tyrosine(16652-64-5) has a melting point of 259 °C (dec.)(lit.).
The chemical synonyms of O-Benzyl-L-tyrosine(16652-64-5) are (S)-2-AMINO-3-(4'-BENZYLOXYPHENYL)PROPANOIC ACID;O-BENZYL-L-TYR;O-BENZYL-L-TYROSINE;TYROSINE(BZL)-OH;L-TYROSINE BENZYL ETHER;H-TYR(BZL)-OH;4-BENZYLOXY-L-PHENYLALANINE;D-O-Benzyltyrosine
The molecular structure of O-Benzyl-L-tyrosine(16652-64-5):
O-Benzyl-L-tyrosine Toxicity Data With Reference
RTECS#: CAS# 16652-64-5: None listed
LD50/LC50: RTECS: Not available.
Carcinogenicity: O-BENZYL-L-TYROSINE, 99% - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
LD50/LC50: RTECS: Not available.
Carcinogenicity: O-BENZYL-L-TYROSINE, 99% - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
O-Benzyl-L-tyrosine Safety Profile
Safety Statements 22-24/25
WGK Germany 3
WGK Germany 3
O-Benzyl-L-tyrosine Specification
Chemical Stability: Stable under normal temperatures and pressures.
Conditions to Avoid: Strong oxidants.
Incompatibilities with Other Materials Not available
Hazardous Decomposition Products Irritating and toxic fumes and gases.
Hazardous Polymerization Hazardous Polymerization
Conditions to Avoid: Strong oxidants.
Incompatibilities with Other Materials Not available
Hazardous Decomposition Products Irritating and toxic fumes and gases.
Hazardous Polymerization Hazardous Polymerization
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