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CAS No.: | 16652-64-5 | |||
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Name: | H-TYR(BZL)-OH | |||
Article Data: | 18 | |||
Molecular Structure: | ||||
Formula: | C16H17 N O3 | |||
Molecular Weight: | 271.316 | |||
Synonyms: | Alanine,3-[p-(benzyloxy)phenyl]-, L- (8CI); NSC 163630; O-Benzyl-L-tyrosine;O-Benzyltyrosine; Tyrosine benzyl ether | |||
EINECS: | 240-699-1 | |||
Density: | 1.221 g/cm3 | |||
Melting Point: | 225 - 230 C (Decomposes) | |||
Boiling Point: | 456.1 °C at 760 mmHg | |||
Flash Point: | 229.7 °C | |||
Solubility: | White to off-white crystalline powder | |||
Hazard Symbols: | Not regulated UN NO. | |||
Safety: | 22-24/25 | |||
Transport Information: | OTH | |||
PSA: | 72.55000 | |||
LogP: | 2.92030 |
O-benzyl-S-tyrosine
Conditions | Yield |
---|---|
With sodium sulfide In water at 25 - 30℃; for 0.166667h; | 93% |
O-benzyl-N-tert-butoxycarbonyl-L-tyrosine
O-benzyl-S-tyrosine
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; |
O-benzyl-S-tyrosine
Conditions | Yield |
---|---|
With N,N-Dibutyl-N'-(benzoyl)thioharnstoff In ethanol for 2h; Heating; | 80% |
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 | 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 | 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% |
benzyl bromide
O-benzyl-S-tyrosine
Conditions | Yield |
---|---|
With sodium hydroxide | |
With sodium hydroxide |
Conditions | Yield |
---|---|
With copper(II) sulfate In methanol; sodium hydroxide; water |
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 | Yield |
---|---|
With thionyl chloride at 20℃; for 12h; | 100% |
With hydrogenchloride |