Structure of Fmoc-Dopa-OH
CAS No.: 137018-93-0
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CAS No. : | 137018-93-0 |
Formula : | C24H21NO6 |
M.W : | 419.43 |
SMILES Code : | O=C(O)[C@H](CC1=CC=C(O)C(O)=C1)NC(OCC2C3=CC=CC=C3C4=CC=CC=C24)=O |
MDL No. : | MFCD02682263 |
InChI Key : | NIJSCWCPASSJPI-FQEVSTJZSA-N |
Pubchem ID : | 15734945 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90%Chromat. | In toluene; at 80℃; under 225.023 Torr; for 0.416667h;Inert atmosphere; Sealed tube; Molecular sieve; | (2) taking the above dried Fmoc-DOPA-OH (2.1 g, 5 mmol) intermediate,a magnetic stirrer, and DMP (6.13ml, 50mmol),Add to a 100ml two-necked flask,Add a rectifying head to the vertical bottle opening of the flask.The outlet of the distillation head is connected to an oil seal.The side bottle mouth is sealed with a rubber stopper for sampling. After argon gas is applied for 5 minutes, 50 ml of anhydrous toluene (3A molecular sieve drying) is added to make a methanol tape.Continue to argon for 20 minutes. Then, depressurize to about 300hPa,The oil bath was heated to an oil temperature of 80 C, and no additional catalyst was added.The progress of the reaction was monitored by thin layer chromatography (TLC).And compared with Fmoc-DOPA (Acetonide)-OH standard.When the temperature rises to 115 C, the liquid begins to distill,After 15 minutes, 10-13 ml of liquid was distilled off.After 1 hour of reaction, the yield by TLC was about 90%. |