(R)-2-(4-MethylphenylsulfonaMido)-3-phenylpropanoicacid
- Product Name
- (R)-2-(4-MethylphenylsulfonaMido)-3-phenylpropanoicacid
- CAS No.
- 86117-53-5
- Chemical Name
- (R)-2-(4-MethylphenylsulfonaMido)-3-phenylpropanoicacid
- Synonyms
- N-Tos-D-Phe-OH;Tosyl-D-phenylalanine;N-Tosyl-D-phenylalanine;N-[(4-Methylphenyl)sulfonyl]-D-phenylalanine;D-Phenylalanine, N-[(4-methylphenyl)sulfonyl]-;(R)-2-(4-MethylphenylsulfonaMido)-3-phenylpropanoicacid
- CBNumber
- CB02676395
- Molecular Formula
- C16H17NO4S
- Formula Weight
- 319.38
- MOL File
- 86117-53-5.mol
(R)-2-(4-MethylphenylsulfonaMido)-3-phenylpropanoicacid Property
- Melting point:
- 164-165 °C(Solv: ethanol (64-17-5))
- Boiling point:
- 517.7±60.0 °C(Predicted)
- Density
- 1.303±0.06 g/cm3(Predicted)
- storage temp.
- Sealed in dry,Room Temperature
- pka
- 3.31±0.10(Predicted)
- Appearance
- White to off-white Solid
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- 5987AQ
- Product name
- N-TOSYL-D-PHENYLALANINE
- Packaging
- 100mg
- Price
- $158
- Updated
- 2021/12/16
- Product number
- 5987AQ
- Product name
- N-TOSYL-D-PHENYLALANINE
- Packaging
- 250mg
- Price
- $240.8
- Updated
- 2021/12/16
- Product number
- 5987AQ
- Product name
- N-TOSYL-D-PHENYLALANINE
- Packaging
- 5g
- Price
- $1976
- Updated
- 2021/12/16
- Product number
- CM255376
- Product name
- (R)-2-(4-Methylphenylsulfonamido)-3-phenylpropanoicacid
- Purity
- 97%
- Packaging
- 1g
- Price
- $270
- Updated
- 2021/12/16
- Product number
- 86117535
- Product name
- (R)-2-(4-Methylphenylsulfonamido)-3-phenylpropanoicacid
- Packaging
- 1g
- Price
- $323.3
- Updated
- 2021/12/16
(R)-2-(4-MethylphenylsulfonaMido)-3-phenylpropanoicacid Chemical Properties,Usage,Production
Synthesis
673-06-3
98-59-9
86117-53-5
The general procedure for the synthesis of (R)-2-(4-methylphenylsulfonylamino)-3-phenylpropanoic acid from D-phenylalanine and p-toluenesulfonyl chloride was as follows: at room temperature, D-phenylalanine (1 g, 6 mmol) was suspended in 25 mL of water, followed by the addition of NaOH (0.72 g, 18 mmol) and p-toluenesulfonyl chloride (1.37 g, 7.2 mmol). The reaction mixture was stirred at 60 °C for 6 hours. After completion of the reaction, the products were separated by acid-base washing method. This was done by adding 3M HCl and EtOAc to the reaction mixture and adjusting the pH to 1, which resulted in the protonation and transfer of D-phenylalanine to the aqueous phase, while the product was transferred to the organic phase. Subsequently, the pH was adjusted to 11-12 by adding 2M NaOH aqueous solution to deprotonate the product and transfer it back to the aqueous phase. Finally, the pH was adjusted again by adding 3M HCl to protonate the product and transfer it to the organic phase. The organic phase was washed with brine, dried with MgSO4, and the target product (1.80 g, 95% yield) was obtained by evaporating the solvent.
References
[1] Asian Journal of Chemistry, 2014, vol. 26, # 20, p. 6733 - 6736
[2] Chemistry - A European Journal, 2004, vol. 10, # 10, p. 2529 - 2547
[3] Organic Letters, 2006, vol. 8, # 4, p. 633 - 636
[4] Journal of Organic Chemistry, 2003, vol. 68, # 17, p. 6632 - 6638
[5] Chemische Berichte, 1915, vol. 48, p. 374
(R)-2-(4-MethylphenylsulfonaMido)-3-phenylpropanoicacid Preparation Products And Raw materials
Raw materials
Preparation Products
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