L-Phenylalaninol
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L-Phenylalaninol

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An agent that inhibits the absorption of phenylalanine and the secretion of gastric acid.

Category
Amino Alcohol
Catalog number
BAT-000645
CAS number
3182-95-4
Molecular Formula
C9H13NO
Molecular Weight
151.2
L-Phenylalaninol
IUPAC Name
(2S)-2-amino-3-phenylpropan-1-ol
Synonyms
(S)-2-amino-3-phenylpropan-1-ol; Phenylalaninol; (S)-(-)-2-Amino-3-phenyl-1-propanol
Appearance
White to yellow solid
Purity
95%
Density
1.077 g/cm3
Melting Point
68-70°C
Boiling Point
303.8 ℃ / 760 mmHg
Storage
Store at 2-8 °C
InChI
InChI=1S/C9H13NO/c10-9(7-11)6-8-4-2-1-3-5-8/h1-5,9,11H,6-7,10H2/t9-/m0/s1
InChI Key
STVVMTBJNDTZBF-VIFPVBQESA-N
Canonical SMILES
OC[C@@H](N)CC1=CC=CC=C1
1. Inhibition of intestinal absorption of phenylalanine by phenylalaninol.
T Danno, T Fukushima, M Miyoshi, K Shimomura, K Matsumoto. J Biochem. 1975 Aug; 78(2): 269-75. DOI: 10.1093/oxfordjournals.jbchem.a130904. PMID: 1228171.
Plasma phenylalanine and tyrosine levels in rats which had been orally administered L-phenylalaninol and L-phenylalanine were determined. Since these amino acid levels in rats administered L-phenylalanine solution containing L-phenylalaninol were significantly lower than those in rats administered L-phenylalanine alone. L-phenylalaninol appears to inhibit the intestinal absorption of L-phenylalanine. This effect was more potent than that of cycloleucine. L-phenylalaninol inhibited the phenylalanine transport of everted sacs. The Km value of L-phenylalanine was 3.44 X 10(-3) M and the Ki value of L-phenylalaninol was 7.69 M 10(-3) M from Lineweaver-Burk plots. From these two curves, it appeared that L-phenylalaninol may competitively inhibit the intestinal transport of L-phenylalanine. The effects of L-phenylalanine, L-phenylalaninol and cycloleucine on the urinary excretions of Na+ and K+ in rats were also examined. Potassium excretion which increased on oral administration of L-phenylalanine, was suppressed by the administration of L-phenylalaninol but not administration of cycloleucine. L-phenylalaninol alone enhanced Na+ excretion in urine. These results confirmed that L-phenylalaninol shows inhibitory effects as potent as those of cycloleucine on the intestinal absorption of L-phenylalanine.
2. Resolution of 1- and 2-naphthylmethoxyacetic acids, Nmr reagents for absolute configuration determination, By use of l-phenylalaninol.
Takenori Kusumi, Shoko Arita, Tetsuya Yabuuchi. Chirality. 2003 Aug; 15(7): 609-14. DOI: 10.1002/chir.10252. PMID: 12840826.
Racemic 1- and 2-naphthylmethoxyacetic acids (1NMA and 2NMA), the chiral anisotropic reagents used for absolute configuration determination of chiral secondary alcohols and primary amines, were conveniently resolved to enantiomers (>99% ee) by condensation with L-phenylalaninol (2-amino-3-phenylpropanol), chromatographic separation of the diastereomers, and hydrolysis. This method enables large-scale preparation of enantiomeric 1NMA and 2NMA.
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