Pentahomoserine
Title: Pentahomoserine
CAS Registry Number: 533-88-0
CAS Name: 5-Hydroxynorvaline
Additional Names: a-amino-d-hydroxy-n-valeric acid; 2-amino-5-hydroxypentanoic acid
Molecular Formula: C5H11NO3
Molecular Weight: 133.15
Percent Composition: C 45.10%, H 8.33%, N 10.52%, O 36.05%
Literature References: Synthesis: Sörensen, Bull. Soc. Chim. Fr. 33, 1052 (1904); Plieninger, Ber. 83, 271 (1950); Gaudry, Can. J. Chem. 29, 544 (1951). Enzymatic resolution: Berlinguet, Gaudry, J. Biol. Chem. 198, 765 (1952).
 
Derivative Type: L-Form
Properties: Crystals. [M]D +38.3° (5N HCl); [M]D +46.6° (glacial acetic acid). [a]D23 -28.8° (c = 2 in 6N HCl).
Optical Rotation: [a]D23 -28.8° (c = 2 in 6N HCl)
 
Derivative Type: D-Form
Properties: Crystals from dil alcohol. [a]D23 -28.0° (c = 2 in 6N HCl).
Optical Rotation: [a]D23 -28.0° (c = 2 in 6N HCl)
 
Derivative Type: DL-Form
Properties: Crystals from dil alcohol, mp 218°; 218-220°; 223-224°, depending on rate of heating.
Melting point: mp 218°; 218-220°; 223-224°
 
 
Status: This monograph has been retired and is no longer subject to revision or update.

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