Albizziin

Title: Albizziin
CAS Registry Number: 1483-07-4
CAS Name: 3-[(Aminocarbonyl)amino]-L-alanine
Additional Names: 2-amino-3-ureidopropionic acid
Molecular Formula: C4H9N3O3
Molecular Weight: 147.13
Percent Composition: C 32.65%, H 6.17%, N 28.56%, O 32.62%
Line Formula: NH2CONHCH2CH(NH2)COOH
Literature References: Constituent of several plants belonging to the family Mimosaceae. First obtained from the seeds of Albizzia julibrissin Durazz., Mimosaceae: Gmelin et al., Z. Naturforsch. 13b, 252 (1958); Z. Physiol. Chem. 314, 28 (1959). Structure: Kjaer et al., Experientia 15, 253 (1959). Synthesis: Kjaer, Larsen, Acta Chem. Scand. 13, 1565 (1959); Rudinger et al., Collect. Czech. Chem. Commun. 25, 2022 (1960).
Properties: Needles from dil alcohol, decomp 218-220°. [a]D25 -66.2° (c = 4 in H2O); [a]D24 -22.2° (c = 4.24 in 1.0N HCl); [a]D24 +3.2° (c = 4.7 in 1.0N NaOH). ORD data: Kjaer et al., Acta Chem. Scand. 18, 2412 (1964).
Optical Rotation: [a]D25 -66.2° (c = 4 in H2O); [a]D24 -22.2° (c = 4.24 in 1.0N HCl); [a]D24 +3.2° (c = 4.7 in 1.0N NaOH)
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