211. Albizziin

Nomenclature

CAS number: 1483-07-4
3-[(Aminocarbonyl)amino]-l-alanine; 2-amino-3-ureidopropionic acid.
C4H9N3O3; mol wt 147.13.
C 32.65%, H 6.17%, N 28.56%, O 32.62%.

Description and 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).

Chemical structure

Properties

Needles from dil alcohol, decomp 218-220°. [α]D25 66.2° (c = 4 in H2O); [α]D24 22.2° (c = 4.24 in 1.0N HCl); [α]D24 +3.2° (c = 4.7 in 1.0N NaOH). ORD data: Kjaer et al., Acta Chem. Scand. 18, 2412 (1964).