Title: Naringenin
CAS Registry Number: 480-41-1
CAS Name: 2,3-Dihydro-5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
Additional Names: 4¢,5,7-trihydroxyflavanone; naringetol; salipurpol; pelargidanon 1602
Molecular Formula: C15H12O5
Molecular Weight: 272.25
Percent Composition: C 66.17%, H 4.44%, O 29.38%
Literature References: The aglucon of naringin. Prepn by hydrolysis of naringin: Asahina, Inubuse, Ber. 61, 1514 (1928); Haley, Bassin, J. Am. Pharm. Assoc. 40, 111 (1951). From kino of Eucalyptus maculata Hook, Myrtaceae: Gell et al., Aust. J. Chem. 11, 372 (1958). Synthesis: Rosenmund, Rosenmund, Ber. 61, 2608 (1928); Zemplén, Bognár, Ber. 75, 648 (1942). Absolute configuration: Gaffield, Waiss, Chem. Commun. 1968, 29.
Properties: Needles from dilute alc, mp 251°. uv max: 226, 292 nm. Sol in alcohol, ether, benzene; almost insol in water.
Melting point: mp 251°
Absorption maximum: uv max: 226, 292 nm
Derivative Type: Triacetylnaringenin
Molecular Formula: C15H9(CH3CO)3O5
Molecular Weight: 398.36
Percent Composition: C 63.32%, H 4.55%, O 32.13%
Properties: Crystals, mp 55°.
Melting point: mp 55°
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