Nomenclature
CAS number: 1390-93-8
C
22H
38O
4; mol wt 366.53.
C 72.09%, H 10.45%, O 17.46%.
Description and references
From fruit pulp of Citrullus colocynthis Schrad., Cucurbitaceae: Power, Moore, J. Chem. Soc. 97, 99 (1910); Power,
Salway, ibid. 103, 399,
1022 (1913); Khadem, Rahman, Tetrahedron Lett. 1962, 1137.
Properties
Crystals, mp 282-283°. uv max: 242, 272, 282 nm (log ε 2.85, 2.68,
2.68). Sol in pyridine; practically insol in usual organic
solvents.Derivative
Diacetate.
C
26H
42O
6; mol wt 450.61.
C 69.30%, H 9.39%, O 21.30%.
Properties
Crystals, mp 162°.