Title: Vincetoxin
CAS Registry Number: 1401-78-1
Additional Names: Cynanchin
Literature References: From roots of Vincetoxicum officinale Moench., Asclepiadaceae: Tanret, Compt. Rend. 100, 277 (1885); Kubler, Arch. Pharm. 246, 660 (1908); Gager, Zechner, ibid. 276, 431 (1938). Constitution: Korte, Ber. 88, 1527 (1955); Korte, Ripphahn, Ann. 621, 58 (1959). Known in two forms: water-soluble and water-insoluble.
Derivative Type: The water-soluble form
Properties: Is a light yellow, amorphous powder, mp 132° (dec). [a]D -50°. Sol in alcohol, chloroform; insol in ether.
Melting point: mp 132° (dec)
Optical Rotation: [a]D -50°
Derivative Type: The water-insoluble form
Properties: Is an amorphous powder mp 59°. Sol in alcohol, chloroform, ether.
Melting point: mp 59°
Status: This monograph has been retired and is no longer subject to revision or update. |