12-10121. Vincetoxin [Archived]

Nomenclature

CAS number: 1401-78-1
Cynanchin.

Description and 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

The water-soluble form.

Properties

Is a light yellow, amorphous powder, mp 132° (dec). [α]D 50°. Sol in alcohol, chloroform; insol in ether.

Derivative

The water-insoluble form.

Properties

Is an amorphous powder mp 59°. Sol in alcohol, chloroform, ether.

Status

This monograph has been retired and is no longer subject to revision or update.