Nomenclature
CAS number: 8006-08-4
Description and references
A 1:1:1 mixture of ergocornine, ergocristinine,
and ergocryptinine. Isomeric with the ergotoxine
mixture, q.v. First reported by Tanret, Compt. Rend. 81, 891 (1875).
Resolution into three alkaloids: Stoll, Hofmann, Helv. Chim. Acta 26, 1570 (1943).
Properties
Crystallizes solvent-free, unlike ergotoxine which
tends to retain the solvent of crystn. Long prisms from acetone.
mp 229° with decompn. [α]D20 +365° (c = 0.35 in chloroform). Very sol in chloroform.
Sol in 25 parts acetone, 420 parts alcohol, 1000 parts abs ether.