12-05346. Lactaroviolin [Archived]

Nomenclature

CAS number: 85-33-6
4-Methyl-7-(1-methylethenyl)-1-azulenecarboxaldehyde; 7-isopropenyl-4-methyl-1-azulenecarboxaldehyde; 1-formyl-4-methyl-7-isopropenylazulene.
C15H14O; mol wt 210.27.
C 85.68%, H 6.71%, O 7.61%.

Description and references

Antibiotic pigment produced by the fungus Lactarius deliciosus: Willstaedt, Ber. 68, 333 (1935); 69, 997 (1936); Benesová et al., Chem. Listy 48, 882 (1954). Structure: Plattner et al., Chem. Ind. (London) 1954, 1202; Sorm et al., ibid. 1511; Heilbron, Schmid, Helv. Chim. Acta 37, 2018 (1954).

Chemical structure

Properties

Purple crystals from petr ether, mp 58°. Sol in the usual organic solvents. Practically insol in water.

Status

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