Lactaroviolin

Structural formula
General
Surname	Lactaroviolin
other names	7-isopropenyl-4-methyl-1-azulene carbaldehyde ( IUPAC )
Molecular formula	C 15 H 14 O
Brief description	purple crystals
External identifiers / databases
CAS number 85-33-6 PubChem 123595 ChemSpider 110188 Wikidata Q20054531
properties
Molar mass	210.28 g mol −1
Physical state	firmly
Melting point	58 ° C
safety instructions
GHS hazard labeling no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Lactaroviolin is a chemical compound - more precisely a sesquiterpene - and contains the functional group of an aldehyde . The natural substance was first isolated by Willstaedt in the 1930s and is one of the Reizker dyes .

Occurrence

Milk cap ( Lactarius delicious )

Lactaroviolin is a derivative of the orange-red dye (7-isopropenyl-4-methyl-6,7-dihydroazulen-1-yl) methyl stearate contained in the milk sap of the noble irritant ( Lactarius delicious ).

Individual evidence

1. ↑ ^{a b c} Entry on lactaroviolin. In: Römpp Online . Georg Thieme Verlag, accessed on May 16, 2015.
2. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
3. ↑ E. Heilbronner, RW Schmid: On the knowledge of the sesquiterpenes and azulenes. Communication 113. Azulene aldehydes and azulene ketones: The structure of lactaroviolin . In: Helvetica Chimica Acta . tape 37 , no. 7 , 1954, pp. 2018 , doi : 10.1002 / hlca.19540370715 ( PDF ).
4. ↑ Albert Gossauer: Structure and reactivity of biomolecules . Helvetica Chimica Acta, Zurich 2006, ISBN 978-3-906390-29-1 , p. 167.