New naphthoquinones from Arnebia hispidissima roots.
Besides shikonin and arnebifuranone, two new shikonin esters isolated from the roots of Arnebia hispidissima have been characterized as butylshikonin and 2'-methyl-hexa-1',3'-dienoylshikonin by physicochemical methods. Arnebifuranone is the first report from this species.
Shukla
Y N
YN
Srivastava
A
A
Singh
S C
SC
Kumar
S
S
D005505:Food Coloring Agents / Q000737:chemistry; D019684:Magnoliopsida / Q000737:chemistry*; D009285:Naphthoquinones / Q000737:chemistry / Q000302:isolation & purification*; D010936:Plant Extracts / Q000737:chemistry; D018517:Plant Roots / Q000737:chemistry
C438924:2'-methylhexa-1',3'-dienoylshikonin; D005505:Food Coloring Agents; D009285:Naphthoquinones; D010936:Plant Extracts; C438923:butylshikonin