Bilobol

Bilobol
Names
	Preferred IUPAC name 5-[(8Z)-Pentadec-8-enyl]benzene-1,3-diol
	Other names 5-[(Z)-Pentadec-8-en-1-yl]resorcinol; 5-Pentadecenylresorcinol
Identifiers
CAS Number	22910-86-7 ;
3D model (JSmol)	Interactive image; Interactive image;
ChemSpider	4445147;
PubChem CID	5281852;
CompTox Dashboard (EPA)	DTXSID90872874 ;
	InChI InChI=1S/C21H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-19-16-20(22)18-21(23)17-19/h7-8,16-18,22-23H,2-6,9-15H2,1H3/b8-7- Key: TUGAUFMQYWZJAB-FPLPWBNLSA-N; InChI=1/C21H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-19-16-20(22)18-21(23)17-19/h7-8,16-18,22-23H,2-6,9-15H2,1H3/b8-7- Key: TUGAUFMQYWZJAB-FPLPWBNLBC;
	SMILES Oc1cc(cc(O)c1)CCCCCCC\C=C/CCCCCC; CCCCCCC=CCCCCCCCC1=CC(=CC(=C1)O)O;
Properties
Chemical formula	C21H34O2
Molar mass	318.501 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Bilobol is an alkylresorcinol from Ginkgo biloba. Chemically, it is similar in structure to urushiol, the irritant found in poison ivy; it is a strong skin irritant itself.^[1]

Natural occurrences

Bilobol can be found in Ginkgo biloba fruits.^[2]

^ Matsumoto, Kazuyuk i; Fujimoto, Masao; Ito, Kazuo; Tanaka, Hitoshi; Hirono, Iwao (1990). "Comparison of the effects of bilobol and 12-O-tetradecanoylphorbol-13-acetate on skin, and test of tumor promoting potential of bilobol in CD-1 mice". The Journal of Toxicological Sciences. 15 (1): 39–46. doi:10.2131/jts.15.39. PMID 2110595.
^ Tanaka, A; Arai, Y; Kim, SN; Ham, J; Usuki, T (2011). "Synthesis and biological evaluation of bilobol and adipostatin A". Journal of Asian Natural Products Research. 13 (4): 290–6. doi:10.1080/10286020.2011.554828. PMID 21462031. S2CID 25305504.