Pungenin

Pungenin
	; Chemical structure of Pungenin
Names
	Preferred IUPAC name 1-[4-hydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]ethanone
	Other names Pungenin
Identifiers
CAS Number	55483-00-6;
3D model (JSmol)	Interactive image;
PubChem CID	12314759;
CompTox Dashboard (EPA)	DTXSID801216422 ;
	InChI InChI=1S/C14H18O8/c1-6(16)7-2-3-8(17)9(4-7)21-14-13(20)12(19)11(18)10(5-15)22-14/h2-4,10-15,17-20H,5H2,1H3/t10-,11-,12+,13-,14-/m1/s1 Key: AOXMCWFZPZRDPE-RKQHYHRCSA-N;
	SMILES CC(=O)C1=CC(=C(C=C1)O)OC2C(C(C(C(O2)CO)O)O)O;
Properties
Chemical formula	C14H18O8
Molar mass	314.290 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

Pungenin is a phenolic compound found in the needles of Blue Spruce (Picea pungens).^[1] It is the glucoside of 3,4-dihydroxyacetophenone.

Chemical Ecology

The compound serves a feeding deterrent against Spruce Budworm larvae.^[2]

^ Neish, A. C. (1957). "Pungenin: a Glucoside found in the leaves of Picea Pungens (Colorado Spruce)". Canadian Journal of Biochemistry and Physiology. 35 (2): 161–167. doi:10.1139/o57-020.
^ Strunz, George M.; Giguère, Pierre; Thomas, Anthony W. (1986). "Synthesis of pungenin, a foliar constituent of some spruce species, and investigation of its efficacy as a feeding deterrent for spruce budworm [Choristoneura fumiferana (Clem.)]". Journal of Chemical Ecology. 12 (1): 251–260. doi:10.1007/BF01045608.

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