Dinaphthylene dioxide

Dinaphthylene dioxide[1]
Names
	Preferred IUPAC name Xantheno[2,1,9,8-klmna]xanthene
	Other names Dinaphthalene dioxide; peri-Xanthenoxanthene; (2,8');(8,2')-dioxo-1,1'-binaphthyl; NSC47493
Identifiers
CAS Number	191-28-6;
3D model (JSmol)	Interactive image;
ChemSpider	210417;
PubChem CID	240798;
UNII	72HE489YM9 ;
CompTox Dashboard (EPA)	DTXSID10286772 ;
	InChI InChI=1/C20H10O2/c1-3-11-7-9-16-19-17(11)13(5-1)21-15-10-8-12-4-2-6-14(22-16)18(12)20(15)19/h1-10H Key: AMDQVKPUZIXQFC-UHFFFAOYAZ;
	SMILES O2c1cccc5c1c4c3c2ccc6c3c(Oc4cc5)ccc6;
Properties
Chemical formula	C20H10O2
Molar mass	282.298 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

Dinaphthylene dioxide, also known as peri-xanthenoxanthene (PXX), is an organic compound used to synthesize 3,9-diphenyl-peri-xanthenoxanthene (Ph-PXX). Ph-PXX, in its soluble form, is used as organic semiconductor for thin-film transistors (TFT).[2]

STM images of brominated PXX molecules

References

Dinaphthylene dioxide, PubChem
Kobayashi, N.; Sasaki, M.; Nomoto, K. (2009). "Stableperi-Xanthenoxanthene Thin-Film Transistors with Efficient Carrier Injection". Chemistry of Materials. 21 (3): 552–556. doi:10.1021/cm802826m.

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[1] Dinaphthylene dioxide, PubChem

[2] Kobayashi, N.; Sasaki, M.; Nomoto, K. (2009). "Stableperi-Xanthenoxanthene Thin-Film Transistors with Efficient Carrier Injection". Chemistry of Materials. 21 (3): 552–556. doi:10.1021/cm802826m.