Benzoxepin

Benzoxepin
	; 1-Benzoxepin
	; 2-Benzoxepin
	; 3-Benzoxepin
Identifiers
CAS Number	1-: 213-22-9; 2-: 264-25-5; 3-: 264-13-1;
3D model (JSmol)	1-: Interactive image; 2-: Interactive image; 3-: Interactive image;
ChemSpider	1-: 10289216; 3-: 2892804;
PubChem CID	1-: 12254036; 2-: 20256803; 3-: 3659427;
CompTox Dashboard (EPA)	2-: DTXSID90604213;
	InChI 1-: InChI=1S/C10H8O/c1-2-7-10-9(5-1)6-3-4-8-11-10/h1-8H Key: LWZYUACNWRVDDJ-UHFFFAOYSA-N; 2-: InChI=1S/C10H8O/c1-2-5-10-8-11-7-3-6-9(10)4-1/h1-8H Key: GXFIQHWKGLBSLN-UHFFFAOYSA-N; 3-: InChI=1S/C10H8O/c1-2-4-10-6-8-11-7-5-9(10)3-1/h1-8H Key: APSZPCTXHHKIQO-UHFFFAOYSA-N;
	SMILES 1-: c1ccc2c(c1)C=CC=CO2; 2-: C1=CC2=CC=COC=C2C=C1; 3-: C1=CC=C2C=COC=CC2=C1;
Related compounds
Other anions	benzazepine
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Benzoxepin is an oxygen-containing bicyclic molecule consisting of an oxepin ring and a benzene ring. There are three isomers, varying in where the oxygen is positioned in the oxepin heterocycle relative where the benzene is fused to it.

Natural occurrence[edit]

1-Benzoxepin, with the oxygen closest to the benzene, is found in the skeleton of several fungal metabolites.^[1]

2-Benzoxepin skeletons are likewise found in fungal metabolites.^[2]

Structural formulas of perilloxin, tenual und tenucarb

3-Benzoxepin, with the oxygen furthest from the benzene, is the core of natural products such as perilloxin from Perilla frutescens (variant Acuta)^[3] and tenual and tenucarb from Asphodeline tenuior.^[4]

References[edit]

^ Wijnberg, Joannes B. R A.; van Veldhuizen, Albertus; Swarts, Henk J.; Frankland, Juliet C.; Field, Jim A. (1999). "Novel monochlorinated metabolites with a 1-benzoxepin skeleton from Mycena galopus". Tetrahedron Letters. 40: 5767–5770. doi:10.1016/S0040-4039(99)01074-6.
^ Lee, In-Kyoung; Jang, Yun-Woo; Kim, Young-Sook; Yu, Seung Hun; Lee, Kui Jae; Park, Seung-Moon; Oh, Byung-Taek; Chae, Jong-Chan; Yun, Bong-Sik (2009). "Xylarinols A and B, two new 2-benzoxepin derivatives from the fruiting bodies of Xylaria polymorpha". Journal of Antibiotics. 62 (3): 163–165. doi:10.1038/ja.2008.20.
^ J. Liu; A. Steigel; E. Reininger; R. Bauer (2000), "Two New Prenylated 3-Benzoxepin Derivatives as Cyclooxygenase Inhibitors from Perilla frutescens var. acuta", J. Nat. Prod., 63 (3): 403–405, doi:10.1021/np990362o
^ A. Ulubelen; E. Tuzlaci; N. Atilan (1989), "Oxepine derivatives and anthraquinones from Asphodeline tenuior and A. Taurica", Phytochemistry, 28 (2): 649–650, doi:10.1016/0031-9422(89)80076-7

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[1] Wijnberg, Joannes B. R A.; van Veldhuizen, Albertus; Swarts, Henk J.; Frankland, Juliet C.; Field, Jim A. (1999). "Novel monochlorinated metabolites with a 1-benzoxepin skeleton from Mycena galopus". Tetrahedron Letters. 40: 5767–5770. doi:10.1016/S0040-4039(99)01074-6.

[2] Lee, In-Kyoung; Jang, Yun-Woo; Kim, Young-Sook; Yu, Seung Hun; Lee, Kui Jae; Park, Seung-Moon; Oh, Byung-Taek; Chae, Jong-Chan; Yun, Bong-Sik (2009). "Xylarinols A and B, two new 2-benzoxepin derivatives from the fruiting bodies of Xylaria polymorpha". Journal of Antibiotics. 62 (3): 163–165. doi:10.1038/ja.2008.20.

[3] J. Liu; A. Steigel; E. Reininger; R. Bauer (2000), "Two New Prenylated 3-Benzoxepin Derivatives as Cyclooxygenase Inhibitors from Perilla frutescens var. acuta", J. Nat. Prod., 63 (3): 403–405, doi:10.1021/np990362o

[4] A. Ulubelen; E. Tuzlaci; N. Atilan (1989), "Oxepine derivatives and anthraquinones from Asphodeline tenuior and A. Taurica", Phytochemistry, 28 (2): 649–650, doi:10.1016/0031-9422(89)80076-7

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