Oxazepine

Oxazepines are a family of unsaturated heterocycles containing seven atoms, with a nitrogen replacing a carbon at one position and with an oxygen replacing a carbon at one position.^[1][2][3]

1,2-Oxazepine

1,2-Oxazepine, one of the isomers of oxazepine
Names
IUPAC name 1,2-Oxazepine
Identifiers
CAS Number	1,2-: 291-79-2 Y 1,4-: 292-10-4
3D model (JSmol)	1,2-: Interactive image 1,4-: Interactive image
ChemSpider	1,2-: 11418660 Y
PubChem CID	1,2-: 13781592 1,4-: 17860191
InChI InChI=1S/C5H5NO/c1-2-4-6-7-5-3-1/h1-5H Y Key: SFJGCXYXEFWEBK-UHFFFAOYSA-N Y 1,2-: InChI=1S/C5H5NO/c1-2-4-6-7-5-3-1/h1-5H Key: SFJGCXYXEFWEBK-UHFFFAOYSA-N 1,4-: InChI=1S/C5H5NO/c1-2-6-3-5-7-4-1/h1-5H Key: WXLCDTBTIVJDCE-UHFFFAOYSA-N
SMILES 1,2-: C1=CC=NOC=C1 1,4-: C1=COC=CN=C1
Properties
Chemical formula	C5H7NO
Molar mass	97.117 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

See also

• Azepine
• Benzazepines
• Diazepine
• Oxepin
• Borepin
• CR gas (dibenzoxazepine)

References

1. Katritzky, A. R.; Ramsden, C. A.; Scriven, E. F. V.; Taylor, R. J. K. (2008-01-01), Katritzky, Alan R.; Ramsden, Christopher A.; Scriven, Eric F. V.; Taylor, Richard J. K. (eds.), "Introduction", Comprehensive Heterocyclic Chemistry III, Oxford: Elsevier, pp. xxi–xxix, ISBN 978-0-08-044992-0, retrieved 2023-01-05
2. "Heterocyclic Chemistry". Michigan State University. Retrieved 2023-01-05.
3. Glinka, R.; Kotelko, B. (1975). "[Synthesis of new 7-, 8- and 9-membered heterocyclic compounds with oxygen and nitrogen as heteroatoms. I. Synthesis of new derivatives of hexahydro-1,4,5-oxadiazepine]". Acta Poloniae Pharmaceutica. 32 (5): 525–532. ISSN 0001-6837. PMID 1199753.