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Please use this identifier to cite or link to this item: http://localhost:80/xmlui/handle/123456789/19561
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dc.contributor.authorSAMINA ALAM-
dc.contributor.authorZAHEER-UD-DIN BABER-
dc.contributor.authorKHAN, NAEEMA-
dc.date.accessioned2023-08-25T10:11:43Z-
dc.date.available2023-08-25T10:11:43Z-
dc.date.issued2000-12-03-
dc.identifier.citationAlam, S., Baber, Z. U. D., & Khan, N. (2000). Use of NMR and mass spectrometry in establishing the structures of ring opening products of 3-methyl-4, 1-benzoxazepine-2, 5-dione in acid and basic media. JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN, 22(4), 299-302.en_US
dc.identifier.issn0253-5106-
dc.identifier.urihttp://142.54.178.187:9060/xmlui/handle/123456789/19561-
dc.description.abstract3-Methyl-4,1-benzoxazepine-2.5-dione (I) when stirred for lr hours in methanolic solution with a few drops of 10 %. NaOH below 60 degreesC gave solid crystalline product (m.p. 100-102 degreesC, 51% yield). H-1 NMR and MS analysis confirmed structure (II) which suggest the cleavage of C-O bond but when (I) was treated with a few drops of 10% HCl under similar temperature yielded compound (III) as a liquid which gave evidence for C-N bond cleavage giving no traces of the former product (II).en_US
dc.description.sponsorshipThe chemical society of Pakistan is an approved society from the PSFen_US
dc.language.isoenen_US
dc.publisherKarachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachien_US
dc.titleUse of NMR and Mass Spectrometry in Establishing the Structures of Ring Opening products of 3- Methyl- 4,1- Benzoxazepine-2,5- Dione in Acid and Basic Mediaen_US
dc.typeArticleen_US
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