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Aromatic aldonitrones of 2-(hydroxyamino)benzyl alcohol and their cyclic isomers. Crystal and molecular structures of a 1-hydroxy-1,2-dihydro-4H-3,1-benzoxazine, a boron chelate, and its parent nitrone ligand

TitleAromatic aldonitrones of 2-(hydroxyamino)benzyl alcohol and their cyclic isomers. Crystal and molecular structures of a 1-hydroxy-1,2-dihydro-4H-3,1-benzoxazine, a boron chelate, and its parent nitrone ligand
Publication TypeJournal Article
Year of Publication1998
AuthorsKliegel, W, Metge, J, Rettig, SJ, Trotter, J
JournalCanadian Journal of Chemistry-Revue Canadienne De Chimie
Volume76
Pagination389-399
Date PublishedApr
Type of ArticleArticle
ISBN Number0008-4042
Keywords1-benzoxazines, 1-hydroxy-2-aryl-1, 2-dihydro-4H-3, C-aryl-N-[2-(hydroxymethyl)phenyl]nitrones, COMPOUNDS, crystal structures, METABOLITES, organoboron, ORGANOBORON COMPOUNDS
Abstract

{The synthesis of a series of C-aryl-N-[2-(hydroxymethyl)phenyl]nitron 5 (that can also exist under certain conditions as isomeric 1-hydroxy-2-aryl-1,2-dihydro-4H-3,1-benzoxazines 8), via 2-(hydroxyamino)benzyl alcohol, 4, and their subsequent reactions with oxybis(diphenylborane), (Ph2B)(2)O, leading to the 5-(arylmethylene)-7,7-diphenyl-6,8-dioxa 5-azonia-7-borata-5H-6,7,8,9-tetrahydrobenzocycloheptenes 6 are described. Crystals of 1-hydroxy-2-(4-methoxyphenyl)-1,2-dihydro-4H-3,1-benzoxazine, 8b, are monoclinic

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