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dc.contributor.authorChern, JHen_US
dc.contributor.authorWu, HJen_US
dc.date.accessioned2014-12-08T15:49:05Z-
dc.date.available2014-12-08T15:49:05Z-
dc.date.issued1998-05-28en_US
dc.identifier.issn0040-4020en_US
dc.identifier.urihttp://dx.doi.org/10.1016/S0040-4020(98)00277-4en_US
dc.identifier.urihttp://hdl.handle.net/11536/32612-
dc.description.abstractAn one-pot conversion of tetraacetal tetraoxa-cages la-e to aza-cages 2a-e mediated by iodotrimethylsilane in alkyl nitriles at 25 degrees C via the ring expansion compound 9 as the reaction intermediate was discovered. A Ritter-type reaction was proposed for the mechanism of this conversion. On the other hand, reaction of tetraacetal tetraoxa-cages 1 with Me3SiCl and NaI in nitriles at 25 degrees C gave the amido-cages 12. Conjugated nitriles and Lewis acids, such as TiCl4 or BF3 . OEt2 were found to be ineffective for the conversion of era-cages to aza-cages. The structures of 2a and chemical transformation product 16 were proven by X-ray analysis. (C) 1998 Elsevier Science Ltd. All rights reserved.en_US
dc.language.isoen_USen_US
dc.titleChemical transformation of tetraacetal tetraoxa-cages to aza-cages and amido-cages mediated by iodotrimethylsilane and the combination of chlorotrimethylsilane and sodium iodide in nitrilesen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/S0040-4020(98)00277-4en_US
dc.identifier.journalTETRAHEDRONen_US
dc.citation.volume54en_US
dc.citation.issue22en_US
dc.citation.spage5967en_US
dc.citation.epage5982en_US
dc.contributor.department應用化學系zh_TW
dc.contributor.departmentDepartment of Applied Chemistryen_US
dc.identifier.wosnumberWOS:000073579100015-
dc.citation.woscount11-
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