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Zirconium bis(pyridonate): a modified amidate complex for enhanced substrate scope in aminoalkene cyclohydroamination.

TitleZirconium bis(pyridonate): a modified amidate complex for enhanced substrate scope in aminoalkene cyclohydroamination.
Publication TypeJournal Article
Year of Publication2010
AuthorsBexrud, JA, Schafer, LL
JournalDalton Transactions
Volume39
Pagination361 - 363
Date Published2010///
ISBN Number1477-9226
Keywordsaminoalkene cyclohydroamination catalyst zirconium amidate amido, crystal structure zirconium pyridonate amido, zirconium pyridonate amido prepn cyclohydroamination catalyst aminoalkene
Abstract

A new bis(amidate)zirconium bis(amido) hydroamination pre-catalyst [ZrL2(NMe2)2] using 6-tert-butyl-3-phenyl-2-pyridone as a proligand (HL) was prepd. and crystallog. characterized. This rare example of an early transition metal complex incorporating a 2-pyridonate deriv. as an ancillary ligand is an effective catalyst for the cyclohydroamination of aminoalkenes, including more challenging substrates bearing unactivated internal C:C bonds. [on SciFinder(R)]