Formation and Reactions of Alkylzinc Reagents in Room-Temperature Ionic Liquids

The presence of a suitable amount of bromide or chloride ions was found to be critical in forming the alkylzinc reagents from alkyl iodides and zinc metal in the room-temperature ionic liquid, N-butylpyridinium tetrafluoroborate. β-Hydride transfer in the reactions of butylzinc reagents with aldehyd...

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Veröffentlicht in:	Journal of organic chemistry 2005-12, Vol.70 (25), p.10434-10439
Hauptverfasser:	Law, Man Chun, Wong, Kwok-Yin, Chan, Tak Hang
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Exact sciences and technology Indicators and Reagents Ions Kinetics and mechanisms Organic chemistry Organometallic Compounds - chemical synthesis Organometallic Compounds - chemistry Reactivity and mechanisms Temperature Zinc - chemistry
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Beschreibung
Zusammenfassung:	The presence of a suitable amount of bromide or chloride ions was found to be critical in forming the alkylzinc reagents from alkyl iodides and zinc metal in the room-temperature ionic liquid, N-butylpyridinium tetrafluoroborate. β-Hydride transfer in the reactions of butylzinc reagents with aldehydes can also be reduced by a bromide ion.
ISSN:	0022-3263 1520-6904
DOI:	10.1021/jo051772m