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Electrophile (H+, Me+)-mediated carbon-carbon bond formation between eta(3)-allyl and alkynyl groups coordinated to "Cp*Ir"

Authors
Chin, CSMaeng, WChong, DWon, GLee, BPark, YJShin, JM
Issue Date
24-May-1999
Publisher
AMER CHEMICAL SOC
Citation
ORGANOMETALLICS, v.18, no.11, pp.2210 - 2215
Journal Title
ORGANOMETALLICS
Volume
18
Number
11
Start Page
2210
End Page
2215
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/16840
DOI
10.1021/om9900770
ISSN
0276-7333
Abstract
eta(3)-Allyliridium(III) complexes Cp*Ir(eta(3)-CHPhCHCH2)(-C=C-t-Bu) (2), Cp*Ir(eta(3)-CHPhCHCH-CH=CH(t-Bu))Cl (3H), Cp*Ir(eta(3)-CHPhCHCH-CH=CMe(t-Bu))I (3Me), [Cp*Ir(eta(3)-CHPhCHCH-CH=CMe(t-Bu))(NCMe)(+) (4), and Cp*Ir(eta(3)-CHPhCHCH-CH=CMe(t-Bu))(-C=C-t-Bu') (5) have been prepared from the reactions of [Cp*Ir(eta(3)-CHPhCHCH2)(NCMe)(+) (1) with H-C=C-t-Bu tin the presence of NEt3), HCl, and Mel. The crystal structures of 2 and 5 have been determined by X-ray diffraction data analyses. Reactions of 3 and 5 with HCl produce trans,trans-1,3-pentadienes, PhCH=CHCH=CHCH2(t-Bu) (6H) and PhCH=CHCH=CHCHMe(t-Bu) (6Me), and cis,trans,trans-1,3,5-heptatriene, (t-Bu')CH=CHC(Ph)=CHCH=CHCHMe(t-Bu) (8), respectively.
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