Journal of the Chemical Society. Chemical communications p. 894 - 896 (1986)
Update date:2022-08-05
Topics:
Guerchais, Veronigue
Lapinte, Claude
The methoxymethyl complex (η5-C5Me5)Fe(CO)2(CH2OMe) (2) undergoes hydride abstraction with Ph3C(1+)PF6(1-) at -80 deg C and affords the secondary methoxycarbene complex <(η5-C5Me5)Fe(CO)2(=CHOMe)>(1+)PF6(1-) (1) as a mixture of two geometric isomers of which the syn form isomerizes upon warming; complex (1) adds PPh3 yielding quantitatively <(η5-C5Me5)Fe(CO)2(CHOMePPh3)>(1+)PF6(1-) (3), and converts Me2PhSiH into Me2PhSiCH2OMe (4), giving in the presence of the appropriate alkenes, the alkene complexes <(η5-C5Me5)Fe(CO)2(CH2=CHR)>(1+)PF6(1-) (5).
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