Useful reactions of silylated propargyltungsten or propargylmolybdenum species

Angewandte Chemie - International Edition

Volumn 45, Issue 41, 2006, Pages 6874-6877

  Asakura, Toshimichi ^a   Kojima, Takuto ^a   Miura, Tomoya ^a,b   Iwasawa, Nobuharu ^a  

^a TOKYO INSTITUTE OF TECHNOLOGY   (Japan)

^b KYOTO UNIVERSITY   (Japan)

Author keywords

Carbene complexes; Molybdenum; Silicon; Transition metals; Tungsten

Indexed keywords

ALDEHYDES; MOLYBDENUM COMPOUNDS; REACTION KINETICS; SILANES; SILICON; TRANSITION METALS; TUNGSTEN COMPOUNDS;

CARBENE COMPLEXES; ELECTROPHILES; PROPARGYLTUNGSTEN;

ORGANOMETALLICS;

EID: 33750490755     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200602188     Document Type: Article

References (23)

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19. 13C at the terminal carbon atom. After addition of (Chemical Equation Presented) PhCHO, formation of a dienyltungsten intermediate 7′ and a dihydrofuranyltungsten intermediate 14 were observed at -78°C. Further details will be reported in due course.
20. It is possible that an anionic pentacoordinate silicate intermediate is generated for species 5, in which the formation of dihydrofuran intermediate may be suppressed (Scheme 2). We would like to thank one of the referees for suggesting this possibility.
21. 2 and electrophiles with lower activity, such as α,β-unsaturated carbonyl compounds, the use of the molybdenum complex gave better results.
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