COUPLING METHOD BETWEEN INTRAMOLECULAR CARBON IN UNSATURATED HYDROCARBON COMPOUND USING ORGANO-INDIUM COMPOUND AS COUPLING AGENT
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United States of America Patent
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Issued Date -
Jun 26, 2008
app pub date -
Jul 17, 2007
filing date -
Dec 20, 2006
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Abandoned
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Abstract
The present invention relates to a coupling method between intramolecular carbon using the intramolecular cyclization reaction in situ of an allyl-indium compound derived from an allyl derivative containing an unsaturated hydrocarbon compound and indium, in presence of a transition metal compound catalyst. More particularly, the present invention relates to a coupling method between intramolecular carbon for preparing a cyclic compound having a vinyl group as a substituent by bonding a carbon in an allyl derivative containing an unsaturated hydrocarbon compound and a carbon in the unsaturated hydrocarbon compound via intramolecular cyclization reaction in situ of an allyl-indium compound as a coupling agent derived from the allyl derivative containing the unsaturated hydrocarbon and indium (In), in presence of a palladium catalyst.
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