Cross coupling of 2-bromo-1-phenyl indenes with phenyl acetylenes and other substituted acetylenes in water
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United States of America Patent
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Apr 3, 2018
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Oct 24, 2012
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Oct 24, 2012
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Abstract
The cross-coupling reaction of 2-bromo-1-phenyl indenes with phenyl acetylenes or propargyl alcohol is disclosed. The cross-coupling reaction uses a palladium catalyst with triphenylphosphine in the absence of a copper co-catalyst. The reaction is carried out with pyrrolidine as the base in water at 120° C.
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