Process for the preparation of benzyl-metal compounds and process for the preparation of 4-phenyl-1-butenes by the use of the same
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United States of America Patent
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Feb 15, 2000
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N/A
app pub date -
Jan 30, 1998
filing date -
May 30, 1996
priority date (Note) -
Expired
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Abstract
There is disclosed a method of preparing benzyl metal compounds represented by general formula (2), comprising reacting a phenyl metal compound represented by general formula (1) with toluene, in the presence of a catalytic amount of amine. According to this method, benzyl metal compounds can be prepared at a high yield, and in an industrially advantageous manner. Further, there is also disclosed a method of preparing 4-phenyl-1-butenes, comprising reacting the benzyl metal compound obtained in the method, with an allyl halide. ##STR1## wherein M represents an alkali metal, ##STR2## wherein M has the same meaning as the above.
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