Process for the preparation of certain substituted aromatic compounds
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United States of America Patent
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Jan 1, 1991
Issued Date -
N/A
app pub date -
May 1, 1989
filing date -
Dec 18, 1987
priority date (Note) -
Expired
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Abstract
The present invention involves process for the preparation of compounds having the chemical structure: ##STR1## wherein Ar--H is an aromatic compound which is activated to an electrophilic attack, and wherein --Y is an aliphatic group having a labile moiety, especially where the labile moiety is a terminally unsaturated moiety: --C.tbd.CH, ##STR2## or aldehydes in the form of their acetals. The process comprises the step of reacting Ar--H and ##STR3## wherein --X is --Cl or --Br, and where the reaction step is carried out in a solvent medium at a temperature of from about -40.degree. C. to about -100.degree. C. using stannic chloride as a catalyst.
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