ORGLIST: how to get p-methoxy cinnamaldehyde (E)

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From: sen yan (townhousenw4$##$yahoo.com)
Date: Sat Apr 02 2005 - 20:41:34 EST


hi all,
i have reaction problem that starting material
p-ansialdehyde(CH3OC6H4CHO), vinyl acetate and
Ba(OH)2 in THF refluxed 10 hours following the
paper which was published on SYNLETT 2000, 9:
1345-347.i did not get product (CH3O-C6H4-CH=CH-CHO)
from TLC and HPLC. i just wonder Ba(OH)2 is
anhydrous or not? i used Ba(OH)2.8H2O.Anybody
did similar experiment? any information about
this reaction and the product will be appreicated.
thank you in advance,
junhua

                
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