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|Title:||One-pot synthesis of coumarin substituted dihydrofurans|
|Authors:||Chunduru, Venkata Sreenivasa Rao|
Vedula, Rajeswar Rao
|Keywords:||3-(2-Bromoacetyl)coumarins;Trans-2,3-dihydrofurans;Pyridinum ylides;One-pot reaction|
|Abstract:||A sequential one-pot two-step tandem reaction for an efficient synthesis of 2,3-dihydrofurans substituted with 2H-benzopyrans has been developed. One-pot reaction of in situ formed benzopyran substituted pyridinium ylides with aromatic aldehydes and dimedone gives corresponding 2,3-dihydrofurans in good yields. The structures of the final compounds have been assigned as trans-2,3-dihydrofurans on the basis of their NMR spectra.|
|Appears in Collections:||IJC-B Vol.51B(09) [September 2012]|
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