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|Title:||Synthetic confirmation for the structure of stipulin†|
|Abstract:||A new diprenylated chalcone, stipulin 1 (5', 3-di-isopentenyl-2',4',4-trihydroxychalcone) has been characterized from the roots of Dalbergia stipulaceal. Synthesis of 8-(2,2-dimethyl-3,4-dihydro-2H-1-benzopyran-6-yl)-2,2-dimethyl-3,4,7,8- tetrahydro-2H,6H-benzo[1,2-b:5,4-b'] dipyran-6-one 3 obtained as a final product of the acid catalysed cyclisation of stipulin provided synthetic confirmation for its structure.|
|Appears in Collections:||IJC-B Vol.41B(01) [January 2002]|
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