chapter
1 Pages

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FouroftheketonesusedtoconstructthedihydrobenzopyrancorepossessedaNBoc-protectedamine.Thesefourresinpools(7-10)werecombinedtogiveresinbatch B,andthenre-dividedintoforty-oneequalportions.Oneresinbatchwasretained(11), whiletheremainingfortyweresubjectedtoderivatizationwithfortydifferentreagents afterremovaloftheN-Bocprotectinggroup.