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A Tandem Reaction of Benzyne with Functionalized Benzylidenephthalan To Afford Phenanthro[10,1-bc]furan

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posted on 07.02.2014, 00:00 by Hai Xiao Siyang, Xu Rui Wu, Hui Ling Liu, Xin Yan Wu, Pei Nian Liu
A tandem reaction of benzyne with functionalized benzylidenephthalan for the synthesis of a variety of phenanthro­[10,1-bc]­furans has been achieved for the first time in moderate to good yields. The reaction mechanism involves a Diels–Alder reaction and an intermolecular nucleophilic addition reaction as the key steps.