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Journal Article 
Lu, P.; Herdtweck, E.; Bach, T. 
Intramolecular 2+2 Photocycloaddition Reactions as an Entry to the 2-Oxatricyclo,9) nonan-3-one Skeleton of Lactiflorin 
Two [2+2] photocycloaddition routes were evaluated as possible ways to access the tricyclic core structure found in the terpene monoglycoside lactiflorin. While the first route via ?-substituted cyclopentenones was quickly discarded, the reactions of racemic (5R*)-3-benzyloxy-5-but-3'-enyl-4-methoxycarbonylfuran-2(5?H)-ones proceeded in high yields and with perfect diastereoselectivity. However, it turned out that the regioselectivity was strongly dependent on the substitution pattern within the...    »
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ISI Document Delivery No.: 972XZ Times Cited: 2 Cited Reference Count: 72 Lu, Ping Herdtweck, Eberhardt Bach, Thorsten Alexander von Humboldt Foundation This project was supported by the Alexander von Humboldt Foundation (research fellowship to P. L.). 2 Wiley-v c h verlag gmbh Weinheim 
Journal title:
Chemistry-an Asian Journal 
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