Highly stereoselective synthesis of (Z)- and (E)-chloro-substituted-α-methylene-γ-butyrolactone by possibly controlling cis- and trans-chloropalladation.
Yi Dong, Xiaoyong Guo, Yuanyuan Yu, Gang Liu
Index: Mol. Divers. 17(1) , 1-7, (2013)
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Abstract
A palladium-catalyzed selective synthesis of cis- or trans-chloro-substituted-α-methylene-γ-butyrolactones from single substrate (propiolic acid) has been realized by controlling cis- or trans-chloropalladation. This method is highly effective for building C-Cl, C-O, and C-C bonds into a one-pot procedure because of its good atom and step efficiency.
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