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A Divergent Synthesis of Functionalized Unsaturated δ-Lactones from α-Alkenoyl-α-carboxyl Ketene Dithioacetals

✍ Scribed by Liu, Jun; Wang, Mang; Li, Bing; Liu, Qun; Zhao, Yulong


Book ID
121081015
Publisher
American Chemical Society
Year
2007
Tongue
English
Weight
112 KB
Volume
72
Category
Article
ISSN
0022-3263

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## Abstract A preparatively useful one‐step transformation of __γ__,__γ__‐disubstituted __α__‐formyl‐__γ__‐lactones into trisubstituted __γ__,__δ__‐unsaturated aldehydes is described, by means of catalytic amounts of either AcOH or AcOEt in the vapor phase over a glass support. A mechanistic ration