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Synthesis of Indoles via 6π-Electrocyclic Ring Closures of Trienecarbamates

✍ Scribed by Greshock, Thomas J.; Funk, Raymond L.

Book ID
121678734
Publisher
American Chemical Society
Year
2006
Tongue
English
Weight
86 KB
Volume
128
Category
Article
ISSN
0002-7863

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## Abstract We have investigated 1,5‐electrocyclic ring‐closure reactions of conjugated esters with dimethyl diazomalonate in the presence of [Cu(acac)~2~] as catalyst. Our new protocol offers an easy entry to various polyfunctionalized __γ__‐lactones in high yields. Their subsequent derivatives ma