Tetrahedron Letters p. 3583 - 3586 (1982)
Update date:2022-07-29
Topics:
Fujisawa, Tamotsu
Sato, Toshio
Kawashima, Masatoshi
Naruse, Kouichi
Tamai, Kouichi
γ-Vinyl-γ-butyrolactone and δ-vinyl-δ-valerolactone react regio- and stereoselectively with Grignard reagents in the presence of a copper(I) catalyst or with diorganocuprates to afford (E)-4- and (E)-5-alkenoic acids, respectively, in high yields.Synthetic utility of the former reaction is demonstrated in the simple synthesis of (4E,7Z)-4,7-tridecadienyl acetate.
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