Tetrahedron Letters p. 955 - 958 (1983)
Update date:2022-08-02
Topics:
Ben-Ishai, D.
Hirsch, S.
Amidoalkylation of 1,3-dienes with the adduct of glyoxylic acid-methyl carbamate (1) afforded α-acylamino-γ-alkenyl-γ-butyrolactones (e.g. 2, 6-9) in 40-80 percent yield and the pipecolic acid derivatives (e.g. 3) in less then 20 percent yield.An explanation is suggested to account for the above results.
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