Tetrahedron Letters p. 6139 - 6142 (1991)
Update date:2022-07-30
Topics:
Mori, Miwako
Kaneta, Naotake
Isono, Naoshiro
Shibasaki, Masakatsu
Metal free stannyl anion generated from Bu3SnSiMe3 and R4NX in DMF reacted with an aryl or vinyl halide to produce the aryl or vinyl anion via so-called halogen-metal exchange process, which reacted with internal carbonyl group to afford cyclized product in good yield. Key Words: Bu3NSnSiMe3, Bu3Sn(1-)*R4N(1+), Metal free stannyl anion, Cyclization, Aryl or Vinyl anion
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