Tetrahedron Letters p. 4765 - 4768 (1990)
Update date:2022-09-26
Topics:
Shim
Hwang
Kang
Chang
Samarium(II) iodide mediated intramolecular reductive coupling of carbonyl groups and alkynes in the presence of HMPA and t-BuOH was successfully performed to provide cyclized products. Some cyclic compounds containing a heteroatom such as oxygen or nitrogen were also efficiently prepared by this coupling reaction.
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