Tetrahedron Letters p. 1725 - 1728 (1991)
Update date:2022-08-04
Topics:
Ishibashi
Nakamura
Sato
Takeuchi
Ikeda
Bu3SnH mediated radical cyclizations of N-vinylic α-chloroacetamides proceeded in a ''disfavored'' 5-endo-trig manner to give five-membered lactams. Some exceptions where the 4-exo cyclization predominates are also described.
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