Tetrahedron Letters p. 2315 - 2318 (1990)
Update date:2022-08-04
Topics:
Takano
Suzuki
Kijima
Ogasawara
Exclusive 1,6-cyclization occurred to afford isoquinoline frameworks when the enamide and the enamine substrates bearing exo-olefin moiety were treated with tri-n-butyltin hydride in the presence of radical initiator (9a, b → 12a, b; 13a, b → 18a, b), respectively. On the other hand, competitive 1,6- and 1,5-cyclization occurred to give a mixture of isoquinolone and isoindolone frameworks when the enamide substrates bearing endo-olefin moiety were treated under the same conditions (22a, b → 26a, b and 27a, b).
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Doi:10.1016/S0040-4039(00)98794-X
(1990)Doi:10.1021/ja111005r
(2011)Doi:10.1002/ejic.201001051
(2011)Doi:10.1039/c8ob00238j
(2018)Doi:10.1021/jo00311a012
(1990)Doi:10.1002/ardp.19903230604
(1990)