Tetrahedron Letters p. 9173 - 9176 (1994)
Update date:2022-08-11
Topics:
Pearson, William H.
Lovering, Frank E.
Transmetalation of the (2-azaallyl)stannane 9 with n-BuLi produced the 2-azaallyl anion 12 which undervent an intramolecular cycloaddition with an alkene to give the perhydroindole 10 in 80percent yield as a single stereoisomer.Transformation of 10 to 6-epicrinine 2 and crinine 1 was readily accomplished.
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