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For reports on the alkenylalane addition to activated carbonyl compounds and imines, see: (a) Ramachandran, P. V.; Reddy, M. V. R.; Rudd, M. T. Tetrahedron Lett. 1999, 40, 627. (b) Wipf, P.; Nunes, R. L.; Ribe, S. Helv. Chim. Acta 2002, 85, 3478.
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0141777588
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note
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2 (19:1, hexanes/EtOAc) to give 8 (0.14 g, 93%) as a colorless oil.
-
-
-
-
40
-
-
0141665684
-
-
note
-
Nonactivated ketones react only sluggishly under these reaction conditions.
-
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42
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37049100596
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0141554207
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note
-
Oxazolidinone 41 was alkylated with hexyl triflate at -78°C followed by saponification with NaOMe/MeOH to give (+)-40.
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