Synlett p. 568 - 570 (1997)
Update date:2022-07-30
Topics:
Kitajima, Hiroshi
Katsuki, Tsutomu
Lewis acid promoted Michael addition of 2-(trimethylsilyloxy)furan to 3-[(E)-2-butenoyl]-1,3-oxazolidin-2-one (2) was examined. A 1:1 complex prepared from scandium triflate and 3,3′-bis(diethylaminomethyl)-1,1′-bi-2- naphthol 5b in situ showed excellent anti-selectivity and moderate enantioselectivity, while Cu(II)-bis(oxazolines) complex exhibited excellent enantioselectivity and moderate to good anti-selectivity.
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Doi:10.1016/j.tet.2017.06.043
(2017)Doi:10.1002/hlca.19970800809
(1997)Doi:10.1055/s-1998-4480
(1998)Doi:10.1016/s0022-328x(97)00488-9
(1997)Doi:10.1016/0040-4020(82)80067-7
(1982)Doi:10.1016/S0223-5234(97)82771-7
(1997)
