Tetrahedron Letters p. 4535 - 4538 (1993)
Update date:2022-08-30
Topics:
Kobayashi
Hachiya
Ishitani
Araki
In the presence of a catalytic amount of chiral ytterbium trifluoromethanesulfonate (triflate), acyl-1,3-oxazolidin-2-ones or methacrolein reacted with cyclopentadiene to afford the corresponding Diels-Alder adduct in high yields and with moderate to exce
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Doi:10.1021/ja01678a039
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(1972)Doi:10.1039/c7ra11236j
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