Inter- and intramolecular hetero diels-a
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Tietze, Lutz F. ;Utecht, Jens
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Article
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1992
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Wiley (John Wiley & Sons)
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English
⚖ 542 KB
Azabutadienes f Isoxazoles f Tetrahydropyridines 1 Diels-Alder reactions / Sequential transformations Condensation of aldehydes 1 ae with 5-amino-3-methylisoxazole (4) gives the corresponding imines 5a-e with a 2-aza-1,3-butadiene moiety, which cyclize selctively, e.g. 5a to form the trans-fused tet