Face selectivity of the Diels-Alder addi
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Lieven Meerpoel; Maria-Miranda Vrahami; Brigitte Deguin; Pierre Vogel
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Article
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1994
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John Wiley and Sons
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German
⚖ 877 KB
## one (25) and their ethylene acetals 24 and 26, respectively, were derived from the Diels-Alder adduct of furan to I-cyanovinyl acetate (27). The Diels-Alder additions of 26 to dimethyl acetylenedicarboxylate, to methyl propynoate, to N-phenylmaleimide, and to methyl acrylate were highly exo-fac