Reactions of Levulinic Acid with Norborn
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Géza Stájer; Angela E. Szabó; Antal Csámpai; Pál Sohár
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Article
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2004
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John Wiley and Sons
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English
⚖ 126 KB
👁 1 views
## Abstract Whereas the cyclizations of di‐__endo__‐3‐aminobicyclo[2.2.1]heptane‐2‐carboxylic acid (**2**) and di‐__endo__‐3‐aminobicyclo[2.2.1]hept‐5‐ene‐2‐carboxylic acid (**3**) with 4‐oxopentanoic acid (**1**) yield methanodioxopyrrolo[1,2‐__a__][3,1]benzoxazines **6** and **7**, the di‐__exo__