Reactions of 4-Oxoalkanoic Acids, 4. Syn
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Wedler, Christine ;Schick, Hans ;Scharfenberg-Pfeiffer, Doris ;Reck, Gรผnter
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Article
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1992
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John Wiley and Sons
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English
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## Abstract Ethyl 4โoxoalkanoates 1 react at ambient temperature in dry methanol in the presence of molecular sieve 3 ร in almost quantitative yield with 3โaminopropanol and 2โaminoethanol to form the bicyclic lactams __rac__โ2 and __rac__โ3, respectively. Surprisingly, the (ยฑ)โ5โalkylโ4โoxaโ1โazab