Indoles, IV 9-Substituted 4,9-Dihydropyr
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Adel A. El-Gendy; Jochen Lehmann
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Article
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1987
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John Wiley and Sons
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English
⚖ 326 KB
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Eingegangen am 31. Oktober 1986 Pyrano[ 3,4-blindolones 3a-d are available from a-ethoxyalyllactones la, c and disubstituted hydrazines 2a, b without isolation of intermediates. In a two-phase system, however, the intermediate hydrazones 4a, c can be isolated. Conversion of 3a-d into P-carbolines wa