Synthesis

Synthese und Eigenschaften von o-hydroxyphenyl-und o-acetylaminophenyl-substituierten Cyclopropenonen. Eine neuartige thermische Umwandlung …

T Eicher, V Schneider

Index: Eicher, Theophil; Schneider, Volker Synthesis, 1989 , # 5 p. 372 - 378

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Citation Number: 8

Abstract

The nrzlm-functionalizcd 'arylphenylcyclopropenones 3 are preparcd via thc West method und their spectrixscupic anti chcmical propcrties arc reported. Thc «syclopixuacnorics 3 undergo Ihcrmal transformatioii to givc heterocycles 7, 8, I2. tilwtticticlnically they decarbtmylated to givc alkynes 9 as main taroducts.'I 'he structurcs of the hetcroeyclcs 7, 8. 12 arc proven by mcans nl 'spectrtvsctipic data und by indcpcndent synthesis. A ...

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A General Palladium??Catalyzed Carbonylative Synthesis of Chromenones from Salicylic Aldehydes and Benzyl Chlorides

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