cis-3a-(o-Nitrophenyl) octahydroindol-4-one. building blocks for the synthesis of indole alkaloids
D Solé, J Bonjoch
Index: Sole, Daniel; Bonjoch, Josep Tetrahedron Letters, 1991 , vol. 32, # 38 p. 5183 - 5186
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Citation Number: 25
Abstract
Abstract A four-step synthesis of 3a-aryloctahydroindol-4-ones (1) in which the key step is the ozonolysis of 2-allyl-2-(o-nitrophenyl)-1, 3-cyclohexanedione (5) followed by reductive aminocyclization was been accomplished. An asymmetric synthesis of the bicyclic system 1 from chiral amines is achieved by means of this procedure.
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