Journal of the American Chemical Society p. 2105 - 2114 (1984)
Update date:2022-08-05
Topics:
Magnus, Philip
Gallagher, Timothy
Brown, Peter
Huffman, John C.
The total synthesis of the heptacyclic indole alkaloids (+/-)-10,22-dioxokopsane (2) and (+/-)-kopsanone (3, X=O) is described.The imine 20 was condensed with β,β,β-trichloroethyl chloroformate to give the tetracyclic carbamate 21.Removal of the carbamate
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