Tetrahedron Letters p. 3791 - 3794 (1992)
Update date:2022-08-05
Topics:
Somfai
Ahman
A short and enantioselective total synthesis of the neurotoxic alkaloid (+)-Anatoxin-a (1) from the L-pyroglutamic acid derivative 2 is described. The key step involves an intramolecular cyclisation of an N-tosyl iminium ion derived from the corresponding α-methoxy sulfonamide.
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