Tetrahedron Letters p. 323 - 326 (1994)
Update date:2022-07-29
Topics:
Boons, Geert-Jan
Lennon, Ian C.
Ley, Steven V.
Owen, Elaine S. E.
Staunton, James
Wadsworth, David J.
An approach to the total synthesis of the ionophore antibiotic tetronasin (1) is reported, in which the key step is novel base catalysed cascade cyslisation of an activated polyene (2). This establishes two rings and four stereogenic centres in one step. A related polyene (16) has been cyclised in a similar fashion, illustrating the generality of the procedure.
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