Gj. Boons et al., 2 NEW ROUTES TO THE C19-C26 TETRAHYDROFURAN FRAGMENT OF THE ACYL TETRONIC ACID IONOPHORE TETRONASIN (ICI M139603), Tetrahedron letters, 35(2), 1994, pp. 319-322
Two highly efficient and complementary synthetic routes to the C19-C26
tetrahydrofuran fragment (2) of the novel acyltetronic acid ionophore
antibiotic tetronasin (ICI 139603) (1) are described to provide multi
gramme quantities of the required product.