N. Hussain et al., A CONVENIENT AND CONCISE SYNTHESIS OF A KEY LACTONE INTERMEDIATE IN MILBEMYCIN CHEMISTRY, Tetrahedron letters, 35(41), 1994, pp. 7665-7668
A short, convenient and inexpensive synthesis of lactone (3) from milb
emycin (1) is described. This lactone is a key intermediate in the syn
thesis of milbemycins.