Gw. Gribble et Ra. Silva, SYNTHESIS OF A MEXICAN BEAN BEETLE AZAMACROLIDE ALLOMONE VIA A NOVEL LACTAM TO LACTONE RING EXPANSION, Tetrahedron letters, 37(13), 1996, pp. 2145-2148
The Mexican bean beetle (Epilachna varivestis) defensive secretion aza
macrolide 1 has been synthesized via the novel ring expansion of N-hyd
roxyethyl lactam 12, which was prepared in seven steps from cyclooctan
one (6).