Fig. 4: Synthesis of A. baumannii Lipid A(s) and MonoP Derivatives.

A Preparation of penta-lipidated disaccharide 32 and hexa-lipidated disaccharide 33. B Synthesis of A. baumannii lipid A(s) 2, 3, and monoP derivative 3′ from disaccharide 32 and 33. C Preparation of penta-lipidated disaccharide 38.