Reactivity‐Based One‐Pot Synthesis of Oligomannoses: Defining Antigens Recognized by 2G12, a Broadly Neutralizing Anti‐HIV‐1 Antibody

An HIV-1 vaccine may eventually be developed from oligomannoses synthesized by a reactivity-based one-pot self-condensation strategy. The compounds were tested for their ability to inhibit the binding of gp120 to the broadly neutralizing HIV-1 antibody 2G12. New epitope mimics (see structure for example) were identified that inhibit this binding as well as, or better than the natural epitope Man9GlcNAc2 (Man=mannose, Glc=glucose).