Direct Synthesis of β-Mannans. A Hexameric [→3)-β-<scp>d</scp>-Man-(1→4)-β-<scp>d</scp>-Man-(1]<sub>3</sub> Subunit of the Antigenic Polysaccharides from <i>Leptospira </i><i>b</i><i>iflexa</i> and the Octameric (1→2)-Linked β-<scp>d</scp>-Mannan of the <i>Candida a</i><i>lbicans</i> Phospholipomannan. X-ray Crystal Structure of a Protected TetramerDavid Crich, Arnold L. Rheingold, Roger D. Sommer et al.|Journal of the American Chemical Society|2001Cited by 72