Substituted saccharide compounds and dental compositions

A substituted saccharide compound having the general formula

• wherein R1 is a hydrophobic group;
• R4 is independently hydrogen, an acidic group, or -L-R2 wherein L is a linking group and R2 is a free-radically polymerizable group with the proviso that at least one R4 is -L-R2;
• R5 is hydrogen or a C1-C4 alkyl group;
• and
• and n is an integer ranging from 1 to 4.

A substituted saccharide compound having the general formula

• wherein
• one of R6-R10 is
• wherein R5 is hydrogen or a C1-C4 alkyl group and R1 is a hydrophobic group;
• at least one of R6-R10 is O-L-R2, wherein O is oxygen, L is a linking group, and R2 is a free-radically polymerizable group;
• and
• the remaining R6-R10 are OH or an acidic group.