PREPARATION OF ALLYL 2,3,4-TRI-O-ALLYL-D-GLUCOPYRANURONATE AND OF 1-O-ACYL-D-GLUCOPYRANURONIC ACIDS: ATTEMPTED SYNTHESIS OF 1-O-BILIRUBIN-D-GLUCURONIC ACIDS

Article abstract of DOI:10.1016/S0008-6215(00)85896-6

Allyl 2,3,4-tri-O-allyl-D-glucopyranuronate (7) has been prepared (overall yield, 37percent) from methyl 1,2,3,4-tetra-O-acetyl-α- or -β-D-glucopyranuronate via a six-step reaction procedure. 1-O-Acetyl-, 1-O-methacroyl-, and 1-O-phenylacetyl-αβ-D-glucopy