Transformation of uronic acids catalysed by boron trifluoride etherate. Synthesis of 4-O—acetyl-1,2-O-isopropylidene-3-O-toluene-p-sulphonyl-α-d-xylopyranurono-5,1-lactone
Transformation of uronic acids catalysed by boron trifluoride etherate. Synthesis of 4-O—acetyl-1,2-O-isopropylidene-3-O-toluene-p-sulphonyl-α-d-xylopyranurono-5,1-lactone