pantolactone noun1 •The lactone of 2,4-dihidroxy 3,3-dimethyl butanoic acid that is related to pantothenic acidAldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich Rhodium(II) octanoate catalyzed decomposition of (R)-pantolactone derivative 13a in the presence of alkenes resulted in cyclopropanation with up to 97% de.
