Prepn by acid hydrolysis of 3-hydroxy-3-methyl-5,5-dimethoxypentanoic
acid: Shunk et al.,J. Am. Chem.
Soc.79, 3294 (1957). Exists in equilibrium
with β,δ-dihydroxy-β-methyl-δ-valerolactone.
Properties
Unstable and reactive compd. Isolated in soln
only.