Methoxyethoxymethyl ethers (MEM) and methoxymethyl ethers (MOM) of allylic alcohols are readily cleaved by pyridinium paratoluenesulfonate (PPTS) in 2-butanone or t-butyl alcohol. This procedure is also efficient for deprotection of benzylic and aliphatic alcohols.
No takes yet. Share an insight, caveat, or question.
Monti et al. (1983) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: