2,2-Dimethoxypropane → (2,2-Dimethyl-1,3-dioxan-5-yl)methanol

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Reaction Steps

Triol 17-1 (1 eq.) was dissolved in DMF at a concentration of approximately 0.5 M and 2,2-dimethoxypropane (1.16 eq.) and p-toluenesulfonic acid monohydrate (0.03 eq.) were added. The solution was stirred for one or more days, and was quenched with TEA (0.5 eq.). As much solvent as possible was removed in vacuo and 17-2 was purified by distillation under vacuum.

Provenance & Evidence