2,2-Dimethoxypropane → HCID 86588954, compound

Participants

Reaction Steps

6.73 g (47 mmol) of 5-hydroxy-2,2-dimethyl-3(S)-hydroxy-pentane-nitrile of the title compound of Example 1d is dissolved in 27 ml of acetone dimethylketal, and 546 mg of camphor-10-sulfonic acid is added. It is heated for 15 hours to 50° C. It is evaporated to the dry state in a vacuum. The residue is taken up in 200 ml of methylene chloride and washed with saturated sodium bicarbonate solution and then with saturated sodium chloride solution. The organic phase is dried on sodium sulfate and evaporated to the dry state in a vacuum. The oil that is obtained crystallizes while standing.

Provenance & Evidence