Sodium borohydride → HCID 12915865, compound

Participants

Reaction Steps

1.91 g of the product obtained in Example 24 is dissolved in 30 ml of methanol, and reacted with 1.1 g of sodium borohydride under the same conditions as in Example 7 to obtain 1.62 g of a crude product. Recrystallization of the product from ethanol yields 1.3 g of 1-[2-hydroxy-2-phenyl-1-ethyl]-4-(2-keto-1-benzimidazolinyl)-piperidine.

Provenance & Evidence