Hydroxyamine hydrochloride → HCID 73997431, compound

Participants

Reaction Steps

A solution of 1-methyl-1,3,4,9-tetrahydropyrano[3,4-b]-indole-1-carboxaldehyde (547 mg), described in Example 777, aqueous hydroxylamine hydrochloride (2.5 ml of 5N) and aqueous sodium acetate (2.5 ml of 5N) and methanol (5 ml) is heated at 50°-60° C. for 5 min. and then kept at 4° C. for 16 hr. The precipitate is collected and recrystallized from ethanol water to afford 1-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-carboxaldehyde oxime, m.p. 176°-178° C.

Provenance & Evidence