O-Methylhydroxylamine hydrochloride → 1,2,5,6-tetrahydropyridin-3-carboxaldehyde-O-methyloxime Hydrochloride
反応式
[ClH:1].[NH:2]1[CH2:7][CH2:6][CH:5]=[C:4]([CH:8]=O)[CH2:3]1.Cl.[CH3:11][O:12][NH2:13]>O>[ClH:1].[CH3:11][O:12][N:13]=[CH:8][C:4]1[CH2:3][NH:2][CH2:7][CH2:6][CH:5]=1参加物
4
実験手順
To a solution of 5 g (0.034 mol) of 1,2,5,6-tetrahydropyridin-3-carboxaldehyde hydrochloride, (CHEM. BER. 40, 4685, 1907)-- in 30 cm3 of water, 2.85 g (0.034 mol) of O-methyl-hydroxylamine hydrochloride is added with agitation for 1 hour at ambient temperature. The reactional mixture is evaporated to dryness and the residue is recrystallized from absolute ethanol. 4.8 g (80%) of product is obtained with m.p.. 208° C.(decomposes) White crystalline powder.
後処理
- customThe reactional mixture is evaporated to dryness
- customthe residue is recrystallized from absolute ethanol
出典と根拠
- ORDレコード
- ord-5ae5cf99f9e54d5187e7277c61ea3a23
- 出典データセット
- uspto-grants-1993_06
- 特許番号
- US05219872
反応ノート
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