Acetone → 1-[(3-Methylpyridin-2-yl)oxy]-3-[(propan-2-yl)amino]propan-2-ol

HRID 1764344ノート

反応式

HRID 1764344 の反応式
Cl.[NH2:2][CH2:3][CH:4]([OH:14])[CH2:5][O:6][C:7]1[C:12]([CH3:13])=[CH:11][CH:10]=[CH:9][N:8]=1.C([BH3-])#N.[Na+].[CH3:19][C:20]([CH3:22])=O>CO>[OH:14][CH:4]([CH2:3][NH:2][CH:20]([CH3:22])[CH3:19])[CH2:5][O:6][C:7]1[C:12]([CH3:13])=[CH:11][CH:10]=[CH:9][N:8]=1

参加物

6

反応物 4

HCID 180AcetoneHCID 313Hydrochloric AcidHCID 5003444Sodium cyanoborohydrideHCID 204835331-Amino-3-[(3-methylpyridin-2-yl)oxy]propan-2-ol

生成物 1

HCID 204835171-[(3-Methylpyridin-2-yl)oxy]-3-[(propan-2-yl)amino]propan-2-ol

試薬・触媒・溶媒 1

HCID 887Methanol溶媒2 回

実験手順

4 ml of a 2 N solution of hydrogen chloride in methanol are added to a solution of 3.6 g of 2-(3'-amino-2'-hydroxy-propoxy)-3-methyl-pyridine and 1.5 g of sodium cyanoborohydride in 70 ml of methanol and 12 ml of acetone are added dropwise over the course of approx. 30 minutes, whilst stirring. The reaction mixture is stirred overnight at room temperature and is then evaporated in vacuo and the residue is acidified with 2 N hydrochloric acid. The aqueous solution is extracted once by shaking with 30 ml of ether. The hydrochloric acid phase is separated off and rendered alkaline with concentrated sodium hydroxide solution. 2-(2'-Hydroxy-3'-isopropylamino-propoxy)-3-methyl-pyridine is isolated by extraction with ethyl acetate and is identical with the material described in Example 21.

後処理

  1. additionare added dropwise over the course of approx. 30 minutes
  2. stirringThe reaction mixture is stirred overnight at room temperature
  3. customis then evaporated in vacuo
  4. extractionThe aqueous solution is extracted once
  5. stirringby shaking with 30 ml of ether
  6. customThe hydrochloric acid phase is separated off

出典と根拠

ORDレコード
ord-5c0499124ed84e3f9770efde948152c8
出典データセット
uspto-grants-1978_09
特許番号
US04115575

反応ノート

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