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Potassium Carbonate → Oxalate

HRID 2404459
ノート
印刷プレビュー

反応式

HRID 2404459 の反応式
I[C:2]1[CH:3]=[C:4]([CH:8]([O:18][CH:19]2[CH2:24][CH2:23][N:22]([CH3:25])[CH2:21][CH2:20]2)[C:9]2[S:10][C:11]3[CH:17]=[CH:16][CH:15]=[CH:14][C:12]=3[N:13]=2)[CH:5]=[CH:6][CH:7]=1.CC(N)([CH2:29][OH:30])C.[C:32](=[O:35])([O-:34])[O-].[K+].[K+].Cl.[NH:39]1[CH2:42][CH:41]([OH:43])[CH2:40]1>[Cu]I>[S:10]1[C:11]2[CH:17]=[CH:16][CH:15]=[CH:14][C:12]=2[N:13]=[C:9]1[CH:8]([O:18][CH:19]1[CH2:24][CH2:23][N:22]([CH3:25])[CH2:21][CH2:20]1)[C:4]1[CH:3]=[C:2]([N:39]2[CH2:42][CH:41]([OH:43])[CH2:40]2)[CH:7]=[CH:6][CH:5]=1.[C:29]([O-:30])(=[O:18])[C:32]([O-:34])=[O:35]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 11430Potassium CarbonateHCID 118072-Amino-2-methyl-1-propanolHCID 27592903-Hydroxyazetidine hydrochlorideHCID 569474582-[(3-Iodophenyl)(1-methylpiperidin-4-yloxy)methyl]benzothiazole

生成物 2

HCID 71081OxalateHCID 668358851-{3-[Benzothiazol-2-yl(1-methylpiperidin-4-yloxy)methyl]phenyl}azetidin-3-ol

試薬・触媒・溶媒 1

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)触媒

反応条件

温度
60 °C

実験手順

A screw-capped tube is charged with 2-[(3-iodophenyl)(1-methylpiperidin-4-yloxy)methyl]benzothiazole (example 41, 150 mg), copper(I) iodide (15 mg), deanol (1 mL), potassium carbonate (306 mg), azetidin-3-ol, hydrochloride (88 mg). The tube is evacuated, filled with argon and sealed. After stirring at 60° C. for 100 h, the mixture is diluted with dichloromethane, water and ammonia. After decantation, the aqueous phase is extracted with dichloromethane. The pooled organic extracts are dried over magnesium sulfate and concentrated under reduced pressure. The residue is purified by chromatography (gradient dichloromethane/methanol/ammonia from 95/5/0.5 to 90/10/0.5). The base is converted into its oxalate salt in acetone to give 1-{3-[benzothiazol-2-yl(1-methylpiperidin-4-yloxy)methyl]phenyl}azetidin-3-ol, oxalate melting at 117° C.

後処理

  1. customThe tube is evacuated
  2. additionfilled with argon
  3. customsealed
  4. additionthe mixture is diluted with dichloromethane, water and ammonia
  5. extractionAfter decantation, the aqueous phase is extracted with dichloromethane
  6. dry with materialThe pooled organic extracts are dried over magnesium sulfate
  7. concentrationconcentrated under reduced pressure
  8. customThe residue is purified by chromatography (gradient dichloromethane/methanol/ammonia from 95/5/0.5 to 90/10/0.5)

出典と根拠

ORDレコード
ord-c464eb79f5134cf192d4551035bb472a
出典データセット
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08802664B2

反応ノート

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