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1-Hydroxybenzotriazole → 1-[[[4-(Hydroxymethyl)phenyl]carbonyl]amino]cyclohexanecarboxylic acid phenylmethyl ester

HRID 73857
ノート
印刷プレビュー

反応式

HRID 73857 の反応式
Cl.C(N=C=NCCCN(C)C)C.[OH:13][CH2:14][C:15]1[CH:23]=[CH:22][C:18]([C:19]([OH:21])=O)=[CH:17][CH:16]=1.[C:24]1([CH2:30][O:31][C:32]([C:34]2([NH2:40])[CH2:39][CH2:38][CH2:37][CH2:36][CH2:35]2)=[O:33])[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1.ON1C2C=CC=CC=2N=N1>C(Cl)Cl>[C:24]1([CH2:30][O:31][C:32]([C:34]2([NH:40][C:19]([C:18]3[CH:17]=[CH:16][C:15]([CH2:14][OH:13])=[CH:23][CH:22]=3)=[O:21])[CH2:35][CH2:36][CH2:37][CH2:38][CH2:39]2)=[O:33])[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 757711-HydroxybenzotriazoleHCID 763604-(Hydroxymethyl)benzoic acidHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 15176238Benzyl 1-aminocyclohexanecarboxylate

生成物 1

HCID 576728131-[[[4-(Hydroxymethyl)phenyl]carbonyl]amino]cyclohexanecarboxylic acid phenylmethyl ester収率 56.3%

試薬・触媒・溶媒

1
HCID 6344Dichloromethane溶媒

実験手順

Under ice-cooling, 6.94 g (36 mmol) of 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride was added to a solution of 5 g (33 mmol) of 4-(hydroxymethyl)benzoic acid, 7.7 g (33 mmol) of 1-aminocyclohexanecarboxylic acid phenylmethyl ester and 5.29 g (35 mmol) of 1-hydroxybenzotriazole in methylene chloride. After the mixture was stirred at room temperature overnight, the reaction solvent was distilled off under reduced pressure. Water was added to the residue and the mixture was extracted with ethyl acetate twice. The obtained organic layer was washed with a 10% aqueous potassium hydrogensulfate solution, a saturated aqueous sodium hydrogencarbonate solution and then saturated brine, and it was dried with anhydrous sodium sulfate. The obtained residue was purified by silica gel column chromatography to obtain 6.83 g (56%) of the title compound.

後処理

  1. temperatureUnder ice-cooling
  2. distillationthe reaction solvent was distilled off under reduced pressure
  3. additionWater was added to the residue
  4. extractionthe mixture was extracted with ethyl acetate twice
  5. washThe obtained organic layer was washed with a 10% aqueous potassium hydrogensulfate solution
  6. dry with materiala saturated aqueous sodium hydrogencarbonate solution and then saturated brine, and it was dried with anhydrous sodium sulfate
  7. customThe obtained residue was purified by silica gel column chromatography

出典と根拠

ORDレコード
ord-92dbecd53a6e429c800a829b622cad5b
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08829209B2

反応ノート

読み込み中…

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