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Ethyl 4-piperidinecarboxylate → Ethyl 1-{2-[3-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-thiadiazol-3-yl)-2-ethylphenyl]ethyl}-4-piperidinecarboxylate

HRID 1942679
ノート
印刷プレビュー

反応式

HRID 1942679 の反応式
[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[S:16][N:15]=[C:14]([C:17]3[C:18]([CH2:26][CH3:27])=[C:19]([CH2:23][CH:24]=O)[CH:20]=[CH:21][CH:22]=3)[N:13]=2)[CH:5]=[N:6][C:7]=1[O:8][CH:9]([CH3:11])[CH3:10].[NH:28]1[CH2:33][CH2:32][CH:31]([C:34]([O:36][CH2:37][CH3:38])=[O:35])[CH2:30][CH2:29]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>ClCCl>[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[S:16][N:15]=[C:14]([C:17]3[C:18]([CH2:26][CH3:27])=[C:19]([CH2:23][CH2:24][N:28]4[CH2:33][CH2:32][CH:31]([C:34]([O:36][CH2:37][CH3:38])=[O:35])[CH2:30][CH2:29]4)[CH:20]=[CH:21][CH:22]=3)[N:13]=2)[CH:5]=[N:6][C:7]=1[O:8][CH:9]([CH3:11])[CH3:10]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 70770Ethyl 4-piperidinecarboxylateHCID 5049666Sodium triacetoxyborohydrideHCID 58494135HCID 58494135、化合物

生成物 1

HCID 58494002Ethyl 1-{2-[3-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-thiadiazol-3-yl)-2-ethylphenyl]ethyl}-4-piperidinecarboxylate収率 33.3%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane
溶媒

実験手順

To a solution of [3-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-thiadiazol-3-yl)-2-ethylphenyl]acetaldehyde (D111) (2 g, 2.488 mmol) in Dichloromethane (DCM) (10 mL) was added ethyl 4-piperidinecarboxylate (0.430 g, 2.74 mmol). The reaction solution was stirred for 5 min before sodium triacetoxyborohydride (0.791 g, 3.73 mmol) was added. The reaction solution was stirred overnight. The reaction solution was washed with water, dried, concentrated and purified by ISCO column chromatography to afford the crude product ethyl 1-{2-[3-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-thiadiazol-3-yl)-2-ethylphenyl]ethyl}-4-piperidinecarboxylate (D112) (450 mg). MS (ES): C28H35ClN4O3S requires 542.2. found 543.2 (M+H+).

後処理

  1. additionwas added
  2. washThe reaction solution was washed with water
  3. customdried
  4. concentrationconcentrated
  5. custompurified by ISCO column chromatography

出典と根拠

ORDレコード
ord-72b2d97791364aedba2cf7391b73b852
出典データセット
uspto-grants-2013_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08389508B2

反応ノート

読み込み中…

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