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Ammonium Chloride → 4-([3-(tert-butyldimethylsilanyloxy)phenyl]{3-[N-(3-fluorophenyl)-N-methyl-carbamoyl]phenyl}hydroxymethyl)piperidine-1-carboxylic acid tert-butyl ester

HRID 445032
ノート
印刷プレビュー

反応式

HRID 445032 の反応式
C([Li])CCC.[F:6][C:7]1[CH:8]=[C:9]([N:13]([CH3:23])[C:14](=[O:22])[C:15]2[CH:20]=[CH:19][CH:18]=[C:17](I)[CH:16]=2)[CH:10]=[CH:11][CH:12]=1.[C:24]([O:28][C:29]([N:31]1[CH2:36][CH2:35][CH:34]([C:37](=[O:52])[C:38]2[CH:43]=[CH:42][CH:41]=[C:40]([O:44][Si:45]([C:48]([CH3:51])([CH3:50])[CH3:49])([CH3:47])[CH3:46])[CH:39]=2)[CH2:33][CH2:32]1)=[O:30])([CH3:27])([CH3:26])[CH3:25].[NH4+].[Cl-]>C1COCC1.O>[C:24]([O:28][C:29]([N:31]1[CH2:32][CH2:33][CH:34]([C:37]([C:38]2[CH:43]=[CH:42][CH:41]=[C:40]([O:44][Si:45]([C:48]([CH3:51])([CH3:50])[CH3:49])([CH3:46])[CH3:47])[CH:39]=2)([C:17]2[CH:18]=[CH:19][CH:20]=[C:15]([C:14](=[O:22])[N:13]([C:9]3[CH:10]=[CH:11][CH:12]=[C:7]([F:6])[CH:8]=3)[CH3:23])[CH:16]=2)[OH:52])[CH2:35][CH2:36]1)=[O:30])([CH3:27])([CH3:26])[CH3:25]
参加物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 25517Ammonium ChlorideHCID 61985917N-(3-fluorophenyl)-3-iodo-N-methylbenzamideHCID 697908934-[3-(Tert-butyl-dimethyl-silanyloxy)benzoyl]-piperidine-1-carboxylic acid tert-butyl esterHCID 178418339Butyllithium

生成物 1

HCID 697908904-([3-(tert-butyldimethylsilanyloxy)phenyl]{3-[N-(3-fluorophenyl)-N-methyl-carbamoyl]phenyl}hydroxymethyl)piperidine-1-carboxylic acid tert-butyl ester
収率 42%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 8028Tetrahydrofuran溶媒

実験手順

n-Butyllithium (1.61 mL of 1.92 M solution; 3.10 mmol) was added to a mixture of N-(3-fluorophenyl)-3-iodo-N-methylbenzamide (1.0 g; 2.82 mmol) and 4-[3-(tert-butyl-dimethyl-silanyloxy)benzoyl]-piperidine-1-carboxylic acid tert-butyl ester (1.182 g; 2.82 mmol) in THF (150 mL) at −78° C. under nitrogen in one portion. The reaction was stirred under nitrogen overnight while the temperature warmed to room temperature. Saturated NH4Cl solution (25 mL) was added to the reaction mixture, followed by the addition of 25 mL of water. The mixture was extracted by ether (300 mL×2). The ether layer was washed by water (200 mL×2) and brine (200 mL×1), dried by Na2SO4 and concentrated to give 2.03 g of crude product, which was purified by silica gel column chromatography eluted with 30% EtOAc in pentane to give 4-([3-(tert-butyldimethylsilanyloxy)phenyl]{3-[N-(3-fluorophenyl)-N-methylcarbamoyl]phenyl}hydroxymethyl)piperidine-1-carboxylic acid tert-butyl ester (763 mg; 42%). 1H NMR (600 MHz, DMSO-d6) δ 7.34 (bs, 1H), 7.29 (s, 1H), 7.23-7.16 (m, 3H), 7.09 (m, 2H), 6.94 (m, 2H), 6.85 (m, 2H), 6.60 (d, 1H, J=7.0 Hz), 5.25 (s, 1H), 3.88 (m, 2H), 3.35 (s, 3H), 2.60 (bs, 2H), 2.34 (m, 1H), 1.37 (s, 9H), 1.36 (m, 2H), 1.16 (m, 2H), 0.91 (s, 9H), 0.12 (s, 6H).

後処理

  1. extractionThe mixture was extracted by ether (300 mL×2)
  2. washThe ether layer was washed by water (200 mL×2) and brine (200 mL×1)
  3. dry with materialdried by Na2SO4
  4. concentrationconcentrated
  5. customto give 2.03 g of crude product, which
  6. customwas purified by silica gel column chromatography
  7. washeluted with 30% EtOAc in pentane

出典と根拠

ORDレコード
ord-41c26aa7480d4cf2b0f809c3317a2af1
出典データセット
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08476280B2

反応ノート

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