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Potassium Hydroxide → tert-Butyl 4-(((4'-cyano-5-(trifluoromethyl)biphenyl-3-yl)methoxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate

HRID 391419
ノート
印刷プレビュー

反応式

HRID 391419 の反応式
Br[C:2]1[CH:3]=[C:4]([CH:28]=[C:29]([C:31]([F:34])([F:33])[F:32])[CH:30]=1)[CH2:5][O:6][CH2:7][C:8]1([C:21]2[CH:26]=[CH:25][C:24]([F:27])=[CH:23][CH:22]=2)[CH2:13][CH2:12][N:11]([C:14]([O:16][C:17]([CH3:20])([CH3:19])[CH3:18])=[O:15])[CH2:10][CH2:9]1.[C:35]([C:37]1[CH:42]=[CH:41][C:40](B(O)O)=[CH:39][CH:38]=1)#[N:36].[OH-].[K+]>O1CCCC1.[Pd].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>[C:35]([C:37]1[CH:42]=[CH:41][C:40]([C:2]2[CH:30]=[C:29]([C:31]([F:33])([F:34])[F:32])[CH:28]=[C:4]([CH2:5][O:6][CH2:7][C:8]3([C:21]4[CH:26]=[CH:25][C:24]([F:27])=[CH:23][CH:22]=4)[CH2:9][CH2:10][N:11]([C:14]([O:16][C:17]([CH3:20])([CH3:19])[CH3:18])=[O:15])[CH2:12][CH2:13]3)[CH:3]=2)=[CH:39][CH:38]=1)#[N:36]
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

6

反応物 3

HCID 14797Potassium HydroxideHCID 27343264-Cyanophenylboronic acidHCID 58993524tert-Butyl 4-((3-bromo-5-(trifluoromethyl)benzyloxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate

生成物 1

HCID 58993637tert-Butyl 4-(((4'-cyano-5-(trifluoromethyl)biphenyl-3-yl)methoxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate

試薬・触媒・溶媒 2

HCID 11979704
Tetrakis(triphenylphosphine)palladium
触媒
HCID 8028Tetrahydrofuran溶媒

反応条件

温度
120 °C

実験手順

tert-Butyl 4-((3-bromo-5-(trifluoromethyl)benzyloxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate (130.0 mg, 0.24 mmol), 4-cyanophenylboronic acid (140.0 mg, 0.95 mmol), and tetrakis(triphenylphosphine) palladium(0) (37.1 mg, 0.024 mmol) were combined in dry tetrahydrofuran (3 mL) in a microwave tube and sealed. The mixture was flushed with nitrogen. To this was added potassium hydroxide (1 N in water, 0.75 mL, 0.75 mmol). The mixture was heated at 120° C. for 1 h via microwave. After cooling to room temperature, the reaction mixture was concentrated and purified by flash chromatography on silica gel (25% ethyl acetate/hexanes) to afford 61.0 mg (48%). 1H-NMR (CDCl3, 500 MHz) δ 7.74-7.76 (m, 2H), 7.67 (s, 1H), 7.57-7.60 (m, 2H), 7.41 (s, 1H), 7.40 (s, 1H), 7.29-7.32 (m, 2H), 6.98-7.02 (m, 2H), 4.47 (s, 2H), 3.71-3.74 (m, 2H), 3.43 (s, 2H), 3.01-3.06 (m, 2H), 2.14-2.17 (m, 2H), 1.82-1.88 (m, 2H), 1.42 (s, 9H). Mass spec.: 569.25 (MH)+.

後処理

  1. customsealed
  2. customThe mixture was flushed with nitrogen
  3. temperatureAfter cooling to room temperature
  4. concentrationthe reaction mixture was concentrated
  5. custompurified by flash chromatography on silica gel (25% ethyl acetate/hexanes)
  6. customto afford 61.0 mg (48%)

出典と根拠

ORDレコード
ord-42de0d83e2c5445c9c8214e2d315bdec
出典データセット
uspto-grants-2013_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08383821B2

反応ノート

読み込み中…

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