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Methanol → Tert-butyl 4-(((4'-cyano-5-(trifluoromethyl)biphenyl-3-yl)methoxy)methyl)-4-(2-fluorophenyl)piperidine-1-carboxylate

HRID 391463
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인쇄 미리보기

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HRID 391463 반응식
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][CH:24]=[CH:23][C:22]=2[F:27])[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+].CO>O1CCCC1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=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][CH:24]=[CH:23][C:22]=4[F:27])[CH2:9][CH2:10][N:11]([C:14]([O:16][C:17]([CH3:18])([CH3:20])[CH3:19])=[O:15])[CH2:12][CH2:13]3)[CH:3]=2)=[CH:39][CH:38]=1)#[N:36]
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7

반응물 4

HCID 887Methanol2회HCID 14797Potassium HydroxideHCID 27343264-Cyanophenylboronic acidHCID 58993612Tert-butyl 4-((3-bromo-5-(trifluoromethyl)benzyloxy)methyl)-4-(2-fluorophenyl)piperidine-1-carboxylate

생성물 1

HCID 58993685Tert-butyl 4-(((4'-cyano-5-(trifluoromethyl)biphenyl-3-yl)methoxy)methyl)-4-(2-fluorophenyl)piperidine-1-carboxylate

시약·촉매·용매 2

HCID 178418397HCID 178418397, 화합물촉매HCID 8028Tetrahydrofuran용매

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온도
120 °C

실험 절차

A sealable vial was charged with tert-butyl 4-((3-bromo-5-(trifluoromethyl)benzyloxy)methyl)-4-(2-fluorophenyl)piperidine-1-carboxylate (0.138 g, 0.25 mmol) and 4-cyanophenylboronic acid (0.111 g, 0.75 mmol) in tetrahydrofuran (2 mL) at 0° C. To the reaction solution was added 1N potassium hydroxide (0.88 mL, 0.88 mmol) and Tetrakis(triphenylphosphine)palladium(0) (0.058 g, 0.05 mmol). The vial was purged with nitrogen and sealed. The sealed vial was heated in a microwave reactor at 120° C. for 2 hr. The reaction was cooled to room temperature and diluted with 4 mL ethyl acetate. The organic layer was separated, dried over Na2SO4 and evaporated in vacuo. The crude oil was purified by silica gel chromatography (5% ethyl acetate/95% hexanes→35% ethyl acetate/65% hexanes) to afford 0.123 g (87%) of the desired ether. Mass spec.: 591.22 (MNa)+; LC tr=4.318 min. (Phenomenex-Luna 4.6×50 mm S10, 10% MeOH/90% H2O/0.1% TFA→90% MeOH/10% H2O/0.1% TFA Gradient Time=4 min, Flow rate=4 mL/min).

후처리

  1. customThe vial was purged with nitrogen
  2. customsealed
  3. temperatureThe reaction was cooled to room temperature
  4. additiondiluted with 4 mL ethyl acetate
  5. customThe organic layer was separated
  6. dry with materialdried over Na2SO4
  7. customevaporated in vacuo
  8. customThe crude oil was purified by silica gel chromatography (5% ethyl acetate/95% hexanes→35% ethyl acetate/65% hexanes)
  9. customto afford 0.123 g (87%) of the desired ether

출처 및 근거

ORD 기록
ord-6971bf9477264b5d82c9fe80bef86847
출처 데이터셋
uspto-grants-2013_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08383821B2

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