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Potassium Hydroxide → tert-Butyl 4-((1-(5-cyclopropyl-2-((2-(trimethylsilyl)ethoxy)methyl)-2H-indazol-7-yl)ethoxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate

HRID 913848
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HRID 913848 반응식
Br[C:2]1[CH:10]=[C:9]([CH:11]([O:13][CH2:14][C:15]2([C:28]3[CH:33]=[CH:32][C:31]([F:34])=[CH:30][CH:29]=3)[CH2:20][CH2:19][N:18]([C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:17][CH2:16]2)[CH3:12])[C:8]2[C:4](=[CH:5][N:6]([CH2:35][O:36][CH2:37][CH2:38][Si:39]([CH3:42])([CH3:41])[CH3:40])[N:7]=2)[CH:3]=1.[CH:43]1(B(O)O)[CH2:45][CH2:44]1.[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>[CH:43]1([C:2]2[CH:10]=[C:9]([CH:11]([O:13][CH2:14][C:15]3([C:28]4[CH:33]=[CH:32][C:31]([F:34])=[CH:30][CH:29]=4)[CH2:16][CH2:17][N:18]([C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:19][CH2:20]3)[CH3:12])[C:8]3[C:4](=[CH:5][N:6]([CH2:35][O:36][CH2:37][CH2:38][Si:39]([CH3:41])([CH3:40])[CH3:42])[N:7]=3)[CH:3]=2)[CH2:45][CH2:44]1
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참가 물질

6

반응물 3

HCID 14797Potassium HydroxideHCID 2760897Cyclopropylboronic acidHCID 57546111(+/-)-tert-Butyl 4-((1-(5-bromo-2-((2-(trimethylsilyl)ethoxy)methyl)-2H-indazol-7-yl)ethoxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate

생성물 1

HCID 57545980tert-Butyl 4-((1-(5-cyclopropyl-2-((2-(trimethylsilyl)ethoxy)methyl)-2H-indazol-7-yl)ethoxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate

시약·촉매·용매 2

HCID 11979704
Tetrakis(triphenylphosphine)palladium
촉매
HCID 8028Tetrahydrofuran용매

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온도
100 °C

실험 절차

(±)-tert-Butyl 4-((1-(5-bromo-2-((2-(trimethylsilyl)ethoxy)methyl)-2H-indazol-7-yl)ethoxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate (75 mg, 0. 113 mmol), cyclopropyl boronic acid (20 mg, 0.34 mmol), and tetrakis(triphenylphosphine) palladium(0) (13. 1 mg, 0.011 mmol) were combined in dry tetrahydrofuran (2 mL) followed by addition of 0.58 mL of a 1 N aqueous potassium hydroxide solution in a microwave tube and sealed. After flushing the mixture with nitrogen, the mixture was heated at 100° C. for 1 h via microwave. After cooling to room temperature, the reaction mixture was concentrated, dissolved in ethyl acetate and washed with water and brine, concentrated and purified by flash chromatography on silica gel (20% EtOAc/Hex) to afford 70.5 mg (100%) as an oil. LC/MS (HPLC method 2): tR=3.738 min, 624.24(MH)+.

후처리

  1. customsealed
  2. customAfter flushing the mixture with nitrogen
  3. temperatureAfter cooling to room temperature
  4. concentrationthe reaction mixture was concentrated
  5. dissolutiondissolved in ethyl acetate
  6. washwashed with water and brine
  7. concentrationconcentrated
  8. custompurified by flash chromatography on silica gel (20% EtOAc/Hex)
  9. customto afford 70.5 mg (100%) as an oil

출처 및 근거

ORD 기록
ord-7cc0224b779c48d9895fff922e7f3b09
출처 데이터셋
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08026257B2

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