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Triethylamine → tert-Butyl 4-((3-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-5-(methoxycarbonyl)-4-methylphenyl)ethynyl)piperidine-1-carboxylate

HRID 1469168
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HRID 1469168 반응식
Br[C:2]1[CH:3]=[C:4]([N:13]([CH2:20][CH3:21])[CH:14]2[CH2:19][CH2:18][O:17][CH2:16][CH2:15]2)[C:5]([CH3:12])=[C:6]([CH:11]=1)[C:7]([O:9][CH3:10])=[O:8].[C:22]([CH:24]1[CH2:29][CH2:28][N:27]([C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])[CH2:26][CH2:25]1)#[CH:23].C(N(CC)CC)C>CN(C=O)C.[Cu]I.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>[CH2:20]([N:13]([CH:14]1[CH2:19][CH2:18][O:17][CH2:16][CH2:15]1)[C:4]1[CH:3]=[C:2]([C:23]#[C:22][CH:24]2[CH2:25][CH2:26][N:27]([C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])[CH2:28][CH2:29]2)[CH:11]=[C:6]([C:7]([O:9][CH3:10])=[O:8])[C:5]=1[CH3:12])[CH3:21]
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참가 물질

7

반응물 3

HCID 8471TriethylamineHCID 15550481tert-Butyl 4-ethynylpiperidine-1-carboxylateHCID 70872485methyl 5-bromo-3-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-2-methylbenzoate

생성물 1

HCID 86715574tert-Butyl 4-((3-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-5-(methoxycarbonyl)-4-methylphenyl)ethynyl)piperidine-1-carboxylate수율 98.1%

시약·촉매·용매 3

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
촉매
HCID 178418397HCID 178418397, 화합물촉매
HCID 6228Dimethylformamide용매

반응 조건

온도
80 °C

실험 절차

To a solution of methyl 5-bromo-3-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-2-methylbenzoate (1.80 g, 5.05 mmol) and tert-butyl 4-ethynylpiperidine-1-carboxylate (1.80 g, 8.59 mmol) in DMF (40 ml) was added triethylamine (2.82 ml, 20.2 mmol) and Copper(I) iodide (0.096 g, 0.505 mmol). The reaction mixture was degassed by bubbling nitrogen for 15 min. Then tetrakis(triphenylphosphine)palladium(0) (0.292 g, 0.253 mmol) was introduced and degassed for additional 10 min by bubbling nitrogen. The reaction mixture was heated at 80° C. for 6 h. The reaction was quenched with sat. NaHCO3, extracted with TBME (3×40 mL), dried over Na2SO4, filtered and concentrated. The residue was purified by chromatography (0% to 40% AcOEt/Heptane) to give the titled compound (2.40 g, 98% yield). 1H-NMR (500 MHz) 3 ppm; 7.65 (s, 1H), 7.28 (s, 1H), 3.97 (brd, J=11.3 Hz, 2H), 3.90 (s, 3H), 3.76 (m, 2H), 3.34 (dt, J=2.0, 11.7 Hz, 2H), 3.24 (ddd, J=3.4, 8.8, 12.2 Hz, 2H), 3.08 (brs, 2H), 2.98 (brs, 1H), 2.80 (dddd, J=3.9, 3.9, 3.9, 3.9 Hz, 1H), 2.52 (s, 3H), 1.87 (m, 2H), 1.60-1.74 (m, 6H), 1.48 (s, 9H), 0.89 (t, J=6.8 Hz, 3H)); MS (ESI) [M+H]+485.4.

후처리

  1. customThe reaction mixture was degassed
  2. customby bubbling nitrogen for 15 min
  3. customdegassed for additional 10 min
  4. customby bubbling nitrogen
  5. customThe reaction was quenched with sat. NaHCO3
  6. extractionextracted with TBME (3×40 mL)
  7. dry with materialdried over Na2SO4
  8. filtrationfiltered
  9. concentrationconcentrated
  10. customThe residue was purified by chromatography (0% to 40% AcOEt/Heptane)

출처 및 근거

ORD 기록
ord-018a62e5fa4a4e3eb41f65e3e2222705
출처 데이터셋
uspto-grants-2015_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09006242B2

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