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Piperidine → HCID 58631179, 화합물

HRID 1487541
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HRID 1487541 반응식
[F:1][CH2:2][C@@H:3]1[C@@H:7]([C:8]2[CH:13]=[CH:12][C:11](I)=[CH:10][CH:9]=2)[O:6][C:5]([CH3:16])([CH3:15])[N:4]1[C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18].[C:24]([Si:26]([CH3:29])([CH3:28])[CH3:27])#[CH:25].N1CCCCC1>[Cu]I.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.C1(C)C=CC=CC=1>[F:1][CH2:2][C@@H:3]1[C@@H:7]([C:8]2[CH:13]=[CH:12][C:11]([C:25]#[C:24][Si:26]([CH3:29])([CH3:28])[CH3:27])=[CH:10][CH:9]=2)[O:6][C:5]([CH3:16])([CH3:15])[N:4]1[C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18]
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참가 물질

7

반응물 3

HCID 8082PiperidineHCID 66111TrimethylsilylacetyleneHCID 73424774(4S,5R)-Tert-butyl 4-(fluoromethyl)-5-(4-iodophenyl)-2,2-dimethyloxazolidine-3-carboxylate

생성물 1

HCID 58631179HCID 58631179, 화합물수율 88.4%

시약·촉매·용매 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
촉매
HCID 178418476HCID 178418476, 화합물촉매
HCID 1140Toluene용매

반응 조건

온도
35 °C

실험 절차

To a toluene (40 ml) solution of (4S,5R)-tert-butyl 4-(fluoromethyl)-5-(4-iodophenyl)-2,2-dimethyloxazolidine-3-carboxylate (2.0 g, 4.6 mmols) is added ethynyltrimethylsilane (451 mg, 4.6 mmols), copper (I)iodide (88 mg, 0.46 mmols, 0.1 equivs), Bis(triphenylphosphine)palladium(II) dichloride (165 mg, 0.23 mmols, 0.05 equivs) and piperidine (782 mg, 9.2 mmols, 2 equivs). The mixture is heated in an atmosphere of nitrogen at 35° C. for six hours. The mixture is filtered through a pad of Celite. The pad of Celite is washed with ethylacetate (2×15 ml). The combined organic filtrates were concentrated using rotary evaporation at reduced pressure to give a crude viscous oil. The oil is purified by flash column chromatography (grading from 100% hexanes to 15% EtOAc) to give the title compound (1.65 g): m/z (CI) 306 ([M+H]+−Boc).

후처리

  1. filtrationThe mixture is filtered through a pad of Celite
  2. washThe pad of Celite is washed with ethylacetate (2×15 ml)
  3. concentrationThe combined organic filtrates were concentrated
  4. customevaporation at reduced pressure
  5. customto give a crude viscous oil
  6. customThe oil is purified by flash column chromatography (grading from 100% hexanes to 15% EtOAc)

출처 및 근거

ORD 기록
ord-4dac75fbebcd44518420c5962f6e52f2
출처 데이터셋
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09428528B2

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