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Triethylamine → 3-Amino-N-(2-(2-(2-methoxyethoxy)ethoxy)ethyl)-5-((triisopropylsilyl)ethynyl)benzamide

HRID 1423259
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HRID 1423259 반응식
[NH2:1][C:2]1[CH:3]=[C:4]([CH:18]=[C:19](Br)[CH:20]=1)[C:5]([NH:7][CH2:8][CH2:9][O:10][CH2:11][CH2:12][O:13][CH2:14][CH2:15][O:16][CH3:17])=[O:6].C(N(CC)CC)C.[C:29]([Si:31]([CH:38]([CH3:40])[CH3:39])([CH:35]([CH3:37])[CH3:36])[CH:32]([CH3:34])[CH3:33])#[CH:30]>[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.C1COCC1>[NH2:1][C:2]1[CH:3]=[C:4]([CH:18]=[C:19]([C:30]#[C:29][Si:31]([CH:32]([CH3:34])[CH3:33])([CH:38]([CH3:40])[CH3:39])[CH:35]([CH3:37])[CH3:36])[CH:20]=1)[C:5]([NH:7][CH2:8][CH2:9][O:10][CH2:11][CH2:12][O:13][CH2:14][CH2:15][O:16][CH3:17])=[O:6]
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참가 물질

7

반응물 3

HCID 8471TriethylamineHCID 2734682(Triisopropylsilyl)acetyleneHCID 904220913-Amino-5-bromo-N-(2-(2-(2-methoxyethoxy)ethoxy)ethyl)benzamide

생성물 1

HCID 904225223-Amino-N-(2-(2-(2-methoxyethoxy)ethoxy)ethyl)-5-((triisopropylsilyl)ethynyl)benzamide

시약·촉매·용매 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
촉매
HCID 178418397HCID 178418397, 화합물촉매
HCID 8028Tetrahydrofuran용매

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온도
65 °C

실험 절차

To a 10 L flask under nitrogen was added the product from step (ii) above (700 g, 1.93 mol) and THF (5.59 L). This was followed by the addition of CuI (19.2 g, 0.1 mol), triethylamine (1.29 L, 9.27 mol) and ethynyltriisopropylsilane (389 g, 2.13 mol). The reaction was degassed and purged with nitrogen three times. Pd(PPh3)4 (125.5 g, 0.198 mol) was added and the reaction degassed and purged with nitrogen. The reaction was heated to 65° C. overnight, after which LC indicated 91% product and <1% starting material. The reaction mixture was concentrated in vacuo, then the residue was taken up in ethyl acetate (2 L) and put through a silica plug (2 kg), eluting with additional ethyl acetate (30 L). The product-containing fractions were concentrated in vacuo, then the crude product was dissolved in TBME (5 L) and extracted with 6 N HCl (5 L). The aqueous HCl phase was washed with TBME (2×5 L), before being basified with 6 N NaOH to pH 9-10. The product was then extracted with TBME (2×5 L), the organics were dried, filtered and concentrated in vacuo to give 635 g of the sub-title compound with a purity of >95% by 1H NMR (excluding solvents).

후처리

  1. customThe reaction was degassed
  2. custompurged with nitrogen three times
  3. customthe reaction degassed
  4. custompurged with nitrogen
  5. concentrationThe reaction mixture was concentrated in vacuo
  6. washeluting with additional ethyl acetate (30 L)
  7. concentrationThe product-containing fractions were concentrated in vacuo
  8. dissolutionthe crude product was dissolved in TBME (5 L)
  9. extractionextracted with 6 N HCl (5 L)
  10. washThe aqueous HCl phase was washed with TBME (2×5 L)
  11. extractionThe product was then extracted with TBME (2×5 L)
  12. customthe organics were dried
  13. filtrationfiltered
  14. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-cf9a7e8a12f3425fb8b93b11deead437
출처 데이터셋
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08927563B2

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