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Triethylamine → tert-Butyl (2R)-4-[(6-bromo-1-oxo-1,2-dihydroisoquinolin-4-yl)sulfonyl]-2-(hydroxymethyl)piperazine-1-carboxylate

HRID 906449
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인쇄 미리보기

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HRID 906449 반응식
[OH:1][CH2:2][C@H:3]1[CH2:8][NH:7][CH2:6][CH2:5][N:4]1[C:9]([O:11][C:12]([CH3:15])([CH3:14])[CH3:13])=[O:10].C(N(CC)CC)C.[Br:23][C:24]1[CH:25]=[C:26]2[C:31](=[CH:32][CH:33]=1)[C:30](=[O:34])[NH:29][CH:28]=[C:27]2[S:35](Cl)(=[O:37])=[O:36]>C1COCC1>[Br:23][C:24]1[CH:25]=[C:26]2[C:31](=[CH:32][CH:33]=1)[C:30](=[O:34])[NH:29][CH:28]=[C:27]2[S:35]([N:7]1[CH2:6][CH2:5][N:4]([C:9]([O:11][C:12]([CH3:15])([CH3:14])[CH3:13])=[O:10])[C@@H:3]([CH2:2][OH:1])[CH2:8]1)(=[O:37])=[O:36]
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 24820219(R)-2-Hydroxymethyl-piperazine-1-carboxylic acid tert-butyl esterHCID 574399006-Bromo-1-oxo-1,2-dihydroisoquinoline-4-sulfonyl chloride

생성물 1

HCID 67392085tert-Butyl (2R)-4-[(6-bromo-1-oxo-1,2-dihydroisoquinolin-4-yl)sulfonyl]-2-(hydroxymethyl)piperazine-1-carboxylate수율 76.8%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매
2회

실험 절차

To a solution of tert-butyl (2R)-2-(hydroxymethyl)piperazine-1-carboxylate (0.479 g) and triethylamine (0.618 mL) in THF (6 mL) was added dropwise a solution of 6-bromo-1-oxo-1,2-dihydroisoquinoline-4-sulfonyl chloride (Example 46a, 0.715 g) in THF (10 mL). The reaction was stirred at room temperature for 20 min. The resulting solution was concentrated under reduced pressure before adding water and extracting into ethyl acetate. The combined organics were dried (MgSO4), filtered and evaporated under reduced pressure. Trituration with ethyl acetate gave the subtitle compound (0.855 g).

후처리

  1. concentrationThe resulting solution was concentrated under reduced pressure
  2. additionbefore adding water
  3. extractionextracting into ethyl acetate
  4. dry with materialThe combined organics were dried (MgSO4)
  5. filtrationfiltered
  6. customevaporated under reduced pressure

출처 및 근거

ORD 기록
ord-e8b7d749de1247138d8596060c97ce7e
출처 데이터셋
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08012980B2

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