Hydrochloric Acid → (R)-N-hydroxy-2-methyl-2-(methylsulfonyl)-4-(2-oxo-4-(phenylethynyl) pyridin-1(2H)-yl)butanamide

HRID 84312노트

반응식

HRID 84312 반응식
Cl.[CH3:2][C@@:3]([S:31]([CH3:34])(=[O:33])=[O:32])([CH2:14][CH2:15][N:16]1[CH:21]=[CH:20][C:19]([C:22]#[C:23][C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)=[CH:18][C:17]1=[O:30])[C:4]([NH:6][O:7]C1CCCCO1)=[O:5]>O1CCOCC1>[OH:7][NH:6][C:4](=[O:5])[C@:3]([CH3:2])([S:31]([CH3:34])(=[O:33])=[O:32])[CH2:14][CH2:15][N:16]1[CH:21]=[CH:20][C:19]([C:22]#[C:23][C:24]2[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=2)=[CH:18][C:17]1=[O:30]

참가 물질

4

실험 절차

A solution of 1.0 M aqueous HCl (10 ml) was added slowly to a solution of (2R)-2-methyl-2-(methylsulfonyl)-4-(2-oxo-4-(phenylethynyl)pyridin-1(2H)-yl)-N-(tetrahydro-2H-pyran-2-yloxy)butanamide (107 mg, 0.226 mmol) in 1,4-dioxane (20 mL) at room temperature. The reaction mixture was allowed to stir at room temperature overnight. After 18 hours the reaction was concentrated to low volume then redissolved in methanol (20 ml) and concentrated in vacuo to afford a light-yellow solid. Yield 71 mg, 81%. MS (APCI) m/z 389.4 (M+H), 1H NMR (400 MHz, DMSO-d6) δ ppm 1.46 (none, 3 H) 1.53 (s, 3 H) 2.03-2.17 (m, 1 H) 2.33-2.45 (m, 1 H) 3.07 (s, 3 H) 3.71 (td, J=11.90, 4.88 Hz, 1 H) 3.96-4.14 (m, 1 H) 6.35 (dd, J=6.93, 1.85 Hz, 1 H) 6.56 (d, J=1.76 Hz, 1 H) 7.36-7.48 (m, 3 H) 7.51-7.61 (m, 2 H) 7.69 (d, J=7.02 Hz, 1 H) 11.05 (br. s., 1 H)

후처리

  1. concentrationAfter 18 hours the reaction was concentrated to low volume
  2. dissolutionthen redissolved in methanol (20 ml)
  3. concentrationconcentrated in vacuo
  4. customto afford a light-yellow solid

출처 및 근거

ORD 기록
ord-abbcad299d694b31aa5a776431a97874
출처 데이터셋
uspto-grants-2014_09
특허 번호
US08846933B2

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