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Lithium borohydride → 3-[7-(2-aminoethoxy)-1,1-dioxido-4H-1,2,4-benzothiadiazin-3-yl]-1-[(cyclopropylmethyl)amino]-4-hydroxyquinolin-2(1H)-one

HRID 601371
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HRID 601371 반응식
[CH:1]1([CH2:4][NH:5][N:6]2[C:15]3[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=3)[C:9]([OH:16])=[C:8]([C:17]3[NH:22][C:21]4[CH:23]=[CH:24][C:25]([O:27][CH2:28][C:29]#[N:30])=[CH:26][C:20]=4[S:19](=[O:32])(=[O:31])[N:18]=3)[C:7]2=[O:33])[CH2:3][CH2:2]1.[Li+].[BH4-]>O1CCCC1.O>[NH2:30][CH2:29][CH2:28][O:27][C:25]1[CH:24]=[CH:23][C:21]2[NH:22][C:17]([C:8]3[C:7](=[O:33])[N:6]([NH:5][CH2:4][CH:1]4[CH2:3][CH2:2]4)[C:15]4[C:10]([C:9]=3[OH:16])=[CH:11][CH:12]=[CH:13][CH:14]=4)=[N:18][S:19](=[O:32])(=[O:31])[C:20]=2[CH:26]=1
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참가 물질

5

반응물 2

HCID 4148881Lithium borohydrideHCID 136358425[(3-{1-[(cyclopropylmethyl)amino]-4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl}-1,1-dioxido-4H-1,2,4-benzothiadiazin-7-yl)oxy]acetonitrile

생성물 1

HCID 1363584273-[7-(2-aminoethoxy)-1,1-dioxido-4H-1,2,4-benzothiadiazin-3-yl]-1-[(cyclopropylmethyl)amino]-4-hydroxyquinolin-2(1H)-one수율 97%

시약·촉매·용매 2

HCID 962Water용매2회
HCID 8028
Tetrahydrofuran
용매

실험 절차

A solution of the product of Example 392A (39 mg, 0.084 mmol) in anhydrous tetrahydrofuran (2 mL) was treated with LiBH4 (1mL, 2M in tetrahydrofuran, 0.2 mmol), stirred at ambient temperature for 30 minutes, then 18 μl water was added and stirred overnight. The solution was diluted with water (20 mL) and extracted with ethyl acetate (2×50 mL). The combined organic layers were washed with brine and dried over anhydrous magnesium sulfate. The slurry was filtered and the solvent removed under reduced pressure to give title compound (38 mg, 97%). 1H NMR (500 MHz, BENZENE-d6) δ 0.20 (d, J=3.05 Hz, 2 H) 0.46 (d, J=7.32 Hz, 2 H) 1.01 (m, 1 H) 2.74 (s, br, 2 H) 2.86 (m, 2 H) 4.19 (t, J=4.90 Hz, 2 H) 5.21 (s, br, 2 H) 6.04 (s, br, 1 H) 7.15 (s, br, 1 H) 7.24 (s, br, 2 H) 7.32 (s, br, 1 H) 7.59 (s, br, 1 H) 7.78 (s, br, 1 H) 8.11 (d, J=7.32 Hz, 1 H) 15.65 (s, br, 1 H). MS (ESI−) m/z 468 (M−H)−.

후처리

  1. stirringstirred overnight
  2. extractionextracted with ethyl acetate (2×50 mL)
  3. washThe combined organic layers were washed with brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. filtrationThe slurry was filtered
  6. customthe solvent removed under reduced pressure

출처 및 근거

ORD 기록
ord-7bfc90f8ea7846bfbc48a7d425687e9d
출처 데이터셋
uspto-grants-2011_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07902203B2

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