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Lithium hydroxide, monohydrate → 3-((2-Tert-butoxycarbonylamino-2-methyl-3-phenylpropoxy)methyl)-5-(1-cyanocyclopentyl)benzoic acid

HRID 899463
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HRID 899463 반응식
[C:1]([O:5][C:6]([NH:8][C:9]([CH3:38])([CH2:31][C:32]1[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=1)[CH2:10][O:11][CH2:12][C:13]1[CH:14]=[C:15]([CH:21]=[C:22]([C:24]2([C:29]#[N:30])[CH2:28][CH2:27][CH2:26][CH2:25]2)[CH:23]=1)[C:16]([O:18]CC)=[O:17])=[O:7])([CH3:4])([CH3:3])[CH3:2].O[Li].O>C1COCC1.O>[C:1]([O:5][C:6]([NH:8][C:9]([CH3:38])([CH2:31][C:32]1[CH:33]=[CH:34][CH:35]=[CH:36][CH:37]=1)[CH2:10][O:11][CH2:12][C:13]1[CH:14]=[C:15]([CH:21]=[C:22]([C:24]2([C:29]#[N:30])[CH2:28][CH2:27][CH2:26][CH2:25]2)[CH:23]=1)[C:16]([OH:18])=[O:17])=[O:7])([CH3:4])([CH3:2])[CH3:3]
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참가 물질

5

반응물 2

HCID 168937Lithium hydroxide, monohydrate2회HCID 67319292Ethyl 3-((2-tert-butoxycarbonylamino-2-methyl-3-phenylpropoxy)methyl)-5-(1-cyanocyclopentyl)benzoate

생성물 1

HCID 673191833-((2-Tert-butoxycarbonylamino-2-methyl-3-phenylpropoxy)methyl)-5-(1-cyanocyclopentyl)benzoic acid

시약·촉매·용매 2

HCID 962Water용매HCID 8028
Tetrahydrofuran
용매

실험 절차

A solution of ethyl 3-((2-tert-butoxycarbonylamino-2-methyl-3-phenylpropoxy)methyl)-5-(1-cyanocyclopentyl)benzoate (0.13 g, 0.25 mmol) and LiOH.H2O (31 mg, 0.75 mmol) in 6.5 mL THF and 2.5 mL H2O was stirred at rt overnight. Additional LiOH.H2O (25 mg, 0.60 mmol) was added and the reaction was continued for 64 h. The mixture was concentrated, diluted with H2O, made acidic with 10% citric acid solution and extracted with EtOAc. The combined organic layers were washed with brine. Drying and solvent evaporation gave 3-((2-tert-butoxycarbonylamino-2-methyl-3-phenylpropoxy)methyl)-5-(1-cyanocyclopentyl)benzoic acid. 1H NMR (500 MHz, CDCl3) δ 8.09 (app d, J=1.5 Hz, 1H), 8.04 (s, 1H), 7.74 (s, 1H), 7.28-7.20 (m, 3H), 7.17 (m, 2H), 4.62 (s, 3H), 3.58 (bs, 1H), 3.48 (d, J=8.5 Hz, 1H), 3.15 (d, J=12.9 Hz, 1H), 2.95 (d, J=13.2 Hz, 1H), 2.54 (m, 2H), 2.14-1.96 (m, 6H), 1.47 (s, 9H), 1.28 (s, 3H).

후처리

  1. concentrationThe mixture was concentrated
  2. additiondiluted with H2O
  3. extractionextracted with EtOAc
  4. washThe combined organic layers were washed with brine
  5. customDrying
  6. customsolvent evaporation

출처 및 근거

ORD 기록
ord-2a117f74145442efa7996667c25b9e43
출처 데이터셋
uspto-grants-2008_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07354942B2

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