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Hydrochloric Acid → (+/-)-3-(6-(1-(2,6-Dimethyl-4'-(trifluoromethyl)biphenyl-4-ylamino)-3-methylbutyl)nicotinamido)propanoic acid

HRID 2406940
ノート
印刷プレビュー

反応式

HRID 2406940 の反応式
[CH3:1][C:2]1[CH:7]=[C:6]([NH:8][CH:9]([C:14]2[CH:28]=[CH:27][C:17]([C:18]([NH:20][CH2:21][CH2:22][C:23]([O:25]C)=[O:24])=[O:19])=[CH:16][N:15]=2)[CH2:10][CH:11]([CH3:13])[CH3:12])[CH:5]=[C:4]([CH3:29])[C:3]=1[C:30]1[CH:35]=[CH:34][C:33]([C:36]([F:39])([F:38])[F:37])=[CH:32][CH:31]=1.[Li+].[OH-].Cl>O.O1CCCC1>[CH3:1][C:2]1[CH:7]=[C:6]([NH:8][CH:9]([C:14]2[CH:28]=[CH:27][C:17]([C:18]([NH:20][CH2:21][CH2:22][C:23]([OH:25])=[O:24])=[O:19])=[CH:16][N:15]=2)[CH2:10][CH:11]([CH3:13])[CH3:12])[CH:5]=[C:4]([CH3:29])[C:3]=1[C:30]1[CH:35]=[CH:34][C:33]([C:36]([F:39])([F:38])[F:37])=[CH:32][CH:31]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 313Hydrochloric AcidHCID 3939Lithium HydroxideHCID 67981001Methyl 3-(6-(1-(2,6-dimethyl-4'-(trifluoromethyl)biphenyl-4-ylamino)-3-methylbutyl)nicotinamido)propanoate

生成物 1

HCID 57389840(+/-)-3-(6-(1-(2,6-Dimethyl-4'-(trifluoromethyl)biphenyl-4-ylamino)-3-methylbutyl)nicotinamido)propanoic acid収率 13%

試薬・触媒・溶媒 2

HCID 962
Water
溶媒
HCID 8028Tetrahydrofuran溶媒

実験手順

Methyl 3-(6-(1-(2,6-dimethyl-4′-(trifluoromethyl) biphenyl-4-yl amino)-3-methylbutyl)nicotinamido)propanoate (400 mg, 0.74 mmol) was dissolved in H2O (3 mL) and tetrahydrofuran (3 mL). Then 1N LiOH (93.0 mg, 2.2 mmol) was added. The mixture was stirred at ambient temperature for 5 hours. The mixture was neutralized with 1N HCl and extracted with ethyl acetate. The organic layer was dried over sodium sulfate, filtered and concentrated. Purification by HPLC (column: Boston Analytics Symmetrix ODS-H 150×30 mm, 5 μm; modifier: formic acid 0.225%; gradient: 10 to 80% MeCN in water) gave (+/−)-3-(6-(1-(2,6-dimethyl-4′-(trifluoromethyl)biphenyl-4-ylamino)-3-methylbutyl)nicotinamido)propanoic acid (50.7 mg, 13%) as a yellow solid. 1H NMR (400 MHz, CD3CN, δ): 8.85 (s, 1H), 8.02 (m, 1H), 7.64 (d, 2H), 7.46 (d, 1H), 7.22 (d, 3H), 6.32 (s, 2H), 4.59 (m, 1H), 3.54 (m, 2H), 2.55 (m, 2H), 1.93 (m, 6H), 1.78 (s, 2H), 1.72 (m, 2H), 1.60 (m, 1H), 0.96 (d, 3H), 0.91 (d, 3H). MS (M+1): 528.2.

後処理

  1. extractionextracted with ethyl acetate
  2. dry with materialThe organic layer was dried over sodium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customPurification by HPLC (column: Boston Analytics Symmetrix ODS-H 150×30 mm, 5 μm; modifier: formic acid 0.225%; gradient: 10 to 80% MeCN in water)

出典と根拠

ORDレコード
ord-fe66cf4a6cad41c5a36c58b430b578f4
出典データセット
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08809342B2

反応ノート

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