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Hydrochloric Acid → 2-{2-[5(4-Fluoro-phenyl)-3-(2,4,6-trifluoro-benzoyl)-2,3-dihydro [1,3,4]thiadiazol-2-yl]-phenoxymethyl}-furan-3-carboxylic acid

HRID 1046942
ノート
印刷プレビュー

反応式

HRID 1046942 の反応式
C[O:2][C:3]([C:5]1[CH:9]=[CH:8][O:7][C:6]=1[CH2:10][O:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=1[CH:18]1[N:22]([C:23](=[O:33])[C:24]2[C:29]([F:30])=[CH:28][C:27]([F:31])=[CH:26][C:25]=2[F:32])[N:21]=[C:20]([C:34]2[CH:39]=[CH:38][C:37]([F:40])=[CH:36][CH:35]=2)[S:19]1)=[O:4].[Li+].[OH-].Cl>C1COCC1.CO.O>[F:40][C:37]1[CH:36]=[CH:35][C:34]([C:20]2[S:19][CH:18]([C:13]3[CH:14]=[CH:15][CH:16]=[CH:17][C:12]=3[O:11][CH2:10][C:6]3[O:7][CH:8]=[CH:9][C:5]=3[C:3]([OH:4])=[O:2])[N:22]([C:23](=[O:33])[C:24]3[C:29]([F:30])=[CH:28][C:27]([F:31])=[CH:26][C:25]=3[F:32])[N:21]=2)=[CH:39][CH:38]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 313Hydrochloric AcidHCID 3939Lithium HydroxideHCID 672793392-{2-[5(4-Fluoro-phenyl)-3-(2,4,6-trifluoro-benzoyl)-2,3-dihydro-[1,3,4]thiadiazol-2-yl]-phenoxymethyl}-furan-3-carboxylic acid methyl ester

生成物 1

HCID 580256232-{2-[5(4-Fluoro-phenyl)-3-(2,4,6-trifluoro-benzoyl)-2,3-dihydro [1,3,4]thiadiazol-2-yl]-phenoxymethyl}-furan-3-carboxylic acid

試薬・触媒・溶媒 1

HCID 21892291
Methanol tetrahydrofuran water
溶媒

実験手順

To a solution of 2-{2-[5(4-fluoro-phenyl)-3-(2,4,6-trifluoro-benzoyl)-2,3-dihydro-[1,3,4]thiadiazol-2-yl]-phenoxymethyl}-furan-3-carboxylic acid methyl ester (0.49 mmol) in THF/MeOH/H2O (3:2:1), is added LiOH (3 N) (4.9 mmol). After stirring for 12 hours, the reaction is acidified with HCl (1 N) and extracted with ethyl acetate. The organic layer is dried over MgSO4, filtered, and concentrated. The residue is purified using preparative LC/MS to give 2-{2-[5(4-fluoro-phenyl)-3-(2,4,6-trifluoro-benzoyl)-2,3-dihydro-[1,3,4]thiadiazol-2-yl]-phenoxymethyl}-furan-3-carboxylic acid as a white solid: 1H NMR (400 MHz, CDCl3) δ 7.26-7.23 (m, 3H), 7.20 (d, J=1.9, 1H), 7.10-7.05 (m, 1H), 7.03-6.99 (m, 1H), 6.86 (d, J=8.1, 1H), 6.78-6.74 (m, 3H), 6.55 (d, J=1.9, 1H), 6.55-6.50 (m, 2H), 5.38-5.21 (m, 2H); LC/MS (ES+): 557.1 (M+1)+.

後処理

  1. extractionextracted with ethyl acetate
  2. dry with materialThe organic layer is dried over MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customThe residue is purified

出典と根拠

ORDレコード
ord-b864df30adb24acbaab817d888c2365d
出典データセット
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08569345B2

反応ノート

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