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3-(Trifluoromethoxy)benzoic acid → (2Z)-2-(3-butyl-5-methyl-1,3,4-thiadiazol-2(3H)-ylidene)-1-[3-(trifluoromethoxy)phenyl]ethanone

HRID 448049
ノート
印刷プレビュー

反応式

HRID 448049 の反応式
[F:1][C:2]([F:14])([F:13])[O:3][C:4]1[CH:5]=[C:6]([CH:10]=[CH:11][CH:12]=1)[C:7]([OH:9])=O.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C.[I-].[CH2:49]([N+:53]1[N:57]=[C:56]([CH3:58])[S:55][C:54]=1[CH3:59])[CH2:50][CH2:51][CH3:52]>>[CH2:49]([N:53]1[N:57]=[C:56]([CH3:58])[S:55]/[C:54]/1=[CH:59]\[C:7]([C:6]1[CH:10]=[CH:11][CH:12]=[C:4]([O:3][C:2]([F:1])([F:14])[F:13])[CH:5]=1)=[O:9])[CH2:50][CH2:51][CH3:52]
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 4

HCID 660963-(Trifluoromethoxy)benzoic acidHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 691879173-Butyl-2,5-dimethyl-1,3,4-thiadiazol-3-ium iodide

生成物 1

HCID 24956062(2Z)-2-(3-butyl-5-methyl-1,3,4-thiadiazol-2(3H)-ylidene)-1-[3-(trifluoromethoxy)phenyl]ethanone

実験手順

In a 20 mL vial 3-(trifluoromethoxy)benzoic acid (0.9 mL of 0.2 M in DMA, 1.10 equiv) was added followed by the addition of HATU (76 mg in 0.7 mL of DMA, 0.2 mmol, 1.20 equiv.), DIEA (51 mg in 0.7 mL of DMA, 0.4 mmol, 2.40 equiv.), and finally 3-butyl-2,5-dimethyl-1,3,4-thiadiazol-3-ium iodide (49 mg in 0.7 mL of DMA, 0.17 mmol, 1 equiv.). The mixture was shaken overnight at room temperature and then concentrated in vacuo. The resulting residue was taken up in 1:1 DMSO/MeOH and purified by reverse phase HPLC using a method analogous to that described in Example 53 to provide the title compound. 1H NMR (500 MHz, DMSO-d6/D2O) δ ppm 0.90 (t, 3H) 1.27-1.42 (m, 2 H) 1.69-1.80 (m, 2 H) 2.49 (s, 3 H) 4.27 (t, 2 H) 6.78 (s, 1 H) 7.43-7.53 (m, 1 H) 7.58-7.65 (m, 1 H) 7.92 (s, 1 H) 8.03-8.11 (m, 1 H); MS (ESI) m/z 359 (M+H)+.

後処理

  1. concentrationconcentrated in vacuo
  2. custompurified by reverse phase HPLC

出典と根拠

ORDレコード
ord-aff208a78a8648fdbe77b90673cee48e
出典データセット
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08481574B2

反応ノート

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