Acetic Acid → HCID 25099726, compound

HRID 1809577Notes

Reaction equation

HRID 1809577 reaction equation
[O:1]([C:8]1[C:9]([NH:21][C:22]2[S:26][N:25]=[C:24]([CH:27]3[CH2:32][CH2:31][NH:30][CH2:29][CH2:28]3)[N:23]=2)=[N:10][CH:11]=[C:12]([S:14][C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][N:16]=2)[CH:13]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.N1C=CC=CC=1.C(O)(=O)C.[O-:43][C:44]#[N:45].[K+].[ClH:47]>C(Cl)Cl.O>[ClH:47].[ClH:47].[O:1]([C:8]1[C:9]([NH:21][C:22]2[S:26][N:25]=[C:24]([CH:27]3[CH2:32][CH2:31][N:30]([C:44]([NH2:45])=[O:43])[CH2:29][CH2:28]3)[N:23]=2)=[N:10][CH:11]=[C:12]([S:14][C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][N:16]=2)[CH:13]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1

Participants

8

Reactant 5

HCID 176Acetic AcidHCID 313Hydrochloric AcidHCID 1049PyridineHCID 11378442Potassium cyanateHCID 577427923-Phenoxy-N-(3-(piperidin-4-yl)-1,2,4-thiadiazol-5-yl)-5-(pyridin-2-ylthio)pyridin-2-amine

Product 1

HCID 25099726HCID 25099726, compoundYield 48.4%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6344DichloromethaneSolvent

Procedure

To a solution of N-(3-phenoxy-5-(pyridin-2-ylthio)pyridin-2-yl)-3-(piperidin-4-yl)-1,2,4-thiadiazol-5-amine (Example 34, Step C, 0.055 g, 0.119 mmol) in CH2Cl2 (4 mL) was added pyridine (0.0940 g, 1.19 mmol), acetic acid (0.0714 g, 1.19 mmol), TEA (0.033 mL, 0.238 mmol), and potassium cyanate (0.0193 g, 0.238 mmol). The reaction was stirred for 18 hours. Water was added and the reaction was extracted with CH2Cl2. The organic layer was dried, filtered, and concentrated. The residue was purified by silica gel (1-4% MeOH in CH2Cl2) to give the title compound (0.0333 g, 48.4% yield) after HCl salt formation. 1H NMR (d6-DMSO) δ 12.33 (s, 1H), 8.39 (d, 1H), 8.37 (m, 1H), 7.67 (dt, 1H), 7.47 (d, 1H), 7.42 (t, 2H), 7.21-7.11 (m, 5H), 3.94 (d, 2H), 2.97 (m, 1H), 2.83 (t, 2H), 1.19 (m, 2H), 1.64 (m, 2H).

Workup

  1. extractionthe reaction was extracted with CH2Cl2
  2. customThe organic layer was dried
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customThe residue was purified by silica gel (1-4% MeOH in CH2Cl2)

Sources & evidence

ORD record
ord-f02d97aec2544160b98e89c81a293b77
Source dataset
uspto-grants-2013_01
Patent number
US08362037B2

Reaction notes

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