Hydrochloric Acid → HCID 178457749, compound

HRID 501229Notes

Reaction equation

HRID 501229 reaction equation
[CH3:1][C:2]([NH:10][C:11]([C:13]1[S:14][C:15]2[N:20](C(OC(C)(C)C)=O)[N:19]=[C:18]([NH:28][C:29](=[O:42])[C:30]3[CH:35]=[CH:34][C:33]([N:36]4[CH2:41][CH2:40][O:39][CH2:38][CH2:37]4)=[CH:32][CH:31]=3)[C:16]=2[N:17]=1)=[O:12])([C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1)[CH3:3].Cl.[Cl-].[Na+]>C(O)C.O1CCOCC1>[CH3:3][C:2]([NH:10][C:11]([C:13]1[S:14][C:15]2[NH:20][N:19]=[C:18]([NH:28][C:29](=[O:42])[C:30]3[CH:35]=[CH:34][C:33]([N:36]4[CH2:41][CH2:40][O:39][CH2:38][CH2:37]4)=[CH:32][CH:31]=3)[C:16]=2[N:17]=1)=[O:12])([C:4]1[CH:5]=[CH:6][CH:7]=[CH:8][CH:9]=1)[CH3:1]

Participants

6

Reactant 3

HCID 313Hydrochloric Acid2×HCID 5234Sodium ChlorideHCID 68462978tert-butyl 5-(1-methyl-1-phenylethylcarbamoyl)-3-(4-morpholin-4-ylbenzoylamino)-1H-pyrazolo[4,3-d]thiazole-1-carboxylate

Product 1

HCID 178457749HCID 178457749, compoundYield 61.8%

Reagents, catalysts & solvents 2

HCID 702EthanolSolventHCID 312751,4-DioxaneSolvent2×

Conditions

Temperature
25 °C

Procedure

0.19 g (0.32 mmol) of tert-butyl 5-(1-methyl-1-phenylethylcarbamoyl)-3-(4-morpholin-4-ylbenzoylamino)-1H-pyrazolo[4,3-d]thiazole-1-carboxylate dissolved in 7 ml of ethanol is placed in a 50 ml round-bottomed flask. 1.6 ml (6.4 mmol) of a 4M solution of hydrochloric acid in dioxane are then added and the reaction mixture is stirred for 15 hours at 25° C. A further 1.6 ml (6.4 mmol) of a 4M solution of hydrochloric acid in dioxane are then added and the mixture is stirred for 15 hours at 25° C. The reaction medium is then concentrated to dryness under reduced pressure (40° C.) and the residue is taken up in 40 ml of dichloromethane and 40 ml of water, and basified with 0.1N sodium hydroxide solution. The emulsion obtained is resorbed by saturation with sodium chloride. After separation of the phases by settling, the organic phase is dried over magnesium sulfate and concentrated to dryness under reduced pressure (40° C.). The yellow residue is purified by flash chromatography (msilica=30 g; eluent: 97/3 dichloromethane/methanol). 0.097 g of N-(1-methyl-1-phenylethyl)-3-(4-morpholin-4-ylbenzoylamino)-1H-pyrazolo[4,3-d]thiazole-5-carboxamide is thus obtained in the form of a yellow foam. m.p.K=266° C. 1H NMR (400 MHz, DMSO-d6): δ ppm 1.70 (s, 6H); 3.29 (masked m, 4H); 3.75 (m, 4H); 7.04 (d, J=8.5 Hz, 2H); 7.20 (t, J=7.5 Hz, 1H); 7.31 (t, J=7.5 Hz, 2H); 7.41 (d, J=7.5 Hz, 2H); 7.99 (d, J=8.5 Hz, 2H); 8.50 (broad s, 1H); 10.8 (broad m, 1H); 13.6 (broad m, 1H).

Workup

  1. customis placed in a 50 ml round-bottomed flask
  2. stirringthe mixture is stirred for 15 hours at 25° C
  3. concentrationThe reaction medium is then concentrated to dryness under reduced pressure (40° C.)
  4. customThe emulsion obtained
  5. customAfter separation of the phases
  6. dry with materialthe organic phase is dried over magnesium sulfate
  7. concentrationconcentrated to dryness under reduced pressure (40° C.)
  8. customThe yellow residue is purified by flash chromatography (msilica=30 g; eluent: 97/3 dichloromethane/methanol)

Sources & evidence

ORD record
ord-5f9af2525ce448ab9b3cb70afd573254
Source dataset
uspto-grants-2010_08
Patent number
US07772261B2

Reaction notes

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