Hydrochloric Acid → HCID 86712946, compound

HRID 1424097Notes

Reaction equation

HRID 1424097 reaction equation
[Si]([O:8][CH2:9][C:10]1([CH3:37])[S:16][CH2:15][CH2:14][N:13]2[C:17]([C:20]3([C:23]4[CH:28]=[CH:27][C:26]([C:29]5[CH:30]=[N:31][CH:32]=[C:33]([CH:36]=5)[C:34]#[N:35])=[CH:25][CH:24]=4)[CH2:22][CH2:21]3)=[N:18][N:19]=[C:12]2[CH2:11]1)(C(C)(C)C)(C)C.Cl>CO>[OH:8][CH2:9][C:10]1([CH3:37])[S:16][CH2:15][CH2:14][N:13]2[C:17]([C:20]3([C:23]4[CH:24]=[CH:25][C:26]([C:29]5[CH:30]=[N:31][CH:32]=[C:33]([CH:36]=5)[C:34]#[N:35])=[CH:27][CH:28]=4)[CH2:22][CH2:21]3)=[N:18][N:19]=[C:12]2[CH2:11]1

Participants

4

Reactant 2

HCID 313Hydrochloric AcidHCID 86712945HCID 86712945, compound

Product 1

HCID 86712946HCID 86712946, compoundYield 87.3%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

A solution of the compound (238 mg, 0.45 mmol) obtained in Example 62-1) and 4 M hydrochloric acid (1,4-dioxane solution, 1 mL) in methanol (4 mL) was stirred at room temperature for 15 h. The reaction mixture was concentrated under reduced pressure, saturated aqueous sodium hydrogencarbonate was added to the residue, the mixture was extracted with dichloromethane, and the organic layer was washed with saturated sodium chloride solution and dried with anhydrous sodium sulfate. After filtration, the filtrate was concentrated under reduced pressure, and the residue was purified by silica gel chromatography (Isco Combiflash, 12 g, methanol:ethyl acetate=0:100 to 40:60, gradient) to obtain the title compound (164 mg, 39%) as a colorless solid.

Workup

  1. concentrationThe reaction mixture was concentrated under reduced pressure, saturated aqueous sodium hydrogencarbonate
  2. additionwas added to the residue
  3. extractionthe mixture was extracted with dichloromethane
  4. washthe organic layer was washed with saturated sodium chloride solution
  5. dry with materialdried with anhydrous sodium sulfate
  6. filtrationAfter filtration
  7. concentrationthe filtrate was concentrated under reduced pressure
  8. customthe residue was purified by silica gel chromatography (Isco Combiflash, 12 g, methanol:ethyl acetate=0:100 to 40:60, gradient)

Sources & evidence

ORD record
ord-d4beb1327b7f40da8942db30e61cda74
Source dataset
uspto-grants-2015_01
Patent number
US08927536B2

Reaction notes

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