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Hydrochloric Acid → 4'-{1-[8-(Hydroxymethyl)-8-methyl-5,6,8,9-tetrahydro[1,2,4]triazolo[4,3-d][1,4]thiazepine-3-yl]cyclopropyl}-N,N-dimethylbiphenyl-4-carboxamide

HRID 1423986
Notes
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Reaction equation

HRID 1423986 reaction equation
[Si]([O:8][CH2:9][C:10]1([CH3:40])[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:34]=[CH:33][C:32]([C:35]([N:37]([CH3:39])[CH3:38])=[O:36])=[CH:31][CH:30]=5)=[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([CH3:40])[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]=[CH:31][C:32]([C:35]([N:37]([CH3:39])[CH3:38])=[O:36])=[CH:33][CH:34]=5)=[CH:27][CH:28]=4)[CH2:22][CH2:21]3)=[N:18][N:19]=[C:12]2[CH2:11]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 313Hydrochloric AcidHCID 867128444'-{1-[8-({[Tert-butyl(dimethyl)silyl]oxy}methyl)-8-methyl-5,6,8,9-tetrahydro[1,2,4]triazolo[4,3-d][1,4]thiazepine-3-yl]cyclopropyl}-N,N-dimethylbiphenyl-4-carboxamide

Product 1

HCID 714660164'-{1-[8-(Hydroxymethyl)-8-methyl-5,6,8,9-tetrahydro[1,2,4]triazolo[4,3-d][1,4]thiazepine-3-yl]cyclopropyl}-N,N-dimethylbiphenyl-4-carboxamideYield 55%

Reagents, catalysts & solvents 1

HCID 887
Methanol
Solvent

Procedure

A solution of the compound (318 mg, 0.55 mmol) obtained in Example 6-1) and 4 M hydrochloric acid (1,4-dioxane solution, 0.69 mL) in methanol (2 mL) was stirred at room temperature for 21 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 30:70, gradient) to obtain the title compound (140 mg, 55%) 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 30:70, gradient)

Sources & evidence

ORD record
ord-68b290ece92342d983f972b118ddf581
Source dataset
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08927536B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes