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Hydrochloric Acid → 2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-8-piperidin-4-yl-4,5-dihydro-6-oxa-1,3a,9-triaza-benzo[e]azulene hydrochloride

HRID 886116
Notes
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Reaction equation

HRID 886116 reaction equation
C(OC([N:8]1[CH2:13][CH2:12][CH:11]([C:14]2[N:35]=[CH:34][C:17]3[C:18]4[N:22]([CH2:23][CH2:24][O:25][C:16]=3[CH:15]=2)[CH:21]=[C:20]([C:26]2[N:27]([CH:31]([CH3:33])[CH3:32])[N:28]=[CH:29][N:30]=2)[N:19]=4)[CH2:10][CH2:9]1)=O)(C)(C)C.[ClH:36]>C(Cl)Cl.CO.O1CCOCC1>[ClH:36].[CH:31]([N:27]1[C:26]([C:20]2[N:19]=[C:18]3[N:22]([CH2:23][CH2:24][O:25][C:16]4[CH:15]=[C:14]([CH:11]5[CH2:12][CH2:13][NH:8][CH2:9][CH2:10]5)[N:35]=[CH:34][C:17]=43)[CH:21]=2)=[N:30][CH:29]=[N:28]1)([CH3:33])[CH3:32]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 2

HCID 313Hydrochloric AcidHCID 582045224-[2(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a,9-triaza-benzo[e]azulen-8-yl]-piperidine-1-carboxylic acid tert-butyl ester

Product 1

HCID 670506232-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-8-piperidin-4-yl-4,5-dihydro-6-oxa-1,3a,9-triaza-benzo[e]azulene hydrochlorideYield 100%

Reagents, catalysts & solvents 3

HCID 887MethanolSolvent
HCID 6344DichloromethaneSolvent
HCID 312751,4-DioxaneSolvent

Procedure

A solution of 4-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a,9-triaza-benzo[e]azulen-8-yl]-piperidine-1-carboxylic acid tert-butyl ester (58 mg, 0.12 mmol) in DCM (0.5 mL) and methanol (0.3 mL) was treated with 4M HCl in dioxane (0.8 mL) and the reaction mixture stirred at RT for 1.5 h before being concentrated in vacuo. The resultant residue was triturated with diethyl ether to give 2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-8-piperidin-4-yl-4,5-dihydro-6-oxa-1,3a,9-triaza-benzo[e]azulene hydrochloride (66 mg, 100%). LCMS RT=1.68 min, [M+H]+=380

Workup

  1. concentrationbefore being concentrated in vacuo
  2. customThe resultant residue was triturated with diethyl ether

Sources & evidence

ORD record
ord-ab55a3b6d08042239ff96c1ddf612c8e
Source dataset
uspto-grants-2012_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08242104B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes