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Methanol → 2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-8-[1-(2-methanesulfonyl-ethyl)-piperidin-4-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene

HRID 1849399
Notes
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Reaction equation

HRID 1849399 reaction equation
OC(C(F)(F)F)=O.[CH:8]([N:11]1[C:15]([C:16]2[S:17][C:18]3[CH2:19][CH2:20][O:21][C:22]4[CH:29]=[C:28]([CH:30]5[CH2:35][CH2:34][NH:33][CH2:32][CH2:31]5)[CH:27]=[CH:26][C:23]=4[C:24]=3[N:25]=2)=[N:14][CH:13]=[N:12]1)([CH3:10])[CH3:9].[CH:36]([S:38]([CH3:41])(=[O:40])=[O:39])=[CH2:37].C(Cl)Cl.CO>O.C(O)C>[CH:8]([N:11]1[C:15]([C:16]2[S:17][C:18]3[CH2:19][CH2:20][O:21][C:22]4[CH:29]=[C:28]([CH:30]5[CH2:35][CH2:34][N:33]([CH2:37][CH2:36][S:38]([CH3:41])(=[O:40])=[O:39])[CH2:32][CH2:31]5)[CH:27]=[CH:26][C:23]=4[C:24]=3[N:25]=2)=[N:14][CH:13]=[N:12]1)([CH3:10])[CH3:9]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 887MethanolHCID 6344DichloromethaneHCID 19354Methyl vinyl sulfoneHCID 866523172-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-8-piperidin-4-yl-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene TFA salt

Product 1

HCID 582042212-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-8-[1-(2-methanesulfonyl-ethyl)-piperidin-4-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene
Yield 71%

Reagents, catalysts & solvents 2

HCID 702EthanolSolventHCID 962WaterSolvent

Procedure

Following the procedure for 320, 2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-8-piperidin-4-yl-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene TFA salt 375 and methyl vinyl sulfone were reacted, with added DCM to aid dissolution. Addition of a mixture of methanol, ethanol and water followed by removal in vacuo of the DCM precipitated the product from the reaction mixture. The resulting solid was collected by filtration to give 476 as an off-white solid (175 mg, 71%). LCMS: RT=3.30 min, [M+H]+=502. 1H NMR δ (ppm) (DMSO-d6): 8.23 (1 H, d, J=8.20 Hz), 8.05 (1 H, s), 7.05 (1 H, dd, J=8.25, 1.78 Hz), 6.89 (1 H, d, J=1.74 Hz), 5.82-5.72 (1 H, m), 4.33-4.27 (2 H, m), 3.37 (2 H, t, J=5.06 Hz), 3.02 (3 H, s), 2.97 (2 H, s), 2.70 (2 H, s), 2.03 (2 H, s), 1.75 (2 H, d, J=12.38 Hz), 1.67-1.55 (2 H, m), 1.50 (6 H, d, J=6.59 Hz). 3 Protons obscurred by solvent peaks

Workup

  1. dissolutiondissolution
  2. customfollowed by removal in vacuo of the DCM
  3. customprecipitated the product from the reaction mixture
  4. filtrationThe resulting solid was collected by filtration

Sources & evidence

ORD record
ord-7651a9b8f89f4c368bbf03c12ed5f9e4
Source dataset
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08952043B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes