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Triethylamine → 2-{-4-[2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-piperidin-1-yl}-ethanesulfonic acid dimethylamide

HRID 708246
Notes
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Reaction equation

HRID 708246 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].C(N(CC)CC)C.[CH3:43][N:44]([CH3:50])[S:45]([CH:48]=[CH2:49])(=[O:47])=[O:46]>>[CH3:43][N:44]([CH3:50])[S:45]([CH2:48][CH2:49][N:33]1[CH2:34][CH2:35][CH:30]([C:28]2[CH:27]=[CH:26][C:23]3[C:24]4[N:25]=[C:16]([C:15]5[N:11]([CH:8]([CH3:10])[CH3:9])[N:12]=[CH:13][N:14]=5)[S:17][C:18]=4[CH2:19][CH2:20][O:21][C:22]=3[CH:29]=2)[CH2:31][CH2:32]1)(=[O:47])=[O:46]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 3

HCID 8471TriethylamineHCID 19037148N,N-dimethylethene-1-sulfonamideHCID 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 582039912-{-4-[2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-piperidin-1-yl}-ethanesulfonic acid dimethylamideYield 74%

Procedure

To a solution of 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 (188 mg, 0.37 mmol) and triethylamine (0.18 mL, 1.3 mmol) in IMS (3 mL) was added ethenesulfonic acid dimethylamide and the reaction mixture stirred at RT for 18 h before being concentrated in vacuo. The resultant residue was subjected to flash chromatography (SiO2, gradient 0 to 5% MeOH in DCM) to give 499 as a beige solid (145 mg, 74%). LCMS: RT=3.47 min, [M+H]+=531. 1H NMR δ (ppm) (DMSO-d6): 8.23 (1H, d, J=8.19 Hz), 8.05 (1H, s), 7.04 (1H, dd, J=8.26, 1.80 Hz), 6.88 (1H, d, J=1.76 Hz), 5.82-5.72 (1H, m), 4.30 (2H, t, J=5.02 Hz), 3.37 (2H, t, J=5.04 Hz), 3.19 (2H, t, J=7.23 Hz), 2.95 (2H, d, J=10.97 Hz), 2.75 (6H, s), 2.65 (2H, t, J=7.25 Hz), 2.04 (2H, t, J=11.43 Hz), 1.75 (2H, d, J=12.62 Hz), 1.67-1.53 (2H, m), 1.50 (6H, d, J=6.58 Hz). 1H obscured by solvent

Workup

  1. concentrationbefore being concentrated in vacuo

Sources & evidence

ORD record
ord-ae0db8312b4c4479a0f5010a1e85d6c8
Source dataset
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09175009B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes