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Triethylamine → 2,2-dichloro-N-((1R,2S)-3-fluoro-1-hydroxy-1-(4-(5-(methylsulfonamidomethyl)thiophen-2-yl)phenyl)propan-2-yl)acetamide

HRID 1487438
Notes
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Reaction equation

HRID 1487438 reaction equation
[NH2:1][CH2:2][C:3]1[S:7][C:6]([C:8]2[CH:13]=[CH:12][C:11]([C@@H:14]([OH:24])[C@H:15]([NH:18][C:19](=[O:23])[CH:20]([Cl:22])[Cl:21])[CH2:16][F:17])=[CH:10][CH:9]=2)=[CH:5][CH:4]=1.C(N(CC)CC)C.[CH3:32][S:33](Cl)(=[O:35])=[O:34]>ClCCl>[Cl:21][CH:20]([Cl:22])[C:19]([NH:18][C@H:15]([CH2:16][F:17])[C@H:14]([OH:24])[C:11]1[CH:10]=[CH:9][C:8]([C:6]2[S:7][C:3]([CH2:2][NH:1][S:33]([CH3:32])(=[O:35])=[O:34])=[CH:4][CH:5]=2)=[CH:13][CH:12]=1)=[O:23]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 86695384N-((1R,2S)-1-(4-(5-(aminomethyl)thiophen-2-yl)phenyl)-3-fluoro-1-hydroxypropan-2-yl)-2,2-dichloroacetamide

Product 1

HCID 866953852,2-dichloro-N-((1R,2S)-3-fluoro-1-hydroxy-1-(4-(5-(methylsulfonamidomethyl)thiophen-2-yl)phenyl)propan-2-yl)acetamideYield 55.1%

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

To a suspension of N-((1R,2S)-1-(4-(5-(aminomethyl)thiophen-2-yl)phenyl)-3-fluoro-1-hydroxypropan-2-yl)-2,2-dichloroacetamide (150 mg, 0.383 mmol) in dichloromethane is added triethylamine (160 μL, 1.15 mmol) followed by methanesulfonyl chloride (30 μL, 0.383 mmol). Resulting yellow solution is stirred at room temperature for 30 minutes. The reaction is concentrated then purified using HPLC to give the title compound (99 mg): 1HNMR (400 MHz, DMSO-d6): δ 8.58 (d, 1H), 7.71 (t, 1H), 7.55 (d, 2H), 7.37 (d, 2H), 7.33 (d, 2H), 7.01 (d, 1H), 6.51 (s, 1H), 5.95 (br s, 1H), 4.85 (d, 1H), 4.71-4.52 (m, 1H), 4.44-4.13 (m, 4H), 2.89 (s, 3H).

Workup

  1. customResulting yellow solution
  2. concentrationThe reaction is concentrated
  3. customthen purified

Sources & evidence

ORD record
ord-e287ae1de289424db348c1835decf300
Source dataset
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09428528B2

Reaction notes

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