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Phenylacetyl isothiocyanate → 7-(2-Fluoro-4-(3-(2-phenylacetyl)thioureido)phenoxy)-N-(pyrrolidin-3-yl)thieno[3,2-b]pyridine-2-carboxamide

HRID 1261354
Notes
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Reaction equation

HRID 1261354 reaction equation
[NH2:1][C:2]1[CH:32]=[CH:31][C:5]([O:6][C:7]2[CH:12]=[CH:11][N:10]=[C:9]3[CH:13]=[C:14]([C:16]([NH:18][CH:19]4[CH2:23][CH2:22][N:21](C(OC(C)(C)C)=O)[CH2:20]4)=[O:17])[S:15][C:8]=23)=[C:4]([F:33])[CH:3]=1.[C:34]1([CH2:40][C:41]([N:43]=[C:44]=[S:45])=[O:42])[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1>C1COCC1.C(O)(C(F)(F)F)=O.C(Cl)Cl>[F:33][C:4]1[CH:3]=[C:2]([NH:1][C:44]([NH:43][C:41](=[O:42])[CH2:40][C:34]2[CH:35]=[CH:36][CH:37]=[CH:38][CH:39]=2)=[S:45])[CH:32]=[CH:31][C:5]=1[O:6][C:7]1[CH:12]=[CH:11][N:10]=[C:9]2[CH:13]=[C:14]([C:16]([NH:18][CH:19]3[CH2:23][CH2:22][NH:21][CH2:20]3)=[O:17])[S:15][C:8]=12
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 12454157Phenylacetyl isothiocyanateHCID 59424462tert-Butyl 3-(7-(4-amino-2-fluorophenoxy)thieno[3,2-b]pyridine-2-carboxamido)pyrrolidine-1-carboxylate

Product 1

HCID 594244267-(2-Fluoro-4-(3-(2-phenylacetyl)thioureido)phenoxy)-N-(pyrrolidin-3-yl)thieno[3,2-b]pyridine-2-carboxamideYield 80%

Reagents, catalysts & solvents 2

HCID 8028TetrahydrofuranSolvent
HCID 21863450
Trifluoroacetic acid methylene chloride
Solvent

Procedure

A solution of 290 (40 mg, 0.084 mmol) and 2-phenylacetyl isothiocyanate (22 mg, 0.126 mmol) in THF (2 mL) was stirred for 30 min. The solvent was removed under reduced pressure and the residue was purified by flash column chromatography (eluent EtOAc), to afford a solid material, which was dissolved in a mixture of TFA/DCM (0.5 mL/0.5 mL) and stirred at room temperature for 2 h. Solvents were removed under reduced pressure and the residue was purified by preparative HPLC (Aqusil C18, gradient eluent, 60-95% MeOH in water, 45 min) to afford the title compound 291 (8 mg, 80% yield) as an off-white solid. 1H NMR (d-DMSO) (ppm): 9.27(d, 1H), 8.57(d, 1H), 8.37(s, 1H), 8.30(s, 1H), 8.01(d, 1H), 7.53(m, 2H), 7.33-7.31(m, 4H), 7.29-7.25(m, 1H), 6.74(d, 1H), 4.46(m, 1H), 3.82(s, 2H), 3.11-3.03(m, 2H), 2.18-2.09(m, 2H), 1.93-1.89(m, 2H). MS (m/z): 550.2(M+H) (found).

Workup

  1. customThe solvent was removed under reduced pressure
  2. customthe residue was purified by flash column chromatography (eluent EtOAc)
  3. customto afford a solid material, which
  4. customSolvents were removed under reduced pressure
  5. customthe residue was purified by preparative HPLC (Aqusil C18, gradient eluent, 60-95% MeOH in water, 45 min)

Sources & evidence

ORD record
ord-a2466d9acec1498794fd65b484f4f557
Source dataset
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08470850B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes