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2-Chloro-5-((2,2,2-trifluoroacetamido)methyl)benzoyl isocyanate → methyl 4-(3-(2-chloro-5-((2,2,2-trifluoroacetamido) methyl)phenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)benzoate

HRID 59305
Notes
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Reaction equation

HRID 59305 reaction equation
[Cl:1][C:2]1[CH:12]=[CH:11][C:10]([CH2:13][NH:14][C:15](=[O:20])[C:16]([F:19])([F:18])[F:17])=[CH:9][C:3]=1[C:4]([N:6]=[C:7]=[O:8])=O.[CH3:21][O:22][C:23]([C:25]1[CH:30]=[CH:29][C:28]([NH:31][NH:32]C(OC(C)(C)C)=O)=[CH:27][CH:26]=1)=[O:24]>C(O)(C(F)(F)F)=O.C(Cl)Cl>[Cl:1][C:2]1[CH:12]=[CH:11][C:10]([CH2:13][NH:14][C:15](=[O:20])[C:16]([F:19])([F:18])[F:17])=[CH:9][C:3]=1[C:4]1[NH:6][C:7](=[O:8])[N:31]([C:28]2[CH:27]=[CH:26][C:25]([C:23]([O:22][CH3:21])=[O:24])=[CH:30][CH:29]=2)[N:32]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 900192862-Chloro-5-((2,2,2-trifluoroacetamido)methyl)benzoyl isocyanateHCID 90065642tert-Butyl 2-(4-(methoxycarbonyl)phenyl) hydrazinecarboxylate

Product 1

HCID 136492564methyl 4-(3-(2-chloro-5-((2,2,2-trifluoroacetamido) methyl)phenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)benzoateYield 75.2%

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolvent
HCID 6422
Trifluoroacetic acid
Solvent

Procedure

The title compound was prepared according to the procedure described in step-1 and step-2 of Intermediate-9 by using 2-chloro-5-((2,2,2-trifluoroacetamido)methyl)benzoyl isocyanate (step-3 of Intermediate-26, 1.300 g, 4.2 mmol) and tert-butyl 2-[4-(methoxycarbonyl)phenyl]hydrazinecarboxylate (Intermediate-7, 1.150 g, 3.8 mmol) in TFA (5-7 mL) and DCM (40 mL). The reaction mass was quenched with water and extracted with DCM. The organic layer was dried over anhydrous sodium sulphate and concentrated to afford 1.300 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 3.84 (s, 3H), 4.44 (d, J=5.7 Hz, 2H), 7.49 (t, 1H), 7.66 (d, J=8.7 Hz, 2H), 8.04-8.13 (m, 4H), 10.07 (m, 1H), 12.69 (s, 1H); MS (m/z): 453.14 (M−H)−.

Workup

  1. customThe title compound was prepared
  2. customThe reaction mass was quenched with water
  3. extractionextracted with DCM
  4. dry with materialThe organic layer was dried over anhydrous sodium sulphate
  5. concentrationconcentrated

Sources & evidence

ORD record
ord-44c396778d8f44da94996da69c3e5116
Source dataset
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09439890B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes