Triethylamine → (4-Fluoro-3-(trifluoromethyl)phenyl)(spiro[benzo[b]pyrrolo[1,2-d][1,4]oxazine-4,4'-piperidine]-1'-yl)methanone

HRID 2204241Notes

Reaction equation

HRID 2204241 reaction equation
[CH:1]1[N:9]2[C:4]([C:5]3([CH2:18][CH2:17][NH:16][CH2:15][CH2:14]3)[O:6][C:7]3[CH:13]=[CH:12][CH:11]=[CH:10][C:8]=32)=[CH:3][CH:2]=1.[F:19][C:20]1[CH:28]=[CH:27][C:23]([C:24](O)=[O:25])=[CH:22][C:21]=1[C:29]([F:32])([F:31])[F:30].C(N(CC)CC)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C>[F:19][C:20]1[CH:28]=[CH:27][C:23]([C:24]([N:16]2[CH2:17][CH2:18][C:5]3([O:6][C:7]4[CH:13]=[CH:12][CH:11]=[CH:10][C:8]=4[N:9]4[CH:1]=[CH:2][CH:3]=[C:4]34)[CH2:14][CH2:15]2)=[O:25])=[CH:22][C:21]=1[C:29]([F:30])([F:31])[F:32]

Participants

6

Reactant 4

HCID 8471TriethylamineHCID 5222684-Fluoro-3-(trifluoromethyl)benzoic acidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 58550727Spiro[benzo[b]pyrrolo[1,2-d][1,4]oxazine-4,4'-piperidine]

Product 1

HCID 58550866(4-Fluoro-3-(trifluoromethyl)phenyl)(spiro[benzo[b]pyrrolo[1,2-d][1,4]oxazine-4,4'-piperidine]-1'-yl)methanoneYield 73%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

Spiro[piperidine-4,4′-pyrrolo[2,1-c][1,4]benzoxazine] (100 mg, 0.361 mmol), 4-fluoro-3-(trifluoromethyl)benzoic acid (75.2 mg, 0.361 mmol), and triethylamine (110 mg, 151 μL, 1.08 mmol) were combined in DMF (3 mL) and HATU (137 mg, 0.361 mmol) was added. The reaction was stirred at room temperature for 1 h and was concentrated. The residue was purified by column chromatography (silica gel: 0-50% ethyl acetate in hexanes) to give (4-fluoro-3-(trifluoromethyl)phenyl)(spiro[benzo[b]pyrrolo[1,2-d][1,4]oxazine-4,4′-piperidine]-1′-yl)methanone (113 mg, 73%). ESI-MS m/z calc. 430.1, found 431.1 (M+1)+; Retention time: 2.24 minutes (4 min run).

Workup

  1. concentrationwas concentrated
  2. customThe residue was purified by column chromatography (silica gel: 0-50% ethyl acetate in hexanes)

Sources & evidence

ORD record
ord-68872e74d4c74420b68f3338d1ade4e5
Source dataset
uspto-grants-2016_06
Patent number
US09365588B2

Reaction notes

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