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Triethylamine → [Bis-(4-methoxy-phenyl)-phenyl-methyl]-[(2R,5R)-5-(6-bromo-3-fluoro-pyridin-2-yl)-2,5-dimethyl-2-trifluoromethyl-5,6-dihydro-2H-[1,4]oxazin-3-yl]-amine

HRID 925464
Notes
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Reaction equation

HRID 925464 reaction equation
[Br:1][C:2]1[N:7]=[C:6]([C@:8]2([CH3:20])[CH2:13][O:12][C@@:11]([CH3:18])([C:14]([F:17])([F:16])[F:15])[C:10]([NH2:19])=[N:9]2)[C:5]([F:21])=[CH:4][CH:3]=1.[C:22](Cl)([C:39]1[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=1)([C:31]1[CH:38]=[CH:37][C:34]([O:35][CH3:36])=[CH:33][CH:32]=1)[C:23]1[CH:30]=[CH:29][C:26]([O:27][CH3:28])=[CH:25][CH:24]=1.C(N(CC)CC)C>C(Cl)Cl>[CH3:36][O:35][C:34]1[CH:33]=[CH:32][C:31]([C:22]([NH:19][C:10]2[C@:11]([CH3:18])([C:14]([F:15])([F:17])[F:16])[O:12][CH2:13][C@:8]([C:6]3[C:5]([F:21])=[CH:4][CH:3]=[C:2]([Br:1])[N:7]=3)([CH3:20])[N:9]=2)([C:23]2[CH:24]=[CH:25][C:26]([O:27][CH3:28])=[CH:29][CH:30]=2)[C:39]2[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=2)=[CH:38][CH:37]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 968311,1'-(Chlorophenylmethylene)bis(4-methoxybenzene)HCID 86668039(2R,5R)-5-(6-bromo-3-fluoro-pyridin-2-yl)-2,5-dimethyl-2-trifluoromethyl-5,6-dihydro-2H-[1,4]oxazin-3-ylamine

Product 1

HCID 89500352[Bis-(4-methoxy-phenyl)-phenyl-methyl]-[(2R,5R)-5-(6-bromo-3-fluoro-pyridin-2-yl)-2,5-dimethyl-2-trifluoromethyl-5,6-dihydro-2H-[1,4]oxazin-3-yl]-amine

Reagents, catalysts & solvents

1
HCID 6344DichloromethaneSolvent

Procedure

To a solution of (2R,5R)-5-(6-bromo-3-fluoro-pyridin-2-yl)-2,5-dimethyl-2-trifluoromethyl-5,6-dihydro-2H-[1,4]oxazin-3-ylamine (500 mg, 1.35 mmol, CAS registry 1387561-18-3, WO 2012/095469) in DCM (13.5 ml) was added DMTr-Cl (0.481 g, 1.418 mmol) and triethylamine (0.374 ml, 2.70 mmol), the reaction mixture was stirred under argon at rt for 18 h. The reaction mixture was washed with NaHCO3 saturated aqueous solution and brine. The organic layers were backextracted with DCM. The combined organic layer were dried with Na2SO4. The residue was purified by chromatography (eluent: CyHex/EtOAc gradient) to afford the title compound.

Workup

  1. washThe reaction mixture was washed with NaHCO3 saturated aqueous solution and brine
  2. dry with materialThe combined organic layer were dried with Na2SO4
  3. customThe residue was purified by chromatography (eluent: CyHex/EtOAc gradient)

Sources & evidence

ORD record
ord-50747dfaf1214c5fb9b1b2c0788d909a
Source dataset
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09284284B2

Reaction notes

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