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Water → (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[(4-cyclopropyl-4'-fluoro-5'-isopropyl-2'-methoxybiphenyl-2-yl)methyl]-4-methyl-1,3-oxazolidin-2-one

HRID 1028663
Notes
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Reaction equation

HRID 1028663 reaction equation
[F:1][C:2]([F:41])([F:40])[C:3]1[CH:4]=[C:5]([C@H:13]2[O:17][C:16](=[O:18])[N:15]([CH2:19][C:20]3[CH:25]=[C:24](Br)[CH:23]=[CH:22][C:21]=3[C:27]3[CH:32]=[C:31]([CH:33]([CH3:35])[CH3:34])[C:30]([F:36])=[CH:29][C:28]=3[O:37][CH3:38])[C@H:14]2[CH3:39])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1.[CH:42]1(B(O)O)[CH2:44][CH2:43]1.[OH-].[K+].O>O1CCOCC1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[F:1][C:2]([F:41])([F:40])[C:3]1[CH:4]=[C:5]([C@H:13]2[O:17][C:16](=[O:18])[N:15]([CH2:19][C:20]3[CH:25]=[C:24]([CH:42]4[CH2:44][CH2:43]4)[CH:23]=[CH:22][C:21]=3[C:27]3[CH:32]=[C:31]([CH:33]([CH3:35])[CH3:34])[C:30]([F:36])=[CH:29][C:28]=3[O:37][CH3:38])[C@H:14]2[CH3:39])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 962WaterHCID 14797Potassium HydroxideHCID 2760897Cyclopropylboronic acidHCID 11556473(4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl)-3-[(4-bromo-4'-fluoro-5'-isopropyl-2'-methoxybiphenyl-2-yl)methyl]-4-methyl-1,3-oxazolidin-2-one

Product 1

HCID 11628674
(4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[(4-cyclopropyl-4'-fluoro-5'-isopropyl-2'-methoxybiphenyl-2-yl)methyl]-4-methyl-1,3-oxazolidin-2-one

Reagents, catalysts & solvents 3

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)CatalystHCID 178418397HCID 178418397, compoundCatalystHCID 312751,4-DioxaneSolvent

Procedure

To a solution of (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[(4-bromo-4′-fluoro-5′-isopropyl-2′-methoxybiphenyl-2-yl)methyl]-4-methyl-1,3-oxazolidin-2-one (100 mg, 0.15 mmol) in 1,4-dioxane (0.5 mL) was added cyclopropylboronic acid (10 mg, 0.19 mmol), [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium (II) (82 mg, 8 mol %), bis(tri-tert-butylphosphine)palladium (0) (10 mg, 13 mol %) and aqueous potassium hydroxide (78 μL, 3M, 1.5 eq.). The reaction mixture was purged with nitrogen and then sealed in a microwave vessel. The reaction vessel was subject to microwave irradiation at 150° C. for 30 min. An aliquot indicated complete consumption of starting material. Reaction crude was worked up with water. The resulting mixture was extracted with EtOAc and dried over Na2SO4. The titled compound was obtained as a glassy material after two preparative TLC plates using respectively 20% EtOAc in hexanes and 5% EtOAc in dichloromethane as the eluent. LC-MS: 610.26 (M+1)+. 1H NMR (CDCl3, 500 MHz) δ 1:1 mixture of rotamers δ 7.84 (s, 1 H), 7.65-7.70 (m, 2 H), 7.21 (s, 0.5 H), 7.08-7.14 (m, 1.5H), 6.95-7.04 (m, 2 H), 6.61-6.67 (m, 1 H), 5.52 (d, J=8.5 Hz, 0.5H), 5.27 (d, J=8.0 Hz, 0.5H), 4.85 (d, J=15.5 Hz, 0.5H), 4.81 (d, J=15.5 Hz, 0.5 H), 4.00 (d, J=15.5 Hz, 0.5 H), 3.69-3.81 (m, 4.5 H), 3.13-3.24 (m, 1H), 1.90-1.99 (m, 1 H), 1.12-1.30 (m, 6 H), 0.98-1.15 (m, 2 H), 0.71-0.77 (m, 2 H), 0.48 (d, J=6.5 Hz, 1.5 H), 0.29 (d, J=6.5 Hz, 1.5 H).

Workup

  1. customThe reaction mixture was purged with nitrogen
  2. customsealed in a microwave vessel
  3. customirradiation at 150° C. for 30 min
  4. customconsumption of starting material
  5. customReaction crude
  6. extractionThe resulting mixture was extracted with EtOAc
  7. dry with materialdried over Na2SO4

Sources & evidence

ORD record
ord-e88fee50a1e24f3696efb5bde10a9b97
Source dataset
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08735435B2

Reaction notes

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