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

HRID 1994634
ノート
印刷プレビュー

反応式

HRID 1994634 の反応式
[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.Cl[C:43]1[CH:48]=CC(C(C)C)=C[C:44]=1B(O)O.[OH-].[K+]>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]>[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]([C:43]([CH3:48])=[CH2:44])[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
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 14797Potassium HydroxideHCID 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-oneHCID 57509290(2-Chloro-5-isopropylphenyl)boronic acid

生成物 1

HCID 11505387(4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[(4'-fluoro-4-isopropenyl-5'-isopropyl-2'-methoxybiphenyl-2-yl)methyl]-4-methyl-1,3-oxazolidin-2-one

試薬・触媒・溶媒 2

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)触媒HCID 312751,4-Dioxane溶媒

実験手順

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 (38 mg, 0.059 mmol) in 1,4-dioxane (0.5 mL) was added (2-chloro-5-isopropylphenyl)boronic acid (10 mg, 0.12 mmol), [1,1′-bis(diphenylphosphino) ferrocene]dichloropalladium (II) (2.4 mg, 5 mol %) and aqueous potassium hydroxide (40 μL, 3M, 2 eq.). The reaction mixture was purged with nitrogen and then sealed in a microwave vessel. The reaction vessel was subject to microwave irradiation at 140° C. for 20 min. Crude mixture was worked up with water and EtOAc. The combined organic extracts were dried over Na2SO4 and concentrated in vacuo to give the crude product. This was purified by preparative TLC plate eluted by 20% EtOAc in hexanes to give the titled compound. LC-MS: 610.04 (M+1)+. 1H NMR (CDCl3, 500 MHz) a 1:1 mixture of rotamers δ 7.84 (s, 1H), 7.64-7.70 (m, 2H), 7.56 (s, 0.5), 7.45-7.50 (m, 1.5H), 7.18-7.23 (m, 1H), 7.02 (d, J=9.0 Hz, 0.5H), 6.99 (d, J=8.5 Hz, 0.5H), 6.67 (d, J=7.0 Hz, 0.5H), 6.64 (d, J=5.5 Hz, 0.5H), 5.52 (d, J=8.0 Hz, 0.5H), 5.43 (d, J=8.5 Hz, 1H), 5.26 (d, J=8.0 Hz, 0.5H), 5.13-5.17 (m, 1H), 4.91 (d, J=15.0 Hz, 0.5H), 4.86 (d, J=15.5 Hz, 0.5H), 4.04 (d, J=15.5 Hz, 0.5H), 3.83 (d, J=15.5, 0.5H), 3.70-3.78 (m, 3H), 3.14-3.25 (m, 1H), 2.18-2.22 (m, 3H), 1.14-1.29 (m, 6H), 0.50 (d, J=6.5 Hz, 1.5H), 0.31 (d, J=6.5 Hz, 1.5H).

後処理

  1. customThe reaction mixture was purged with nitrogen
  2. customsealed in a microwave vessel
  3. customirradiation at 140° C. for 20 min
  4. dry with materialThe combined organic extracts were dried over Na2SO4
  5. concentrationconcentrated in vacuo
  6. customto give the crude product
  7. customThis was purified by preparative TLC plate
  8. washeluted by 20% EtOAc in hexanes

出典と根拠

ORDレコード
ord-e6956e8f0701498c82b0f88f2a63cbdf
出典データセット
uspto-grants-2010_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07652049B2

反応ノート

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