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

HRID 1994627
ノート
印刷プレビュー

反応式

HRID 1994627 の反応式
[F:1][C:2]([F:32])([F:31])[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]([N+:26]([O-:28])=[O:27])[CH:23]=[CH:22][C:21]=3Br)[C@H:14]2[CH3:30])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1.C1(C)C=CC=CC=1.[F:40][C:41]1[C:46]([CH:47]([CH3:49])[CH3:48])=[CH:45][C:44](B(O)O)=[C:43]([O:53][CH3:54])[CH:42]=1.C(=O)([O-])[O-].[Na+].[Na+]>[Pd].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.O.C(O)C>[F:1][C:2]([F:32])([F:31])[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]([N+:26]([O-:28])=[O:27])[CH:23]=[CH:22][C:21]=3[C:44]3[CH:45]=[C:46]([CH:47]([CH3:49])[CH3:48])[C:41]([F:40])=[CH:42][C:43]=3[O:53][CH3:54])[C@H:14]2[CH3:30])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

8

反応物 4

HCID 1140TolueneHCID 10340Sodium CarbonateHCID 53363739(4-Fluoro-5-isopropyl-2-methoxyphenyl)boronic acidHCID 86603442(4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-(2-bromo-5-nitrobenzyl)-4-methyl-1,3-oxazolidin-2-one

生成物 1

HCID 11527347(4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[(4'-fluoro-5'-isopropyl-2'-methoxy-4-nitrobiphenyl-2-yl)methyl]-4-methyl-1,3-oxazolidin-2-one

試薬・触媒・溶媒 3

HCID 11979704Tetrakis(triphenylphosphine)palladium触媒HCID 702Ethanol溶媒HCID 962Water溶媒

反応条件

温度
90 °C

実験手順

To a solution of (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-(2-bromo-5-nitrobenzyl)-4-methyl-1,3-oxazolidin-2-one (3.877 g, 7.35 mmol) in a toluene (24 mL): ethanol (12 mL): water (6 mL) mixture was added (4-fluoro-5-isopropyl-2-methoxyphenyl)boronic acid (2.337 g, 11.03 mmol), tetrakis (triphenylphosphine) palladium(0) (425 mg, 5 mol %) and sodium carbonate (1.56 g, 14.72 mmol). The resulting mixture was bubbled with nitrogen and then heated in a 90° C. oil bath for 10 h. An aliquot showed complete consumption of the starting material. The reaction was quenched with brine. The resulting mixture was extracted with EtOAc and dried over Na2SO4. The resulting glassy mixture was purified by SiO2 (Biotage 40S cartridge, EtOAc/hexane, gradient). The titled compound was obtained as a crystalline solid. LC-MS: 615.26 (M+1)+. 1H NMR (CDCl3, 500 MHz) a 1:1 mixture of rotamers δ 8.31 (s, 1H), 8.20-8.26 (m, 1H), 7.86 (s, 1H), 7.70 (s, 2H), 7.39-7.43 (m, 1H), 6.96-7.01 (m, 1H), 6.67-6.72 (m, 1H), 5.64 (d, J=8.0 Hz, 0.5H), 5.48 (d, J=8.0 Hz, 0.5H), 4.90 (d, J=16.3 Hz, 0.5H), 4.86 (d, J=16.3 Hz, 0.5H), 4.10-4.16 (m, 0.5H), 3.84-3.94 (m, 1.5H), 3.77 (s, 1.5H), 3.75 (s, 1.5H), 3.15-3.26 (m, 1H), 1.15-1.29 (m, 6H), 0.57 (d, J=6.6 Hz, 1.5H), 0.40 (d, J=6.6 Hz, 1.5H).

後処理

  1. customThe resulting mixture was bubbled with nitrogen
  2. customconsumption of the starting material
  3. customThe reaction was quenched with brine
  4. extractionThe resulting mixture was extracted with EtOAc
  5. dry with materialdried over Na2SO4
  6. customThe resulting glassy mixture was purified by SiO2 (Biotage 40S cartridge, EtOAc/hexane, gradient)

出典と根拠

ORDレコード
ord-d7254cbd062a4efc8cb77e6c2a91895d
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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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート