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Sodium Carbonate → 2,2-Difluoro-1-((4S,5R)-4-fluoromethyl-5-{4-[6-(1-hydroxy-ethyl)-pyridin-3-yl]-phenyl}-2,2-dimethyl-oxazolidin-3-yl)-ethanone

HRID 1520502
ノート
印刷プレビュー

反応式

HRID 1520502 の反応式
[F:1][CH:2]([F:29])[C:3]([N:5]1[C@H:9]([CH2:10][F:11])[C@@H:8]([C:12]2[CH:17]=[CH:16][C:15](B3OC(C)(C)C(C)(C)O3)=[CH:14][CH:13]=2)[O:7][C:6]1([CH3:28])[CH3:27])=[O:4].Br[C:31]1[CH:32]=[CH:33][C:34]([CH:37]([OH:39])[CH3:38])=[N:35][CH:36]=1.C([O-])([O-])=O.[Na+].[Na+]>C1(C)C=CC=CC=1.C(O)C.O.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:29][CH:2]([F:1])[C:3]([N:5]1[C@H:9]([CH2:10][F:11])[C@@H:8]([C:12]2[CH:13]=[CH:14][C:15]([C:31]3[CH:36]=[N:35][C:34]([CH:37]([OH:39])[CH3:38])=[CH:33][CH:32]=3)=[CH:16][CH:17]=2)[O:7][C:6]1([CH3:28])[CH3:27])=[O:4]
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

6

反応物 3

HCID 10340Sodium CarbonateHCID 426142881-(5-Bromopyridin-2-yl)ethanolHCID 866954142,2-difluoro-1-((4S,5R)-4-(fluoromethyl)-2,2-dimethyl-5-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)oxazolidin-3-yl)ethanone

生成物 1

HCID 866954522,2-Difluoro-1-((4S,5R)-4-fluoromethyl-5-{4-[6-(1-hydroxy-ethyl)-pyridin-3-yl]-phenyl}-2,2-dimethyl-oxazolidin-3-yl)-ethanone収率 74.2%

試薬・触媒・溶媒 2

HCID 178418397HCID 178418397、化合物触媒
HCID 86587398Ethanol toluene water溶媒

反応条件

温度
100 °C

実験手順

To a stirred solution of 2,2-Difluoro-1-{(4S,5R)-4-fluoromethyl-2,2-dimethyl-5-[4-(4,4,5,5tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-oxazolidin-3-yl}-ethanone (3 g, 7.26 mmol) and 1-(5-Bromo-pyridin-2-yl)-ethanol (1.46 g, 7.26 mmol) in toluene: ethanol:water (15:15:7 mL) is added Na2CO3 (2.3 g, 21.79 mmol) at room temperature. Resulting reaction mixture is degassed with nitrogen for 30 minutes then Pd(PPh3)4 (0.839 g, 0.726 mmol) is added. The reaction mixture is heated to 100° C. for 16 hours. Solvent is evaporated in vacuo and the crude material is purified by combi-flash using 55% ethyl acetate in hexane as an eluent to afford the title compound (2.2 g). 1H NMR (400 MHz, DMSO-d6) δ: 1.39 (d, J=6.6 Hz, 3H), 1.53 (s, 3H), 1.60 (s, 3H), 4.57-4.58 (m, 0.5H), 4.69-4.70 (m, 1H), 4.75-4.77 (m, 1H), 4.78-7.80 (m, 0.5H), 4.89-4.94 (m, 1H), 5.26 (d, J=3.88 Hz, 1H), 5.41 (d, J=4.6 Hz, 1H), 6.64 (t, J1=52.32 Hz, 1H), 7.57-7.64 (m, 3H), 7.77 (d, J=8.16 Hz, 2H), 8.08 (dd, J1=8.2 Hz, J2=2.32 Hz, 1H), 8.80 (d, J=2.04 Hz, 1H). LC-Ms (m/z): 409 [M+H].

後処理

  1. customResulting
  2. customreaction mixture
  3. customis degassed with nitrogen for 30 minutes
  4. customSolvent is evaporated in vacuo
  5. customthe crude material is purified by combi-flash

出典と根拠

ORDレコード
ord-e6e850dde0e240109092099b1a34b5bd
出典データセット
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09073894B2

反応ノート

読み込み中…

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