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Iodoethane → (2S,3R,4R,5S,6R)-2-[4-chloro-3-(4-ethyl-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethyl)-phenyl]-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol

HRID 1695829
ノート
印刷プレビュー

反応式

HRID 1695829 の反応式
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C@H:8]2[C@H:13]([OH:14])[C@@H:12]([OH:15])[C@H:11]([OH:16])[C@@H:10]([CH2:17][OH:18])[O:9]2)=[CH:4][C:3]=1[CH2:19][C:20]1[CH:21]=[CH:22][C:23]2[O:28][CH2:27][CH2:26][NH:25][C:24]=2[CH:29]=1.C(=O)([O-])[O-].[K+].[K+].[CH2:36](I)[CH3:37]>CN(C=O)C>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C@H:8]2[C@H:13]([OH:14])[C@@H:12]([OH:15])[C@H:11]([OH:16])[C@@H:10]([CH2:17][OH:18])[O:9]2)=[CH:4][C:3]=1[CH2:19][C:20]1[CH:21]=[CH:22][C:23]2[O:28][CH2:27][CH2:26][N:25]([CH2:36][CH3:37])[C:24]=2[CH:29]=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

5

反応物 3

HCID 6340IodoethaneHCID 11430Potassium CarbonateHCID 52913742(2S,3R,4R,5S,6R)-2-[4-chloro-3-(3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethyl)-phenyl]-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol

生成物 1

HCID 52914178(2S,3R,4R,5S,6R)-2-[4-chloro-3-(4-ethyl-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethyl)-phenyl]-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol収率 19.3%

試薬・触媒・溶媒 1

HCID 6228
Dimethylformamide
溶媒

反応条件

温度
20 °C

実験手順

To a stirred solution of (2S,3R,4R,5S,6R)-2-[4-chloro-3-(3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethyl)-phenyl]-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol (0.1 g, 0.23 mmol) in DMF (2 mL) was added potassium carbonate (0.065 g, 0.47 mmol), ethyl iodide (0.028 mL, 0.35 mmol) and stirred the solution at 20° C. for 2 h. Reaction mixture was quenched by the addition of water (2 mL), extracted with dichloromethane (3×5 mL). The organic layer was washed with water (5 mL), brine (5 mL), dried over sodium sulfate, concentrated and purified by preparative HPLC to furnish (2S,3R,4R,5S,6R)-2-[4-chloro-3-(4-ethyl-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethyl)-phenyl]-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol (20 mg).

後処理

  1. customReaction mixture
  2. customwas quenched by the addition of water (2 mL)
  3. extractionextracted with dichloromethane (3×5 mL)
  4. washThe organic layer was washed with water (5 mL), brine (5 mL)
  5. dry with materialdried over sodium sulfate
  6. concentrationconcentrated
  7. custompurified by preparative HPLC

出典と根拠

ORDレコード
ord-446a4f3005b242b59bcb659aa1b834f9
出典データセット
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08163704B2

反応ノート

読み込み中…

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