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Bromotrimethylsilane → {2-[2-Ethyl-4-(6-ethyl-4-hydroxy-7-methyl-3-oxo-1,3-dihydro-isobenzofuran-5-yl)-but-2-enylamino]-ethyl}-phosphonic acid

HRID 33677
ノート
印刷プレビュー

反応式

HRID 33677 の反応式
C([O:3][P:4]([CH2:9][CH2:10][NH:11][CH2:12][C:13]([CH2:36][CH3:37])=[CH:14][CH2:15][C:16]1[C:17]([O:29]CC[Si](C)(C)C)=[C:18]2[C:22](=[C:23]([CH3:27])[C:24]=1[CH2:25][CH3:26])[CH2:21][O:20][C:19]2=[O:28])(=[O:8])[O:5]CC)C.C[Si](Br)(C)C>CN(C=O)C.C(Cl)Cl>[CH2:36]([C:13](=[CH:14][CH2:15][C:16]1[C:17]([OH:29])=[C:18]2[C:22](=[C:23]([CH3:27])[C:24]=1[CH2:25][CH3:26])[CH2:21][O:20][C:19]2=[O:28])[CH2:12][NH:11][CH2:10][CH2:9][P:4](=[O:3])([OH:8])[OH:5])[CH3:37]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 76113BromotrimethylsilaneHCID 72563629(2-{2-Ethyl-4-[6-ethyl-7-methyl-3-oxo-4-(2-trimethylsilanyl-ethoxy)-1,3-dihydro-isobenzofuran-5-yl]-but-2-enyl amino}-ethyl)-phosphonic acid diethyl ester

生成物 1

HCID 67010234{2-[2-Ethyl-4-(6-ethyl-4-hydroxy-7-methyl-3-oxo-1,3-dihydro-isobenzofuran-5-yl)-but-2-enylamino]-ethyl}-phosphonic acid収率 44.7%

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒
HCID 6344Dichloromethane溶媒

実験手順

(2-{2-Ethyl-4-[6-ethyl-7-methyl-3-oxo-4-(2-trimethylsilanyl-ethoxy)-1,3-dihydro-isobenzofuran-5-yl]-but-2-enylamino}-ethyl)-phosphonic acid diethyl ester (24.9 mg, 0.045 mmol) was dissolved in DMF (0.5 mL) and DCM (0.5 mL). Trimethylsilyl bromide (68.7 mg, 0.449 mmol) was added and the reaction was stirred at room temperature. After 20 hrs the reaction was quenched with MeOH (0.15 mL). The solvents were evaporated in vacuo and the crude material was purified by RP-HPLC (eluent: water/MeCN). The product-containing fractions were combined and lyophilized to yield 8.0 mg of the free phosphonic acid [MS: 498 M++1].

後処理

  1. customAfter 20 hrs the reaction was quenched with MeOH (0.15 mL)
  2. customThe solvents were evaporated in vacuo
  3. customthe crude material was purified by RP-HPLC (eluent: water/MeCN)

出典と根拠

ORDレコード
ord-964c870abae14724b4484c22e157993d
出典データセット
uspto-grants-2008_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07429565B2

反応ノート

読み込み中…

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