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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 910553
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HRID 910553 반응식
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]
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참가 물질

5

반응물 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

생성물 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 acid수율 44.7%

시약·촉매·용매 2

HCID 6228Dimethylformamide용매
HCID 6344Dichloromethane용매

실험 절차

(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].

후처리

  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)

출처 및 근거

ORD 기록
ord-90c36fe737274cf29274de58ac8d2b50
출처 데이터셋
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08022083B2

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