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Hydrochloric Acid → (2-{[4-(4-Hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydro-isobenzofuran-5-yl)-2-methyl-but-2-enyl]-methanesulfonyl-amino}-ethyl)-phosphonic Acid

HRID 272171
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HRID 272171 반응식
C([O:3][P:4]([CH2:9][CH2:10][N:11]([S:37]([CH3:40])(=[O:39])=[O:38])[CH2:12][C:13]([CH3:36])=[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[O:25][CH3:26])[CH2:21][O:20][C:19]2=[O:28])(=[O:8])[O:5]CC)C.C[Si](Br)(C)C.N1C(C)=CC=CC=1C.Cl>C(#N)C.CCOC(C)=O>[OH:29][C:17]1[C:16]([CH2:15][CH:14]=[C:13]([CH3:36])[CH2:12][N:11]([S:37]([CH3:40])(=[O:38])=[O:39])[CH2:10][CH2:9][P:4](=[O:3])([OH:8])[OH:5])=[C:24]([O:25][CH3:26])[C:23]([CH3:27])=[C:22]2[C:18]=1[C:19](=[O:28])[O:20][CH2:21]2
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참가 물질

7

반응물 4

HCID 313Hydrochloric AcidHCID 79372,6-LutidineHCID 76113BromotrimethylsilaneHCID 76541030[2-(Methanesulfonyl-{4-[6-methoxy-7-methyl-3-oxo-4-(2-trimethylsilanyl-ethoxy)-1,3-dihydro-isobenzofuran-5-yl]-2-methyl-but-2-enyl}-amino)-ethyl]-phosphonic Acid Diethyl Ester

생성물 1

HCID 67011096
(2-{[4-(4-Hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydro-isobenzofuran-5-yl)-2-methyl-but-2-enyl]-methanesulfonyl-amino}-ethyl)-phosphonic Acid
수율 73.7%

시약·촉매·용매 2

HCID 6342Acetonitrile용매HCID 8857Ethyl Acetate용매

실험 절차

A solution of [2-(methanesulfonyl-{4-[6-methoxy-7-methyl-3-oxo-4-(2-trimethylsilanyl-ethoxy)-1,3-dihydro-isobenzofuran-5-yl]-2-methyl-but-2-enyl}-amino)-ethyl]-phosphonic acid diethyl ester (18 mg, 0.029 mmol) in acetonitrile (0.5 mL) was stirred with TMSBr (38 μL, 0.29 mmol) and 2,6-lutidine (34 μL, 0.29 mmol) for 2 hours at room temperature. The reaction was worked up by addition of EtOAc and aqueous 1N HCl. The organic layer was washed with brine and the solvent was removed in vacuo. The residue was suspended in a solution of 10% TFA-CH2Cl2 for 10 minutes before it was dried to provide 9.9 mg of the desired product (73%) as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 1.76 (s, 3H), 1.76-1.88 (m, 2H), 2.10 (s, 3H), 2.87 (s, 3H), 3.24-3.35 (m, 2H), 3.39 (d, 2H, J=7 Hz), 3.65 (s, 2H), 3.75 (s, 3H), 5.22 (s, 2H), 5.41-5.48 (m, 1H) ppm; 31P (121.4 MHz, DMSO-d6) δ 21.4 ppm; MS (m/z) 464.1 [M+H]+.

후처리

  1. washThe organic layer was washed with brine
  2. customthe solvent was removed in vacuo
  3. customwas dried

출처 및 근거

ORD 기록
ord-75c2893e064d410bada58ddbe5cd048a
출처 데이터셋
uspto-grants-2008_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07452901B2

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