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Methanol → (1S)-N-{2-[1-(3-ethoxy-4-methoxyphenyl)-2-methanesulfonyl-ethyl]-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl}-2-methoxy-acetamide

HRID 913188
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HRID 913188 반응식
[NH2:1][C:2]1[CH:3]=[CH:4][CH:5]=[C:6]2[C:10]=1[C:9](=[O:11])[N:8]([C@@H:12]([C:18]1[CH:23]=[CH:22][C:21]([O:24][CH3:25])=[C:20]([O:26][CH2:27][CH3:28])[CH:19]=1)[CH2:13][S:14]([CH3:17])(=[O:16])=[O:15])[CH2:7]2.[CH3:29][O:30][CH2:31][C:32](Cl)=[O:33].C[OH:36]>C1COCC1>[CH2:27]([O:26][C:20]1[CH:19]=[C:18]([C@H:12]([N:8]2[C:9](=[O:11])[C:10]3[C:6](=[CH:5][CH:4]=[CH:3][C:2]=3[NH:1][C:32](=[O:33])[CH2:31][O:30][CH3:29])[C:7]2=[O:36])[CH2:13][S:14]([CH3:17])(=[O:15])=[O:16])[CH:23]=[CH:22][C:21]=1[O:24][CH3:25])[CH3:28]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 887MethanolHCID 96623Methoxyacetyl chlorideHCID 66718531(S)-7-amino-2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindolin-1-one

생성물 1

HCID 67417838(1S)-N-{2-[1-(3-ethoxy-4-methoxyphenyl)-2-methanesulfonyl-ethyl]-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl}-2-methoxy-acetamide수율 32%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

실험 절차

A solution of (1S)-7-amino-2-[1-(3-ethoxy-4-methoxyphenyl)-2-methanesulfonyl-ethyl]-2,3-dihydro-isoindol-1-one (0.5 g, 1.2 mmol) and 2-methoxyacetyl chloride (0.3 mL, 3.2 mmol) in THF (6 mL) was heated to reflux for 17 hours. To the mixture was added methanol (5 mL). The solvent was removed in vacuo to give a solid, which was purified with Prep HPLC to give (1S)—N-{2-[1-(3-ethoxy-4-methoxyphenyl)-2-methanesulfonyl-ethyl]-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl}-2-methoxy-acetamide as an off-white solid (180 mg, 32% yield): mp 151-153° C.; 1H NMR (CDCl3) δ 1.47 (t, J=7 Hz, 3H, CH3), 2.84 (s, 3H, CH3), 3.56 (s, 3H, CH3), 3.77 (dd, J=5, 14 Hz, 1H, CHH), 3.85 (s, 3H, CH3), 4.08 (s, 2H, CH2), 4.12 (q, J=7 Hz, 2H, CH2), 4.53 (dd, J=10, 15 Hz, 1H, CHH), 5.87 (dd, J=5, 10 Hz, 1H, NCH), 6.81-6.82 (m, 1H, Ar), 7.10-7.13 (m, 2H, Ar), 7.51 (d, J=7 HZ, 1H, Ar), 7.67 (t, J=8 Hz, 1H, Ar), 8.81 (d, J=8 Hz, 1H, Ar), 10.42 (s, 1H, NH); 13C NMR (CDCl3) δ 14.69, 41.59, 48.80, 54.81, 55.96, 59.74, 64.55, 72.18, 111.49, 112.53, 116.06, 118.59, 120.49, 125.09, 129.39, 131.33, 136.02, 136.59, 148.62, 149.77, 167.57, 168.89, 169.16. Analy. calculated for C23H26N2O8S: C, 56.32; H, 5.34, N, 5.71. Found: C, 56.23; H, 5.30; N, 5.56.

후처리

  1. temperatureto reflux for 17 hours
  2. customThe solvent was removed in vacuo
  3. customto give a solid, which
  4. customwas purified with Prep HPLC

출처 및 근거

ORD 기록
ord-3e50522ce9904df69198ec08f646c7bb
출처 데이터셋
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08026269B2

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