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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
ノート
印刷プレビュー

反応式

HRID 913188 の反応式
[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]
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 3

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

生成物 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-acetamide収率 32%

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-3e50522ce9904df69198ec08f646c7bb
出典データセット
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08026269B2

反応ノート

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