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1-Hydroxybenzotriazole → N-[2-(2,6-dioxo-piperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-ylmethyl]2-(6-methoxy-benzofuran-3-yl)-acetamide

HRID 448490
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HRID 448490 반응식
Cl.[NH2:2][CH2:3][C:4]1[CH:12]=[CH:11][CH:10]=[C:9]2[C:5]=1[C:6](=[O:22])[N:7]([CH:14]1[CH2:19][CH2:18][C:17](=[O:20])[NH:16][C:15]1=[O:21])[C:8]2=[O:13].N12CCCN=C1CCCCC2.ON1C2C=CC=CC=2N=N1.[CH3:44][O:45][C:46]1[CH:58]=[CH:57][C:49]2[C:50]([CH2:53][C:54](O)=[O:55])=[CH:51][O:52][C:48]=2[CH:47]=1.Cl.CN(C)CCCN=C=NCC>C(#N)C>[O:21]=[C:15]1[CH:14]([N:7]2[C:6](=[O:22])[C:5]3[C:9](=[CH:10][CH:11]=[CH:12][C:4]=3[CH2:3][NH:2][C:54](=[O:55])[CH2:53][C:50]3[C:49]4[CH:57]=[CH:58][C:46]([O:45][CH3:44])=[CH:47][C:48]=4[O:52][CH:51]=3)[C:8]2=[O:13])[CH2:19][CH2:18][C:17](=[O:20])[NH:16]1
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참가 물질

7

반응물 5

HCID 757711-HydroxybenzotriazoleHCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 7368182-(6-Methoxy-1-benzofuran-3-yl)acetic acidHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 219885254-(aminomethyl)-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione hydrochloride

생성물 1

HCID 67228839
N-[2-(2,6-dioxo-piperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-ylmethyl]2-(6-methoxy-benzofuran-3-yl)-acetamide
수율 73%

시약·촉매·용매 1

HCID 6342Acetonitrile용매

실험 절차

To a stirred suspension of 4-aminomethyl-2-(2,6-dioxo-piperidin-3-yl)-isoindole-1,3-dione hydrochloride (0.7 g, 2.2 mmol) in acetonitrile (60 mL), was added 1,8-diazabicyclo[5,4,0]undec-7-ene (0.8 g, 5.4 mmol). After stirring for 10 minutes, 1-hydroxybenzotriazole (0.4 g, 2.6 mmol) and 2-(6-methoxy-1-benzofuran-3-yl)-acetic acid were added, followed by 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (0.6 g, 3.2 mmol). After stirring at room temperature overnight, the mixture was concentrated in vacuo. The residue was dissolved in CH2Cl2 (80 mL) and washed with water (40 mL), 1NHCl (2×30 mL), water (40 mL), and brine (40 mL), and dried over MgSO4. Solvent was removed in vacuo, and the residue was purified by ISCO silica gel flash chromatography (Eluent: EtOAc: CH2Cl2 3:7) to afford N-[2-(2,6-dioxo-piperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-ylmethyl]2-(6-methoxy-benzofuran-3-yl)-acetamide (0.76 g, 73%) as a white solid: mp 143-145° C.; HPLC: Waters Symmetry C-18, 3.9×150 mm, 5 micro, 1 mL/min, 240 nm, 40/60 (CH3CN/H2O): tR=3.41 min. (98%); 1H NMR (DMSO-d6) δ 2.03-2.07 (m, 1H), 2.51-2.63 (m, 2H), 2.84-2.91 (m, 1H), 3.60 (s, 2H), 3.79 (s, 3H), 4.74 (d, J=5.9 Hz, 2H), 5.12-5.18 (dd, J=5.3 and 12.8 Hz, 1H), 6.85-6.89 (dd, J=2.2 and 8.6 Hz, 1H), 7.15 (d, J=2.2 Hz, 1H), 7.46 (d, J=8.6 Hz, 1H), 7.64-7.81 (m, 4H), 8.69 (t, J=5.9 Hz, 1H), 11.14 (s, 1H); 13C NMR (DMSO-d6) δ 21.95, 30.51, 30.90, 37.91, 48.83, 55.53, 95.93, 111.42, 114.55, 120.21, 120.91, 121.90, 127.12, 131.49, 133.29, 134.63, 139.06, 142.19, 155.57, 157.68, 166.90, 167.43, 169.78, 172.63, 172.73; Anal. Calcd. for C25H21N3O7: C, 63.16; H, 4.45; N, 8.84. Found: C, 62.90; H, 4.44; N, 8.74.

후처리

  1. stirringAfter stirring at room temperature overnight
  2. concentrationthe mixture was concentrated in vacuo
  3. dissolutionThe residue was dissolved in CH2Cl2 (80 mL)
  4. washwashed with water (40 mL), 1NHCl (2×30 mL), water (40 mL), and brine (40 mL)
  5. dry with materialdried over MgSO4
  6. customSolvent was removed in vacuo
  7. customthe residue was purified by ISCO silica gel flash chromatography (Eluent: EtOAc: CH2Cl2 3:7)

출처 및 근거

ORD 기록
ord-0b6bb5952830459390964e63a49752c9
출처 데이터셋
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08481568B2

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