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3-(Bromomethyl)-1-methyl-1H-indazole → N-Isopropyl-N-(4-methoxy-phenyl)-2-[3-(1-methyl-1H-indazol-3-ylmethyl)-2,4-dioxo-5-phenyl-2,3,4,5-tetrahydro-benzo[b][1,4]diazepin-1-yl]acetamide

HRID 343217
ノート
印刷プレビュー

反応式

HRID 343217 の反応式
[O:1]=[C:2]1[N:8]([CH2:9][C:10]([N:12]([CH:21]([CH3:23])[CH3:22])[C:13]2[CH:18]=[CH:17][C:16]([O:19][CH3:20])=[CH:15][CH:14]=2)=[O:11])[C:7]2[CH:24]=[CH:25][CH:26]=[CH:27][C:6]=2[N:5]([C:28]2[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=2)[C:4](=[O:34])[CH2:3]1.[CH3:35][N:36]1[C:44]2[C:39](=[CH:40][CH:41]=[CH:42][CH:43]=2)[C:38]([CH2:45]Br)=[N:37]1>CN(C=O)C.C1(C)C=CC=CC=1>[CH:21]([N:12]([C:13]1[CH:18]=[CH:17][C:16]([O:19][CH3:20])=[CH:15][CH:14]=1)[C:10](=[O:11])[CH2:9][N:8]1[C:2](=[O:1])[CH:3]([CH2:45][C:38]2[C:39]3[C:44](=[CH:43][CH:42]=[CH:41][CH:40]=3)[N:36]([CH3:35])[N:37]=2)[C:4](=[O:34])[N:5]([C:28]2[CH:29]=[CH:30][CH:31]=[CH:32][CH:33]=2)[C:6]2[CH:27]=[CH:26][CH:25]=[CH:24][C:7]1=2)([CH3:23])[CH3:22]
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 2

HCID 107755483-(Bromomethyl)-1-methyl-1H-indazoleHCID 107900232-(2,4-Dioxo-5-phenyl-2,3,4,5-tetrahydro-benzo[b][1,4]diazepin-1-yl)-N-isopropyl-N-(4-methoxy-phenyl) acetamide

生成物 1

HCID 10555571N-Isopropyl-N-(4-methoxy-phenyl)-2-[3-(1-methyl-1H-indazol-3-ylmethyl)-2,4-dioxo-5-phenyl-2,3,4,5-tetrahydro-benzo[b][1,4]diazepin-1-yl]acetamide収率 22.8%

試薬・触媒・溶媒 2

HCID 1140Toluene溶媒
HCID 6228Dimethylformamide溶媒2 回

実験手順

To a stirring solution of 330 mg (0.73 mmol) of 2-(2,4-dioxo-5-phenyl-2,3,4,5-tetrahydro-benzo[b][1,4]diazepin-1-yl)-N-isopropyl-N-(4-methoxy-phenyl) acetamide, prepared as in Intermediate 4, in 10 mL DMF at 0° C. is added dropwise over 5 min 1.75 mL (0.87 mmol, 1.1 equiv) of a 0.5M solution of KN(TMS)2 in toluene. The resulting solution is stirred 10 min, then a solution of 180 mg (1.18 mmol, 1.1 equiv) of 1-methyl-3-bromomethyl-1H-indazole in 3 mL DMF is added. The resulting solution is stirred 3 h at RT and then quenched with 5 mL of H2O. The reaction mixture is poured into 50 mL of EtOAc and extracted with H2O (2×50 mL). The organic layer is separated, dried (MgSO4), and the solvents removed in vacuo. Purification by silica gel flash column chromatography using hexane/EtOAc 2/1 as eluent followed by further purification via silica gel MPLC using a Si60 column and hexane/EtOAc 1/1 as eluent followed by lyophilization in acetonitrile/H2O afforded 100 mg of the title compound as a white amorphous solid: 1H NMR (CDCl3, 300 MHz) δ7.74 (d, 1H, J=8.3), 7.25-6.76 (m, 16H), 4.85 (m, 1H), 4.11 (s, br, 2H), 3.97 (dd, 1H, J=5.6, 7.8), 3.77 (s, 3H), 3.70 (s, 3H), 3.63 (dd, 1H, J=7.8, 15.9), 3.48 (dd, 1H, J=5.6, 15.9), 0.92 (d, 6H, J=6.8); low resolution MS (FAB)m/e 602 (MH+), 437. Anal. (C36H35N5O4) Calcd. C, 71.86; H, 5.86; N, 11.64; Found C, 71.69; H, 5.91; N, 11.56.

後処理

  1. stirringThe resulting solution is stirred 3 h at RT
  2. customquenched with 5 mL of H2O
  3. additionThe reaction mixture is poured into 50 mL of EtOAc
  4. extractionextracted with H2O (2×50 mL)
  5. customThe organic layer is separated
  6. dry with materialdried (MgSO4)
  7. customthe solvents removed in vacuo
  8. customPurification by silica gel flash column chromatography
  9. customfollowed by further purification via silica gel MPLC

出典と根拠

ORDレコード
ord-4962be34ea9640d38fe5723588cb21b3
出典データセット
uspto-grants-1999_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05859007

反応ノート

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