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Diisopropylethylamine → 1-(2-(4-(Benzo[d]thiazol-2-ylsulfonyl)-3-oxopiperazin-1-yl)-2-oxoethyl)-5-methylpyrimidine-2,4(1H,3H)-dione

HRID 349635
ノート
印刷プレビュー

反応式

HRID 349635 の反応式
FC(F)(F)C(O)=O.[S:8]1[C:12]2[CH:13]=[CH:14][CH:15]=[CH:16][C:11]=2[N:10]=[C:9]1[S:17]([N:20]1[CH2:25][CH2:24][NH:23][CH2:22][C:21]1=[O:26])(=[O:19])=[O:18].[N:27]1([CH2:36][C:37](O)=[O:38])[CH:35]=[C:33]([CH3:34])[C:31](=[O:32])[NH:30][C:28]1=[O:29].C1CN([P+](ON2N=NC3C=CC=CC2=3)(N2CCCC2)N2CCCC2)CC1.F[P-](F)(F)(F)(F)F.C(N(C(C)C)CC)(C)C>CN(C=O)C>[S:8]1[C:12]2[CH:13]=[CH:14][CH:15]=[CH:16][C:11]=2[N:10]=[C:9]1[S:17]([N:20]1[CH2:25][CH2:24][N:23]([C:37](=[O:38])[CH2:36][N:27]2[CH:35]=[C:33]([CH3:34])[C:31](=[O:32])[NH:30][C:28]2=[O:29])[CH2:22][C:21]1=[O:26])(=[O:19])=[O:18]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 81531DiisopropylethylamineHCID 8537532-(5-Methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)acetic acidHCID 2724699PyBOPHCID 685235511-(Benzothiazole-2-sulfonyl)-piperazin-2-one trifluoroacetic acid salt

生成物 1

HCID 112712061-(2-(4-(Benzo[d]thiazol-2-ylsulfonyl)-3-oxopiperazin-1-yl)-2-oxoethyl)-5-methylpyrimidine-2,4(1H,3H)-dione

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

To the mixture of 1-(benzothiazole-2-sulfonyl)-piperazin-2-one trifluoroacetic acid salt (0.83 g, 2.5 mmol), (thymin-1-yl)-acetic acid (0.46 g, 2.5 mmol), and PyBOP (1.43 g, 2.75 mmol) in DMF (12 mL) was added diisopropylethylamine (0.61 ml, 3.75 mmol) at ambient temperature. The resulting reaction mixture was stirred for 4 h at the same temperature and the solvent was removed in vacuo. The residue was dissolved in dichloromethane (20 mL) and the solution was washed with water, saturated sodium bicarbonate solution, 1N HCl solution, and saline. The resulting solution was dried over magnesium sulfate and filtered. The filtrate was evaporated in vacuo. The resulting residue was recrystallized in dichloromethane-ethyl ether to afford the title compound. 1H NMR (500 MHz; DMSO-d6) δ 11.30 (d, 1H), 8.34 (d, 1H), 8.26 (m, 1H), 7.71 (m, 2H), 7.34 (s, 0.6H), 7.27 (s, 0.4H), 4.67 (s, 1.2H), 4.57 (s, 0.8H), 4.42 (s, 0.8H), 4.27 (s, 1.2H), 4.21 (t, 1.2H), 4.07 (t, 0.8H), 3.95 (t, 1.2H), 3.85 (t, 0.8H), 1.74 (s, 3H).

後処理

  1. customThe resulting reaction mixture
  2. customthe solvent was removed in vacuo
  3. dissolutionThe residue was dissolved in dichloromethane (20 mL)
  4. washthe solution was washed with water, saturated sodium bicarbonate solution, 1N HCl solution, and saline
  5. dry with materialThe resulting solution was dried over magnesium sulfate
  6. filtrationfiltered
  7. customThe filtrate was evaporated in vacuo
  8. customThe resulting residue was recrystallized in dichloromethane-ethyl ether

出典と根拠

ORDレコード
ord-4daa5b43516d47a2a6e89e6a34a47127
出典データセット
uspto-grants-2007_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07179896B2

反応ノート

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