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Diisopropylethylamine → 4-(4-Cyclohexanecarbonyl-piperazine-1-carbonyl)-pyridin-2-ylmethyl-2H-phthalazin-1-one

HRID 1445711
ノート
印刷プレビュー

反応式

HRID 1445711 の反応式
[O:1]=[C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[C:5]([CH2:12]C2C=C(C=CN=2)C(O)=O)=[N:4][NH:3]1.[CH:22]1([C:28]([N:30]2[CH2:35][CH2:34][NH:33][CH2:32][CH2:31]2)=[O:29])[CH2:27][CH2:26][CH2:25][CH2:24][CH2:23]1.CN(C(O[N:44]1N=N[C:46]2[CH:47]=[CH:48][CH:49]=[CH:50][C:45]1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(C(C)C)CC)(C)C.CC[O:71]C(C)=O.CO>>[CH:22]1([C:28]([N:30]2[CH2:31][CH2:32][N:33]([C:12]([C:5]3[C:6]4[C:11](=[CH:10][CH:9]=[CH:8][CH:7]=4)[C:2](=[O:1])[N:3]([CH2:50][C:49]4[CH:48]=[CH:47][CH:46]=[CH:45][N:44]=4)[N:4]=3)=[O:71])[CH2:34][CH2:35]2)=[O:29])[CH2:23][CH2:24][CH2:25][CH2:26][CH2:27]1
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 5

HCID 81531DiisopropylethylamineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 34375021-(Cyclohexylcarbonyl)piperazineHCID 21584119Ethylacetate methanolHCID 597677412-(4-Oxo-3,4-dihydro-phthalazin-1-ylmethyl)-isonicotinic acid

生成物 1

HCID 131726981
4-(4-Cyclohexanecarbonyl-piperazine-1-carbonyl)-pyridin-2-ylmethyl-2H-phthalazin-1-one

実験手順

To a stirred solution of 2-(4-oxo-3,4-dihydro-phthalazin-1-ylmethyl)-isonicotinic acid (iva)(0.25 g, 0.89 mol) in diemthylacetamide (2 mL) was added cyclohexyl-piperazin-1-yl-methanone (0.20 g, 1.0 mmol) followed by HBTU (0.38 g, 1.0 mmol) and diisopropyl ethyl amine (0.35 mL, 20.0 mmol) and stirred. The reaction mixture was then concentrated in vacuo and resulting oil subjected to flash chromatography eluent 9:1 EtOAc/MeOH. (rf of 0.3) The titled compound was isolated as a white solid. Single peak in LC-MS analysis, (0.18 g, 56%); m/z (LC-MS, ESP), RT=4.07 mins, (M+H)=460; 1H NMR (300 MHz) 12.57 (1H, S —NH), 8.56 (1H, d, J=5.1 Hz), 8.26 (1H, dd, J 1.5, 8.1 Hz), 7.95-7.80 (3H, m), 7.38 (1H, S), 7.25 (1H, d, J=5.7 Hz), 4.51 (2H, S), 3.56-3.17 (8H, m), 2.58 (1H, m), 1.71-1.61 (5H, m), 1.38-1.22 (5H, m).

後処理

  1. concentrationThe reaction mixture was then concentrated in vacuo
  2. customresulting oil

出典と根拠

ORDレコード
ord-609689888a85481b9c4cd2eac75092f0
出典データセット
uspto-grants-2010_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07666870B2

反応ノート

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