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Acetic Acid → benzyl 3-(3-((((3aR,4R,6R,6aR)-6-(4-((2,4-dimethoxybenzyl)amino)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl)amino)cyclobutyl)propanoate

HRID 2040730
ノート
印刷プレビュー

反応式

HRID 2040730 の反応式
[NH2:1][CH2:2][C@@H:3]1[C@H:7]2[O:8][C:9]([CH3:12])([CH3:11])[O:10][C@H:6]2[C@H:5]([N:13]2[C:17]3[N:18]=[CH:19][N:20]=[C:21]([NH:22][CH2:23][C:24]4[CH:29]=[CH:28][C:27]([O:30][CH3:31])=[CH:26][C:25]=4[O:32][CH3:33])[C:16]=3[CH:15]=[CH:14]2)[O:4]1.O=[C:35]1[CH2:38][CH:37]([CH2:39][CH2:40][C:41]([O:43][CH2:44][C:45]2[CH:50]=[CH:49][CH:48]=[CH:47][CH:46]=2)=[O:42])[CH2:36]1.CC(O)=O.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+].C([O-])(O)=O.[Na+]>ClCCCl>[CH3:33][O:32][C:25]1[CH:26]=[C:27]([O:30][CH3:31])[CH:28]=[CH:29][C:24]=1[CH2:23][NH:22][C:21]1[C:16]2[CH:15]=[CH:14][N:13]([C@H:5]3[C@@H:6]4[O:10][C:9]([CH3:12])([CH3:11])[O:8][C@@H:7]4[C@@H:3]([CH2:2][NH:1][CH:35]4[CH2:38][CH:37]([CH2:39][CH2:40][C:41]([O:43][CH2:44][C:45]5[CH:46]=[CH:47][CH:48]=[CH:49][CH:50]=5)=[O:42])[CH2:36]4)[O:4]3)[C:17]=2[N:18]=[CH:19][N:20]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 5

HCID 176Acetic AcidHCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 677747277-((3aR,4R,6R,6aR)-6-(aminomethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-N-(2,4-dimethoxybenzyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amineHCID 67774851Benzyl 3-(3-oxocyclobutyl)propanoate

生成物 1

HCID 67776180
benzyl 3-(3-((((3aR,4R,6R,6aR)-6-(4-((2,4-dimethoxybenzyl)amino)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl)amino)cyclobutyl)propanoate
収率 64%

試薬・触媒・溶媒 1

HCID 111,2-Dichloroethane溶媒

実験手順

To a solution of 7-((3aR,4R,6R,6aR)-6-(aminomethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-N-(2,4-dimethoxybenzyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine (2.5 g, 5.49 mmol), benzyl 3-(3-oxocyclobutyl)propanoate (1.66 g, 7.14 mmol) and HOAc (329 mg, 5.49 mmol) in DCE (40 mL) was added NaB(OAc)3H (2.33 g, 11 mmol) in one portion. Then the resulting reaction mixture was stirred at rt overnight. Saturated aqueous NaHCO3 (40 mL) was added to quench the reaction, then was extracted with DCM (50 mL×3), dried over anhydrous Na2SO4 and concentrated. The crude was purified by SGC (DCM:MeOH=100:1 to 50:1) to afford the desired compound (2.3 g, yield: 64%) as a white solid. 1H NMR (500 MHz, MeOD): δH 8.14 (d, J=2.5 Hz, 1H), 7.35-7.28 (m, 5H), 7.20 (d, J=4.0 Hz, 1H), 7.13 (d, J=8.0 Hz, 1H), 6.64 (d, J=3.0 Hz, 1H), 6.53 (d, J=2.0 Hz, 1H), 6.42 (d, J=8.5 Hz, 1H), 6.18 (d, J=2.5 Hz, 1H), 5.40-5.39 (m, 1H), 5.08-5.07 (m, 2H), 4.96-4.94 (m, 1H), 4.64 (s, 2H), 4.26-4.24 (m, 1H), 3.82 (s, 3H), 3.75 (s, 3H), 3.10-3.05 (m, 0.55H), 2.86-2.82 (m, 2H), 2.26-2.20 (m, 3H), 2.10-1.59 (m, 5H), 1.58 (s, 3H), 1.37 (s, 3H), 1.35-1.25 (m, 0.6H), 1.15-1.08 (m, 0.5H) ppm; LC-MS (m/z): 672.4 [M+1]+.

後処理

  1. customThen the resulting reaction mixture
  2. customto quench
  3. customthe reaction
  4. extractionwas extracted with DCM (50 mL×3)
  5. dry with materialdried over anhydrous Na2SO4
  6. concentrationconcentrated
  7. customThe crude was purified by SGC (DCM:MeOH=100:1 to 50:1)

出典と根拠

ORDレコード
ord-59beabd20b194d9dbcd2c380be4731c0
出典データセット
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08580762B2

反応ノート

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