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Triethylamine → [(S)-3-(6-benzyl-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidin-4-yloxy)-pyrrolidin-1-yl]-(tetrahydro-pyran-4-yl)-methanone

HRID 242333
ノート
印刷プレビュー

反応式

HRID 242333 の反応式
[CH2:1]([N:8]1[CH2:23][CH2:22][C:11]2[N:12]=[CH:13][N:14]=[C:15]([O:16][C@H:17]3[CH2:21][CH2:20][NH:19][CH2:18]3)[C:10]=2[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[O:24]1[CH2:29][CH2:28][CH:27]([C:30](Cl)=[O:31])[CH2:26][CH2:25]1.CCN(CC)CC>C(Cl)Cl>[CH2:1]([N:8]1[CH2:23][CH2:22][C:11]2[N:12]=[CH:13][N:14]=[C:15]([O:16][C@H:17]3[CH2:21][CH2:20][N:19]([C:30]([CH:27]4[CH2:28][CH2:29][O:24][CH2:25][CH2:26]4)=[O:31])[CH2:18]3)[C:10]=2[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
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 3

HCID 8471TriethylamineHCID 2795505Oxane-4-carbonyl chlorideHCID 574953476-benzyl-4-((S)-pyrrolidin-3-yloxy)-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidine

生成物 1

HCID 57495346[(S)-3-(6-benzyl-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidin-4-yloxy)-pyrrolidin-1-yl]-(tetrahydro-pyran-4-yl)-methanone収率 73.6%

試薬・触媒・溶媒 1

HCID 6344
Dichloromethane
溶媒

実験手順

To a solution of 6-benzyl-4-((S)-pyrrolidin-3-yloxy)-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidine (420 mg, 1.35 mmol) in 4 mL of CH2Cl2 was added tetrahydro-pyran-4-carbonyl chloride (0.210 mL, 1.637 mmol) and Et3N (0.380 mL, 2.73 mmol). The reaction mixture was stirred at room temperature for 30 min then was quenched with H2O, extracted with CH2Cl2, filtered and evaporated under vacuum. Purification by flash-chromatography on silica gel (CH2Cl2/MeOH 95/5) gave [(S)-3-(6-benzyl-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidin-4-yloxy)-pyrrolidin-1-yl]-(tetrahydro-pyran-4-yl)-methanone (420 mg, 73% yield) as a yellow foam. 1H NMR (400 MHz, DMSO-d6, 298K) δ ppm 1.37-1.64 (m, 4H) 1.95-2.29 (m, 2H) 2.56-2.83 (m, 4H) 3.28-3.91 (m, 13H) 5.54-5.68 (m, 1H) 7.24-7.36 (m, 5H) 8.54-8.59 (m, 1H). LCMS: [M+H]+=423.6, Rt(7)=0.68.

後処理

  1. customthen was quenched with H2O
  2. extractionextracted with CH2Cl2
  3. filtrationfiltered
  4. customevaporated under vacuum
  5. customPurification by flash-chromatography on silica gel (CH2Cl2/MeOH 95/5)

出典と根拠

ORDレコード
ord-db2e35cd215a4004bb752b0c8686aaec
出典データセット
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08653092B2

反応ノート

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