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Acetic Acid → N4-Ethyl-6-methyl-N2-(4-(oxazol-5-yl)phenyl)-N4-((tetrahydrofuran-2-yl)methyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine-2,4-diamine

HRID 1930668
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HRID 1930668 반응식
[CH2:1]([N:3]([CH2:26][CH:27]1[CH2:31][CH2:30][CH2:29][O:28]1)[C:4]1[C:5]2[CH2:25][NH:24][CH2:23][CH2:22][C:6]=2[N:7]=[C:8]([NH:10][C:11]2[CH:16]=[CH:15][C:14]([C:17]3[O:21][CH:20]=[N:19][CH:18]=3)=[CH:13][CH:12]=2)[N:9]=1)[CH3:2].[C:32](O)(=O)C.C=O.C([BH3-])#N.[Na+]>CO>[CH2:1]([N:3]([CH2:26][CH:27]1[CH2:31][CH2:30][CH2:29][O:28]1)[C:4]1[C:5]2[CH2:25][N:24]([CH3:32])[CH2:23][CH2:22][C:6]=2[N:7]=[C:8]([NH:10][C:11]2[CH:12]=[CH:13][C:14]([C:17]3[O:21][CH:20]=[N:19][CH:18]=3)=[CH:15][CH:16]=2)[N:9]=1)[CH3:2]
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참가 물질

6

반응물 4

HCID 176Acetic AcidHCID 712FormaldehydeHCID 5003444Sodium cyanoborohydrideHCID 59333759N4-Ethyl-N2-(4-(oxazol-5-yl)phenyl)-N4-((tetrahydrofuran-2-yl)methyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine-2,4-diamine

생성물 1

HCID 46199742N4-Ethyl-6-methyl-N2-(4-(oxazol-5-yl)phenyl)-N4-((tetrahydrofuran-2-yl)methyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine-2,4-diamine

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

N4-Ethyl-N2-(4-(oxazol-5-yl)phenyl)-N4-((tetrahydrofuran-2-yl)methyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine-2,4-diamine (125 mg, 0.30 mmol, example 81a) was dissolved in methanol (3 mL). Acetic acid (0.017 mL, 0.30 mmol) was added followed by formaldehyde (0.022 mL, 0.30 mmol). The reaction was stirred at room temperature for 15 minutes and sodium cyanoborohydride (18.7 mg, 0.30 mmol) (MP—CNBH3) was added. The reaction was stirred overnight at room temperature. The MP—CNBH3 was filtered, the solvent evaporated under reduced pressure, the crude dissolved in methanol and purified by preparative HPLC N4-ethyl-6-methyl-N2-(4-(oxazol-5-yl)phenyl)-N4-((tetrahydrofuran-2-yl)methyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine-2,4-diamine (29.8 mg, 21.04%) as acetate salt. MS (ES+) m/z 435.2 (M+H)+

후처리

  1. stirringThe reaction was stirred overnight at room temperature
  2. filtrationThe MP—CNBH3 was filtered
  3. customthe solvent evaporated under reduced pressure
  4. dissolutionthe crude dissolved in methanol
  5. custompurified by preparative HPLC N4-ethyl-6-methyl-N2-(4-(oxazol-5-yl)phenyl)-N4-((tetrahydrofuran-2-yl)methyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine-2,4-diamine (29.8 mg, 21.04%) as acetate salt

출처 및 근거

ORD 기록
ord-ec60bacc885f434e9023e78971b9cfbf
출처 데이터셋
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08188101B2

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