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Hydrochloric Acid → 4-((R)-5-cyclopentyl-4-ethyl-4,5-dihydro-[1,2,4]triazolo[4,3-f]pteridin-7-ylamino)-3-methoxy-N-methylbenzamide

HRID 476133
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HRID 476133 반응식
Cl[C:2]1[N:11]=[CH:10][C:9]2[N:8]3[CH:12]=[N:13][N:14]=[C:7]3[C@@H:6]([CH2:15][CH3:16])[N:5]([CH:17]3[CH2:21][CH2:20][CH2:19][CH2:18]3)[C:4]=2[N:3]=1.[NH2:22][C:23]1[CH:32]=[CH:31][C:26]([C:27]([NH:29][CH3:30])=[O:28])=[CH:25][C:24]=1[O:33][CH3:34].Cl.C([O-])(O)=O.[Na+]>C(O)C.O>[CH:17]1([N:5]2[C:4]3[N:3]=[C:2]([NH:22][C:23]4[CH:32]=[CH:31][C:26]([C:27]([NH:29][CH3:30])=[O:28])=[CH:25][C:24]=4[O:33][CH3:34])[N:11]=[CH:10][C:9]=3[N:8]3[CH:12]=[N:13][N:14]=[C:7]3[C@H:6]2[CH2:15][CH3:16])[CH2:21][CH2:20][CH2:19][CH2:18]1
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참가 물질

6

반응물 4

HCID 313Hydrochloric AcidHCID 516892Sodium BicarbonateHCID 204444344-Amino-3-methoxy-N-methylbenzamideHCID 59389586(R)-7-chloro-5-cyclopentyl-4-ethyl-4,5-dihydro-[1,2,4]triazolo[4,3-f]pteridine

생성물 1

HCID 248899254-((R)-5-cyclopentyl-4-ethyl-4,5-dihydro-[1,2,4]triazolo[4,3-f]pteridin-7-ylamino)-3-methoxy-N-methylbenzamide수율 78%

시약·촉매·용매 1

HCID 19096565Water ethanol용매

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온도
90 °C

실험 절차

To a solution of (R)-7-chloro-5-cyclopentyl-4-ethyl-4,5-dihydro-[1,2,4]triazolo[4,3-f]pteridine (80 mg, 0.263 mmol) in a mixture ethanol/water (1/4, 5 mL) were added 4-amino-3-methoxy-N-methylbenzamide (72 mg, 0.394 mmol) followed by a catalytic amount of concentrated HCl (0.04 mL). The reaction mixture was stirred at 90° C. for 24 hours, then cooled to room temperature and basified with saturated aqueous solution of NaHCO3. The mixture was extracted with ethyl acetate, the organic layer was dried (MgSO4) and the residue purified by flash chromatography to give the title compound as a colourless solid (92 mg, 78% yield); 1H NMR (DMSO D6) 0.75 (3H, t), 1.43-1.60 (4H, m), 1.80-2.07 (6H, m), 2.80 (3H, d), 3.88 (3H, s), 4.19 (1H, m), 5.38 (1H, m), 7.50 (1H, d), 7.59 (1H, s), 7.83 (1H, d), 8.47 (1H, m), 8.67 (1H, s), 9.31 (1H, s), 9.40 (1H, br s); LC/MS M+1 (obs.) 449.3.

후처리

  1. extractionThe mixture was extracted with ethyl acetate
  2. dry with materialthe organic layer was dried (MgSO4)
  3. customthe residue purified by flash chromatography

출처 및 근거

ORD 기록
ord-dc8eec947ea346fea60c876cd543c9b6
출처 데이터셋
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08637666B2

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