Hydrochloric Acid → (2S)-2-(3-(2-chlorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yloxy)-N-(5-chloropyridin-2-yl)-3-(2-hydroxyethoxy)propanamide

HRID 1098042노트

반응식

HRID 1098042 반응식
Cl.[Si]([O:19][CH2:20][CH2:21][O:22][CH2:23][C@H:24]([O:35][C:36]1[C:37]2[N:44]=[N:43][N:42]([C:45]3[CH:50]=[CH:49][CH:48]=[CH:47][C:46]=3[Cl:51])[C:38]=2[N:39]=[CH:40][N:41]=1)[C:25]([NH:27][C:28]1[CH:33]=[CH:32][C:31]([Cl:34])=[CH:30][N:29]=1)=[O:26])(C(C)(C)C)(C1C=CC=CC=1)C1C=CC=CC=1>CO>[Cl:51][C:46]1[CH:47]=[CH:48][CH:49]=[CH:50][C:45]=1[N:42]1[C:38]2[N:39]=[CH:40][N:41]=[C:36]([O:35][C@@H:24]([CH2:23][O:22][CH2:21][CH2:20][OH:19])[C:25]([NH:27][C:28]3[CH:33]=[CH:32][C:31]([Cl:34])=[CH:30][N:29]=3)=[O:26])[C:37]=2[N:44]=[N:43]1

참가 물질

4

반응물 2

HCID 313Hydrochloric AcidHCID 57504543(2S)-3-(2-(tert-butyldiphenylsilyloxy)ethoxy)-2-(3-(2-chlorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yloxy)-N-(5-chloropyridin-2-yl)propanamide

생성물 1

HCID 57504544(2S)-2-(3-(2-chlorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yloxy)-N-(5-chloropyridin-2-yl)-3-(2-hydroxyethoxy)propanamide수율 31.4%

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

Hydrochloric acid (10%, 1 mL) was added dropwise to (2S)-3-(2-(tert-butyldiphenylsilyloxy)ethoxy)-2-(3-(2-chlorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yloxy)-N-(5-chloropyridin-2-yl)propanamide (Intermediate AP4) (180 mg, 0.25 mmol) in methanol (20.00 mL) at room temperature. The resulting solution was stirred for 4 hours. Most of the methanol was evaporated and the remaining aq. soln was diluted with saturated NH4Cl and extracted with EtOAc (2×30 mL). The organic layers were combined, dried (MgSO4) and evaporated to give crude product. The crude product was purified by preparative HPLC (Waters XBridge Prep C18 OBD column, 5μ silica, 50 mm diameter, 150 mm length), using decreasingly polar mixtures of water (containing 0.1% formic acid) and MeCN as eluents. Fractions containing the desired compound were evaporated to dryness to afford (2S)-2-(3-(2-chlorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yloxy)-N-(5-chloropyridin-2-yl)-3-(2-hydroxyethoxy)propanamide (38.0 mg, 31.4%). 1H NMR (400 MHz, CDCl3) δ3.72-3.83 (m, 4H), 4.19-4.32 (m, 2H), 6.15 (t, 1H), 7.50-7.63 (m, 3H), 7.66-7.72 (m, 2H), 8.15-8.27 (m, 2H), 8.72 (s, 1H), 9.16 (s, 1H) OH not observed; m/z (ESI+) (M+H)+=490.16; HPLC tR=2.15 min

후처리

  1. customMost of the methanol was evaporated
  2. additionthe remaining aq. soln was diluted with saturated NH4Cl
  3. extractionextracted with EtOAc (2×30 mL)
  4. dry with materialdried (MgSO4)
  5. customevaporated
  6. customto give crude product
  7. customThe crude product was purified by preparative HPLC (Waters XBridge Prep C18 OBD column, 5μ silica, 50 mm diameter, 150 mm length)
  8. additionFractions containing the desired compound
  9. customwere evaporated to dryness

출처 및 근거

ORD 기록
ord-46071383d5b043aa88ac12a7224ecf83
출처 데이터셋
uspto-grants-2012_03
특허 번호
US08143263B2

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