Sodium Hydroxide → 2-Hydroxyabacavir

HRID 357713노트

반응식

HRID 357713 반응식
[NH2:1][C:2]1[N:10]=[C:9]2[C:5]([N:6]=[CH:7][N:8]2[C@H:11]2[CH2:15][C@H:14]([OH:16])[C@@H:13]([CH2:17][OH:18])[CH2:12]2)=[C:4](Cl)[N:3]=1.[CH:20]1([NH2:23])[CH2:22][CH2:21]1.[OH-].[Na+]>C(O)C>[NH2:1][C:2]1[N:10]=[C:9]2[C:5]([N:6]=[CH:7][N:8]2[C@H:11]2[CH2:15][C@H:14]([OH:16])[C@@H:13]([CH2:17][OH:18])[CH2:12]2)=[C:4]([NH:23][CH:20]2[CH2:22][CH2:21]2)[N:3]=1

참가 물질

5

반응물 3

HCID 14798Sodium HydroxideHCID 69828CyclopropylamineHCID 11108834HCID 11108834, 화합물

생성물 1

HCID 99484072-Hydroxyabacavir

시약·촉매·용매 1

HCID 702Ethanol용매

실험 절차

(+)-(1S, 2R, 4R)-4-(2-Amino-6chloro-9H-purin-9-yl)-2-(hydroxymethyl)cyclopentanol (425 mg, 1.5 mmol), cyclopropylamine (Aldrich, 1.4 mL), and ethanol (4 mL) were refluxed for 3 hours. To the cooled solution was added 1N sodium hydroxide (1.5 mL. The residual oil left on evaporation of volatiles under vacuum was chromatographed on silica gel. Title compound was eluted with methanol: ethyl acetate/15:85 as a white solid foam which solidified to white powder in methanol-acetonitrile (309 mg, 68%); m.p. 174°-176° C.; mass spectrum (Cl, CH4)305 (M+1); 1 H-NMR(DMSO-d6)δ: 7.79(s, 1, H-8); 7.25(d, J=2.9 Hz, 1, NH), 5.79(s, 2, NH2),4.90-4.75(m, 1, CH-N), 4.73 (d, J=4.0 Hz, 1, OH), 4.63(t, J=5.3 Hz, 1, CHOH),4.08-4.00(m, 1, CHO), 3.58-3.38(m, 2, CH2 O), 3.05-2.95(m, 1CH-NH), 2.35-2.20(m, 1, CH),2.18-2.0(m, 1,1/2CH2)2.0-1.9(m, 2, methylene), 1.7-1.5(m, 1,1/2CH2), 0.70-0.50(m, 4, 2CH2 of cyclopropyl); [α]20589 +7.72°, [α]20578 +7.87°, [α]20546 +8.77°, [α]20436 +14.4°, [α]20365 +20.1°(c=0.66, methanol).

후처리

  1. waitThe residual oil left on evaporation of volatiles under vacuum
  2. customwas chromatographed on silica gel
  3. washTitle compound was eluted with methanol

출처 및 근거

ORD 기록
ord-de4af7704f6248feac42f75f5b6541c2
출처 데이터셋
uspto-grants-1998_11
특허 번호
US05840990

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