Isopropyl iodide → HCID 67774489, compound

HRID 511673Notes

Reaction equation

HRID 511673 reaction equation
C([O-])([O-])=O.[K+].[K+].[NH2:7][C:8]1[N:16]=[CH:15][N:14]=[C:13]2[C:9]=1[N:10]=[CH:11][N:12]2[C@H:17]1[C@@H:21]2[O:22][C:23]([CH3:26])([CH3:25])[O:24][C@@H:20]2[C@@H:19]([CH2:27][NH:28][CH:29]2[CH2:32][CH:31]([CH2:33][CH2:34][C:35]([O:37][CH2:38][C:39]3[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=3)=[O:36])[CH2:30]2)[O:18]1.I[CH:46]([CH3:48])[CH3:47]>CC#N.CCOC(C)=O>[NH2:7][C:8]1[N:16]=[CH:15][N:14]=[C:13]2[C:9]=1[N:10]=[CH:11][N:12]2[C@H:17]1[C@@H:21]2[O:22][C:23]([CH3:25])([CH3:26])[O:24][C@@H:20]2[C@@H:19]([CH2:27][N:28]([CH:46]([CH3:48])[CH3:47])[CH:29]2[CH2:32][CH:31]([CH2:33][CH2:34][C:35]([O:37][CH2:38][C:39]3[CH:40]=[CH:41][CH:42]=[CH:43][CH:44]=3)=[O:36])[CH2:30]2)[O:18]1

Participants

6

Reactant 3

HCID 6362Isopropyl iodideHCID 11430Potassium CarbonateHCID 67775599benzyl 3-(3-((((3aR,4R,6R,6aR)-6-(6-amino-9H-purin-9-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl)amino)cyclobutyl)propanoate

Product 1

HCID 67774489HCID 67774489, compound

Reagents, catalysts & solvents 2

HCID 6342AcetonitrileSolventHCID 8857Ethyl AcetateSolvent

Conditions

Temperature
95 °C

Procedure

K2CO3 (528.92 mg, 3.83 mmol) was added to a solution of benzyl 3-[3-({[(3aR,4R,6R,6aR)-6-(6-amino-9H-purin-9-yl)-2,2-dimethyl-tetrahydro-2H-furo[3,4-d][1,3]dioxol-4-yl]methyl}amino)cyclobutyl]propanoate (1.00 g, 1.91 mmol) and 2-iodopropane (0.57 ml, 5.74 mmol) in MeCN and stirred at 95° C. in a sealed tube for 18 hours. The reaction mixture was diluted with EtOAc (20 ml), filtered and evaporated to dryness. Purification by silica gel chromatography, eluting with 7N NH3 in MeOH:DCM (1:99-5:95) gave the desired product as a colourless oil, 700 mg (65%); MS (ESI+) for C30H40N6O5 m/z 565.70 [M+H]+; HPLC purity 96% (ret. time, 1.48 min); 1H NMR (500 MHz, CHLOROFORM-d) δH ppm 8.35 (d, J=3.5 Hz, 1H), 7.88 (d, J=3.2 Hz, 1H), 7.44-7.29 (m, 5H), 6.03 (t, J=2.2 Hz, 1H), 5.62-5.42 (m, 3H), 5.10 (d, J=3.3 Hz, 2H), 5.06-4.92 (m, 1H), 4.26 (dt, J=9.9, 3.4 Hz, 1H), 3.46-2.84 (m, 2H), 2.88-2.61 (m, 1H), 2.51 (ddd, J=14.0, 9.1, 7.5 Hz, 1H), 2.33-2.15 (m, 2H), 2.50-2.13 (m, 2H), 2.16-1.74 (m, 4H), 1.60 (s, 3H), 1.43-1.35 (m, 4H), 0.96 (d, J=6.7 Hz, 3H), 0.79 (d, J=6.6 Hz, 3H).

Workup

  1. filtrationfiltered
  2. customevaporated to dryness
  3. customPurification by silica gel chromatography
  4. washeluting with 7N NH3 in MeOH:DCM (1:99-5:95)

Sources & evidence

ORD record
ord-9ae6c088926c40b9a0f4012d6adc312d
Source dataset
uspto-grants-2015_08
Patent number
US09096634B2

Reaction notes

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