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Triethylamine → 2-fluoro-N-[(R)-1-phenoxy-2-propyl]adenosine

HRID 1379643
Notes
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Reaction equation

HRID 1379643 reaction equation
C([O:4][C@@H:5]1[C@H:9]([O:10]C(=O)C)[C@@H:8]([CH2:14][O:15]C(=O)C)[O:7][C@H:6]1[N:19]1[CH:27]=[N:26][C:25]2[C:20]1=[N:21][C:22]([F:29])=[N:23][C:24]=2Cl)(=O)C.[O:30]([CH2:37][C@H:38]([NH2:40])[CH3:39])[C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1.C(N(CC)CC)C>O1CCOCC1>[F:29][C:22]1[N:23]=[C:24]([NH:40][C@H:38]([CH3:39])[CH2:37][O:30][C:31]2[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=2)[C:25]2[N:26]=[CH:27][N:19]([C:20]=2[N:21]=1)[C@@H:6]1[O:7][C@H:8]([CH2:14][OH:15])[C@@H:9]([OH:10])[C@H:5]1[OH:4]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 5324633(2R)-1-Phenoxy-2-propanamineHCID 115971799-(2,3,5-Tri-O-acetyl-beta-D-ribofuranosyl)-6-chloro-2-fluoro-9H-purine

Product 1

HCID 228772312-fluoro-N-[(R)-1-phenoxy-2-propyl]adenosineYield 28.1%

Reagents, catalysts & solvents 1

HCID 312751,4-Dioxane
Solvent

Procedure

9-(2,3,5-Tri- O-acetyl-β-D-ribofuranosyl)-6-chloro-2-fluoro-9H-purine (1.03 g, 2.38 mmol) PCT Publication No. WO 938206, (R)-1-phenoxy-2-propylamine (0.36 g, 2.38 mmol) and triethylamine (0.29 g, 0.28 mmol) in dioxan (20 ml) were stirred at room temperature for 18 h. The reaction mixture was filtered and evaporated to a residue which was purified by flash chromatography. The resultant 2',3',5'-tri- O-acetyl-2-fluoro- N-[(R)-1-phenoxy-2-propyl]adenosine was deprotected using methanolic ammonia to provide the title 2-fluoro- N-[(R)-1-phenoxy-2-propyl]adenosine (0.28 g, 23%)(after column chromatography), mp 148°-150° C.; 1H NMR (DMSO-d6)δ 1.33 (3H, d, -3.59 (1H, m, H-5'a), 3.63-3.71 (1H, m, H-5'b), 3.92-3.99 (2H, m, H-4' and --C--H), 4.10-4.18 (2H, m, H-3' and --C--H), 4.51 (1H, q, H-2'), 4.61 (1H, m, --CH3C H--), 5.06 (1H, t, 5'-OH), 5.22, 5.48 (2H, 2d, 2' and 3'-OH), 5.82 (1H, d, H-1'), 6.89-6.97 (3H, m, Ar--H), 7.25-7.30 (2H, t, Ar--H), 8.39 (1H, s, H-8), 8.49 (1H, d, N--H).

Workup

  1. filtrationThe reaction mixture was filtered
  2. customevaporated to a residue which
  3. customwas purified by flash chromatography

Sources & evidence

ORD record
ord-1cae8501a66f47d7bdfd5eb71cd00e77
Source dataset
uspto-grants-1997_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05672588

Reaction notes

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