1-Iodooctadecane → 2,6-Diamino-9-(2-O-octadecyl-beta-D-ribofuranosyl)purine

HRID 368715

Reaction equation

HRID 368715 reaction equation
[NH2:1][C:2]1[N:10]=[C:9]2[C:5]([N:6]=[CH:7][N:8]2[C@@H:11]2[O:17][C@H:16]([CH2:18][OH:19])[C@@H:14]([OH:15])[C@H:12]2[OH:13])=[C:4]([NH2:20])[N:3]=1.[H-].[Na+].I[CH2:24][CH2:25][CH2:26][CH2:27][CH2:28][CH2:29][CH2:30][CH2:31][CH2:32][CH2:33][CH2:34][CH2:35][CH2:36][CH2:37][CH2:38][CH2:39][CH2:40][CH3:41]>CN(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[O:17][C@H:16]([CH2:18][OH:19])[C@@H:14]([OH:15])[C@H:12]2[O:13][CH2:41][CH2:40][CH2:39][CH2:38][CH2:37][CH2:36][CH2:35][CH2:34][CH2:33][CH2:32][CH2:31][CH2:30][CH2:29][CH2:28][CH2:27][CH2:26][CH2:25][CH3:24])=[C:4]([NH2:20])[N:3]=1

Participants

5

Reactant 3

HCID 124021-IodooctadecaneHCID 24758Sodium hydrideHCID 722002-Aminoadenosine

Product 1

HCID 117311872,6-Diamino-9-(2-O-octadecyl-beta-D-ribofuranosyl)purineYield 11.4%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

2,6-Diamino-9-(β-D-ribofuranosyl)purine (50 g, 180 mmol) and sodium hydride (7 g) in DMF (1 l) were heated to boiling for 2 hr. Iodooctadecane (100 g) was added at 150° C. and the reaction mixture allowed to cool to RT. The reaction mixture was stirred for 11 days at RT. The solvent was evaporated and the residue purified by silica gel chromatography. The product was eluted with 5% MeOH/CH2Cl2. The product containing fraction were evaporated to yield the product (11 g). 1H NMR (DMSO-d6) δ 0.84 (t, 3, CH2); 1.22 [m, 32, O--CH2 --CH2 --(CH2)16 --]; 1.86 (m, 2, O--CH2CH2 --); 3.25 (m, 2, O--CH2 --); 3.93 (d, 1, 4'H), 4.25 (m, 1, 3'H); 4.38 (t, 1, 2'H); 5.08 (d, 1, 3'-OH); 5.48 (t, 1, 5'-OH); 5.75 (s, 2, 6-NH2); 5.84 (d, 1, 1'-H); 6.8 (s, 2, 2-NH2); and 7.95 (s, 1, 8-H).

Workup

  1. customThe solvent was evaporated
  2. customthe residue purified by silica gel chromatography
  3. washThe product was eluted with 5% MeOH/CH2Cl2
  4. additionThe product containing fraction
  5. customwere evaporated

Sources & evidence

ORD record
ord-0bc1e61b368343588b8e2f9ae006fec7
Source dataset
uspto-grants-2000_10
Patent number
US06133438

Linked notes

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