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

HRID 342895
Notes
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Reaction equation

HRID 342895 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
ParticipantsProcedureWorkupSources & evidenceReaction notes

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 solyent was evaporated and the residue purified by silica gel chromatography. The product was eluted with 5% MeOH/CH2Cl2. The appropriate fractions 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 solyent was evaporated
  2. customthe residue purified by silica gel chromatography
  3. washThe product was eluted with 5% MeOH/CH2Cl2
  4. customThe appropriate fractions were evaporated

Sources & evidence

ORD record
ord-65e80d54b7644f01aea47240564a0891
Source dataset
uspto-grants-1999_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05859221

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes