Adenosine → 2'-O-(Imidazol-1-yl)butylguanosine

HRID 341926Notes

Reaction equation

HRID 341926 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:26][C@H:25]([CH2:27][OH:28])[C@@H:23]([OH:24])[C@H:12]2[O:13][CH2:14][CH2:15][CH2:16][CH2:17][N:18]2[CH:22]=[CH:21][N:20]=[CH:19]2)=[C:4](N)[N:3]=1.NC1N=C2C(N=CN2[C@@H]2O[C@H](CO)[C@@H](OCCCCN3C=CN=C3)[C@H]2[OH:42])=C(N)N=1.[C@@H]1(N2C3N=CN=C(N)C=3N=C2)O[C@H](CO)[C@@H](O)[C@H]1O>>[N:18]1([CH2:17][CH2:16][CH2:15][CH2:14][O:13][C@@H:12]2[C@H:23]([OH:24])[C@@H:25]([CH2:27][OH:28])[O:26][C@H:11]2[N:8]2[C:9]3[N:10]=[C:2]([NH2:1])[NH:3][C:4](=[O:42])[C:5]=3[N:6]=[CH:7]2)[CH:22]=[CH:21][N:20]=[CH:19]1

Participants

4

Reactant 3

HCID 60961AdenosineHCID 228747352,6-Diamino-9-[2-O-(imidazol-1-yl)butyl-beta-D-ribofuranosyl]purineHCID 228747382,6-diamino-9-[3-O-(imidazol-1-yl)butyl-beta-D-ribofuranosyl]purine

Product 1

HCID 1360797852'-O-(Imidazol-1-yl)butylguanosine

Procedure

A mixture of the 2,6-diamino-9-[2'-O-(imidazol-1-yl)butyl-β-D-ribofuranosyl]purine and 2,6-diamino-9-[3'-O-(imidazol-1-yl)butyl-β-D-ribofuranosyl]purine isomers in 0.1M tris buffer (pH 7.4), 0.1M NaSO4 buffer (pH 7.4) and DMS0 is treated with adenosine deaminase at RT for 5 days as per the procedure of Example 3. The product containing fractions are purified by silica gel chromatography and the product containing fraction evaporated to give the product.

Workup

  1. additionThe product containing fractions
  2. customare purified by silica gel chromatography
  3. additionthe product containing fraction
  4. customevaporated
  5. customto give the product

Sources & evidence

ORD record
ord-36ccf58c60604cf19b19bc6aa31c34d8
Source dataset
uspto-grants-1999_01
Patent number
US05856466

Reaction notes

Loading…