Reaction equation
[C:1]1([CH:7]([C:35]2[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=2)[CH2:8][NH:9][C:10]2[N:18]=[C:17]([C:19](OC)=[O:20])[N:16]=[C:15]3[C:11]=2[N:12]=[CH:13][N:14]3[C@H:23]2[C@H:27]([OH:28])[C@H:26]([OH:29])[C@@H:25]([C:30]([NH:32][CH2:33][CH3:34])=[O:31])[O:24]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH2:41]([N:48]1[CH2:53][CH2:52][CH:51]([NH2:54])[CH2:50][CH2:49]1)[C:42]1[CH:47]=[CH:46][CH:45]=[CH:44][CH:43]=1>ClCCl>[CH2:41]([N:48]1[CH2:53][CH2:52][CH:51]([NH:54][C:19]([C:17]2[N:16]=[C:15]3[C:11]([N:12]=[CH:13][N:14]3[C@H:23]3[C@H:27]([OH:28])[C@H:26]([OH:29])[C@@H:25]([C:30]([NH:32][CH2:33][CH3:34])=[O:31])[O:24]3)=[C:10]([NH:9][CH2:8][CH:7]([C:1]3[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=3)[C:35]3[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=3)[N:18]=2)=[O:20])[CH2:50][CH2:49]1)[C:42]1[CH:43]=[CH:44][CH:45]=[CH:46][CH:47]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 105 °C
Procedure
A mixture of methyl 6-[(2,2-diphenylethyl)amino]-9-{(2R,3R,4S,5S)-5-[(ethylamino)carbonyl]-3,4-dihydroxytetrahydro-2-furanyl}-9H-purine-2-carboxylate (Preparation 9) (1.0 g, 1.83 mmol) and 1-benzyl-4-piperidinylamine (2.4 ml, 11 mmol) was heated at 105 ° C. for 4 hours. The mixture was dissolved in a little dichloromethane and purified by column chromatography on silica gel eluting with a gradient system of dichloromethane:methanol (98:2, by volume) changing to dichloromethane:methanol (95:5, by volume). After evaporation of appropriate fractions the residue was triturated with diethyl ether, filtered and dried to yield the target compound as a white solid, (1.0 g, 80%).
Workup
- custompurified by column chromatography on silica gel eluting with a gradient system of dichloromethane:methanol (98:2, by volume)
- customAfter evaporation of appropriate fractions the residue
- customwas triturated with diethyl ether
- filtrationfiltered
- customdried
Sources & evidence
- ORD record
- ord-4e23e5a20eca450b9027cb130f97fa3c
- Source dataset
- uspto-grants-2004_06
- Patent number
- US06753322B2
Linked notes
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