7-(chloromethyl)-3-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one → 7-({6-[2-(5-Chloro-2,4-dimethoxyphenyl)ethyl]-6-cyclopentyl-4-hydroxy-2-oxo-5,6-dihydro-2H-pyran-3-yl}methyl)-3-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one

HRID 858741Notes

Reaction equation

HRID 858741 reaction equation
Cl[CH2:2][C:3]1[N:4]=[C:5]2[S:12][CH:11]=[C:10]([CH3:13])[N:6]2[C:7](=[O:9])[CH:8]=1.ClCC1N(C)N=C(C)N=1.[Cl:23][C:24]1[C:25]([O:47][CH3:48])=[CH:26][C:27]([O:45][CH3:46])=[C:28]([CH2:30][CH2:31][C:32]2([CH:40]3[CH2:44][CH2:43][CH2:42][CH2:41]3)[O:37][C:36](=[O:38])[CH2:35][C:34](=[O:39])[CH2:33]2)[CH:29]=1>>[Cl:23][C:24]1[C:25]([O:47][CH3:48])=[CH:26][C:27]([O:45][CH3:46])=[C:28]([CH2:30][CH2:31][C:32]2([CH:40]3[CH2:44][CH2:43][CH2:42][CH2:41]3)[O:37][C:36](=[O:38])[C:35]([CH2:2][C:3]3[N:4]=[C:5]4[S:12][CH:11]=[C:10]([CH3:13])[N:6]4[C:7](=[O:9])[CH:8]=3)=[C:34]([OH:39])[CH2:33]2)[CH:29]=1

Participants

4

Reactant 3

HCID 43541347-(chloromethyl)-3-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-oneHCID 131031005-(chloromethyl)-1,3-dimethyl-1H-1,2,4-triazoleHCID 167287016-[2-(5-Chloro-2,4-dimethoxy-phenyl)ethyl]-6-cyclopentyl-tetrahydropyran-2,4-dione

Product 1

HCID 587623847-({6-[2-(5-Chloro-2,4-dimethoxyphenyl)ethyl]-6-cyclopentyl-4-hydroxy-2-oxo-5,6-dihydro-2H-pyran-3-yl}methyl)-3-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-oneYield 18%

Procedure

The title compound was prepared as described in Example B(53), using 7-(chloromethyl)-3-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one (prepared according to a reported procedure: Doria, G.; Passarotti, C.; Sala, R.; Magrini, R.; Sberze, P.; Tibolla, M.; Cesarani, R.; Arcari, G.; Castello, R.; Toti, D. Farmaco Ed. Sci. 1985, 40, 885) in place of 5-(chloromethyl)-1,3-dimethyl-1H-1,2,4-triazole, and using 6-[2-(5-chloro-2,4-dimethoxyphenyl)ethyl]-6-cyclopentyldihydro-2H-pyran-2,4(3H)-dione in place of 6-[2-(3-chloro-4-methoxyphenyl)ethyl]-6-cyclopentyldihydro-2H-pyran-2,4(3H)-dione. Yield: 18%.

Workup

  1. customprepared

Sources & evidence

ORD record
ord-b660e9a32cfd41588b25361688c3df25
Source dataset
uspto-grants-2006_12
Patent number
US07148226B2

Reaction notes

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