Reaction equation
[CH3:1][CH:2]([N:4]1[C:12](/[CH:13]=[CH:14]/[CH:15]([OH:23])[CH2:16][CH:17]([OH:22])[CH2:18][C:19]([OH:21])=[O:20])=[C:11]([C:24]2[CH:25]=[CH:26][C:27]([F:30])=[CH:28][CH:29]=2)[C:10]2[CH:9]=[CH:8][CH:7]=[CH:6][C:5]1=2)[CH3:3].CC(N1C(/C=C/[C@@H](O)C[C@@H](O)CC([O-])=O)=C(C2C=CC(F)=CC=2)C2C=CC=CC1=2)C.[Na+:61]>>[CH3:3][CH:2]([N:4]1[C:12](/[CH:13]=[CH:14]/[CH:15]([OH:23])[CH2:16][CH:17]([OH:22])[CH2:18][C:19]([O-:21])=[O:20])=[C:11]([C:24]2[CH:29]=[CH:28][C:27]([F:30])=[CH:26][CH:25]=2)[C:10]2[CH:9]=[CH:8][CH:7]=[CH:6][C:5]1=2)[CH3:1].[Na+:61]Participants
Procedure
This example illustrates synthesis of a novel compound of this invention from Fluvastatin. Fluvastatin sodium (5.83 g), which was isolated from Lescol® capsules (commercially available from Novartis Pharmaceuticals, East Hanover, N.J.), was dissolved in 100 mL mixture of methanol and water (50/50, v/v). 50 mL of 10% HCl and 50 mL of methanol were added into the solution and refluxed for 2 hours. Solvent was removed by rotovaping under vacuum to obtain an orange residue. The dry residue (3.23 g) was subjected to silica gel column chromatography twice with hexane/methylene chloride/methanol gradient. The yellow crystals obtained from the fraction 1079-76-3 (Formula II) were re-crystallized with methylene chloride and methanol mixture to produce 1079-76-3C (124 mg). Mass spectrometry and 1H-NMR analysis were performed to identify the fractions as dehydrated methyl ester derivatives of Fluvastatin containing a conjugated all trans triene system in the side chain. 13C-NMR analysis confirmed the provisional structure of 1079-76-3C.
Sources & evidence
- ORD record
- ord-83170c0b917b4a328c13fbcafce03b27
- Source dataset
- uspto-grants-2004_03
- Patent number
- US06699886B2
Linked notes
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