| 摘要 |
The present invention relates to a process for the preparation of 5-{4-[2-(N-methyl-N-(2-pyridyl)amino)ethoxy]benzyl-2,4-thiazolidinedione of formula (I) (Rosiglitazone), which comprises the reaction of 5-{4-[2-(N-methyl-N-(2-pyridyl)amino)ethoxy]benzylidene-2,4-thiazolidinedione of formula (II), with a 1,4-dihydropyridine of general formula (III).
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