Provided is a novel method of making 2-butyl-3-[[2′(1-trityl-1H-tetrazol-5-yl)biphen-4-yl]methyl]-1,3-diazaspiro[4.4]non-1-ene-4-one, which can be converted to irbesartan. Also provided are methods of making irbesartan.
本发明提供了一种新型的 2-丁基-3-[[2′(1-三苯甲基-
1H-四唑-5-基)
联苯-4-基]甲基]-1,3-二氮杂螺[4.4]
壬-1-烯-4-酮的制造方法,该方法可将其转化为
厄贝沙坦。还提供了制造
厄贝沙坦的方法。