In one aspect, the present invention is directed to a one pot method of preparing intermediates of Formula V, which are useful in making inhibitors of phosphodiesterase-4:
1
The present invention is also directed to a method of preparing phosphodiesterase inhibitors comprising the Formula
2
在一个方面,本发明涉及一种制备Formula V中间体的一锅法,该中间体在制备
磷酸二酯酶-4
抑制剂时非常有用:
另外,本发明还涉及一种制备
磷酸二酯酶抑制剂的方法,包括Formula 2。