This application discloses a novel process for the preparation of 1.2 - substituted 3, 4 - dioxo - 1 - cyclobutene compounds of formula (A), which have utility, for example, in the treatment of CXC chemokine -mediated diseases, and intermediates useful in the synthesis thereof.
该应用程序披露了一种新颖的制备1,2-取代3,4-二氧基-1-
环丁烯化合物(A)的过程,该化合物在治疗CXC
趋化因子介导的疾病等方面具有用途,并且还披露了在其合成中有用的中间体。