PROCESS AND INTERMEDIATES FOR THE SYNTHESIS OF 1,2-SUBSTITUTED 3,4-DIOXO-1-CYCLOBUTENE COMPOUNDS

摘要

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.