Process for producing Queen and Queen Derivatives, derivatives and Pharmaceutical Composition and Cosmetic preparation loscontienen

摘要

It refers to a procedure for the production of laughter, sulfur dioxide and other sulfur dioxide derivatives, including the following steps: according to formula (I), diphenyl ether is a diphenyl ether,In R1 es-or-nr-sr, R and R may be the same or different, representing each tar or aromatic group; R2 is h or functional protection group - Oh; R5 is h or C1-C4 tar, containing an acid or super acid that can produce a derivative 1-aminoketone, diazepine, and replaced by 2-OH, Protection and acid group selective clearance: these rijna ydiacerein compounds contribute to the treatment of degenerative diseases of the joint.