SEARCH Articles Figures Tables 4-Thiochromanone use of trityl perchlorate Acids Trityl perchlorate Chromanone, 4-thiodehydrogenation use of trityl perchlorate Chromanones use of trityl perchlorate Lewis acid catalysts trityl perchlorate Mukaiyama aldol reaction Trityl perchlorate Trityl Trityl perchlorate aldol reaction Trityl perchlorate allylsilane reaction with acetals Trityl perchlorate catalyst Trityl perchlorate-mediated Tritylation Trityls Use of trityl perchlorate