The production by the titanium catalyst of the karubapenemu intermediate field

摘要

(57) Abstract Formula (2) being effective synthetic method of chemical compound, the titanium of 4- acyl -2- azechijinon and the 1- hydroxy -2- butanone derivative, the method of possessing the stage which reacts with zirconium or hahuniumuenoreto is disclosed. Conversion 1