This invention relates to crystals of compounds of formula (I), wherein TBS represents t-butyldimethylsilyl, and Ph represents phenyl, or its salt or solvate. Compounds of formula (I) are synthesis intermediates of 2-substituted-1β-methyl carbapenem compounds useful as antimicrobial agents. The crystals of the present invention have excellent handleability and can realize the production of carbapenem compounds having excellent antimicrobial actibity in a simpler manner with improved yield and purity.
本发明涉及式(I)化合物的晶体,其中TBS代表叔丁基二甲基
硅基,Ph代表苯基,或其盐或溶剂合物。式(I)化合物是2-取代-1β-甲基头孢烯类化合物的合成中间体,可用作抗微
生物剂。本发明的晶体具有优异的可操作性,可以更简单地实现生产具有优异抗微
生物活性的头孢烯类化合物,同时提高产率和纯度。