The crystalline bis(DMF), dihydrate mono(DMF) and mono(DMF) forms of 7β-[2′-(R)-2′-phenyl-2′-aminoacetamido] -3-chloro-3-(1-carbadethiacephem)-4-carboxylic acid (LY163892) are useful intermediates to the monohydrate form of LY163892.
7β-[2′-(R)-2′-phenyl-2′-aminoacetamido] -3-
氯-3-(1-carbadethiacephem)-4-
羧酸(LY163892)的结晶双(
DMF)、二
水单(
DMF)和单(
DMF)形式是 LY163892 一
水合物形式的有用中间体。