5-溴烟酰胺 、 1,1,3,3-四甲氧基丙烷 在
氮 、 乙酸乙酯 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 18.0h,
以afforded the title compound (1.05 g, 22%) as a white solid的产率得到3-bromo-5-(2-pyrimidinyl)pyridine
6-O-Carbamate-11,12-lacto-ketolide antimicrobials of the formula (I) wherein R1, R2, R3 R7, and R8 are as described herein and in which the substituents have the meaning indicated in the description. These compounds are useful as antibacterial agents.