| 摘要 |
<p>AZETIDINESULFENIC ACIDS This invention relates to compounds of the formula Formula I wherein R is or Formula II Formula III which exhibit antibacterial activity. The invention further provides a process for preparing compounds of Formula I by reacting a silyl ester compound of the formula Formula IV wherein Ra is or Formula V Formula VI and R1 is C1-C4 alkyl or phenyl, with water or an alcohol.</p> |
