| 摘要 |
<p>A process for the preparation of acylureido penicillin derivatives is disclosed. In particular this invention concerns an economical process for the preparation with high yield of penicillin derivatives of the formula <IMAGE> where R1 represents phenyl or hydroxyphenyl and R2 a member selected from the group consisting of hydrogen, a protecting group, sodium, potassium and calcium. The compounds are useful as anti-bacterial agents for human and animals.</p> |
