1997 cleavage reactions, decomposition reactions, pyrolysis cleavage reactions, decomposition reactions, pyrolysis O 0100 11 -035 An Unprecedented Cleavage of the β-Lactam Ring: A Novel Synthesis of Acyclic N,O-and N,S-Acetals. -The β-lactam ring-cleavage leading to the title compounds proceeds by n
Synthesis of the carbapenam ring system via carbene mediated rearrangement of an n-benzyloxy-β-lactam
✍ Scribed by Matthew A. Williams; Marvin J. Miller
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- French
- Weight
- 161 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
✦ Synopsis
The c~-diazoester I in the presence of catalytic Rh2(OAc)4 was converted to the carbapenam 2. The synthesis of 1 and a proposed mechanism are described.
A variety of strategies currently exists in the literature for the synthesis of bicyclic 13-1actams.
📜 SIMILAR VOLUMES
## Abstract The one‐pot thionation process utilizes thiourea for the synthesis of thioamides (II) via Beckmann rearrangement of ketoximes (I).
The cinchona alkaloid-mediated opening of prochiral cyclic anhydrides in the presence of benzyl alcohol leading to optically active hemiesters is described. Structurally diverse anhydrides are converted into their corresponding benzyl monoesters with either enantiomer being obtained with up to 99% e