𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Über β-Lactame, V. Zur Darstellung einiger kondensierter β-Lactame

✍ Scribed by Paul, Lieselotte ;Polczynski, Peter ;Hilgetag, Günter


Publisher
Wiley (John Wiley & Sons)
Year
1967
Tongue
English
Weight
318 KB
Volume
100
Category
Article
ISSN
0009-2940

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Über einige Umsetzungen des 1-Lactams vo
✍ Behringer, Hans ;Schunck, Rainer 📂 Article 📅 1967 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 317 KB 👁 1 views

Die Athanolyse des 1-Lactams von 2-Thio-hydantoin-[P-propionsaure]-(5) 1 (n=2) in Gegenwart von Triathylamin verlauft anomal unter Offnung des Thiohydantoinrings zu dem Thiocarbamoylester der Struktur 4. Umsetzung des Lactams rnit HN3 bei 150" und darauffolgende saure Hydrolyse liefert ccy-Diarnino-

Neue β-Lactam-Antibiotika. Über die Dars
✍ R. Scartazzini; H. Peter; H. Bickel; K. Heusler; R. B. Woodward 📂 Article 📅 1972 🏛 John Wiley and Sons 🌐 German ⚖ 753 KB

## Abstract ‘7‐aminocephalocillanic acid’ **1**, an intermediate for the preparation of new β‐lactam antibiotics was prepared by transforming the β‐lactam carbinol **2a** to the phosphorane **9a** through several steps. Oxydation of **9a** with DMSO/Ac~2~O led directly to the cyclized ester **11a**

Neue β-Lactam-Antibiotika. Über die Dars
✍ Heinrich Peter; Hans Bickel 📂 Article 📅 1974 🏛 John Wiley and Sons 🌐 German ⚖ 870 KB

## Abstract Benzhydrylic esters of 3‐unsubstituted cephem‐4‐carboxylic acids of types **9** and **10** (__Scheme 2__) are prepared by decarbonylation of esters of 3‐formylcephem compounds of type **2** with tris‐triphenylphosphine‐rhodium chloride. The preparation of the starting materials **2** an