𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Conversion of a plancher pyrrolenine into a β chloropyridine

✍ Scribed by R. Nicoletti; M.L. Forcellese

Publisher
Elsevier Science
Year
1965
Tongue
French
Weight
107 KB
Volume
6
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

A stereospecific conversion of berberine
A stereospecific conversion of berberine into (±)-β-hydrastine
✍ Maurice Shamma; David M. Hindenlang; Tai-Teh Wu; Jerome L. Moniot 📂 Article 📅 1977 🏛 Elsevier Science 🌐 French ⚖ 195 KB

The conversion of berberine (1) into a I:2 mixture of (A)-c(-hydrastine (3) and (+)-6hydrastine (4) through the intermediacy of 8-methoxyberberinephenolbetaine (2) has been recorded.2 The betaine 2 can be obtained by means of the ferricyanide oxidation of berberine, followed by treatment with meth

Studies on β-lactam antibiotics. I. A no
Studies on β-lactam antibiotics. I. A novel conversion of penicillins into cephalosporins
✍ Takashi Kamiya; Tsutomu Teraji; Yoshihisa Saito; Masashi Hashimoto; Osamu Nakagu 📂 Article 📅 1973 🏛 Elsevier Science 🌐 French ⚖ 217 KB

The sulfenic acid intermediate (A) formed by a thermal sigmatropic rearrangement of penicillin sulfoxides (I) has been trapped either intramolecularly or intermolecularly by several methods. 1) Our efforts have been directed to the preparation of a key intermediate useful for syntheses of modified B