𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Electrocyclization Reactions of 1-Aza- and 1-Oxapentadienyl and -heptatrienyl Cations: Synthesis of Pyrrole and Furan Derivatives

✍ Scribed by Dirk Alickmann; Roland Fröhlich; Andreas H. Maulitz; Ernst-Ulrich Würthwein


Book ID
102676570
Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
558 KB
Volume
2002
Category
Article
ISSN
1434-193X

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Some reactions with ω-bromoacetophenone:
✍ Dr. Fathy M. Abdelrazek 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 347 KB

## Abstract Phenacyl bromide 1 reacts with ethyl cyanoacetate 2 in presence of piperidine catalyst to afford the hexa‐2,4‐diene derivative 5. Ethyl phenacylcyanoacetate 3 was obtained by reaction of 1 with the sodium salt 6. Compound 3 reacts with hydrazines and trichloroacetonitrile to afford the

Synthesis and reactions of 1-bromocyclop
✍ Tamejiro Hiyama; Akihiro Kanakura; Yoshitomi Morizawa; Hitosi Nozaki 📂 Article 📅 1982 🏛 Elsevier Science 🌐 French ⚖ 144 KB

The title compounds derived from 1, 1-dibromocyclopropanes are transformed into (1) cyclopropyltrimethylsilanes via 1-trimethylsilylcyclopropyllithium species, (2) 1-alkylidenecyclopropanes by the Peterson-olef=tion, and (3) 1-acetyl(or 1-allyl)cyclopropylsilanes with dibutylcopperlithium and acetyl