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Highly Unsaturated Cyclobutane Derivatives

✍ Scribed by Richard P. Johnson

Publisher
John Wiley and Sons
Year
2007
Weight
11 KB
Volume
38
Category
Article
ISSN
0931-7597

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📜 SIMILAR VOLUMES

Cyclopropane and Cyclobutane Derivatives
Cyclopropane and Cyclobutane Derivatives by Rearrangement of Unsaturated Compounds
✍ M. Hanack 📂 Article 📅 1965 🏛 John Wiley and Sons 🌐 English ⚖ 227 KB

a-Halogenated amines are formed by cleavage of aminals with acid halides. Analogously, N,N,N',N'-tetraalkylmethylenediamines react with sulfonic anhydrides t o yield dialkylmethyleneimonium sulfonates and dialkylsulfonamides. Tetraethyl pyrophosphate reacts with aminals or a-dialkylamino ethers to p

The First Tetrathio-Substituted Cyclobut
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✍ Spannenberg, Anke ;Holdt, Hans-Jürgen ;Teller, Joachim ;Praefcke, Klaus ;Kopf, J 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 279 KB

## Abstract The first tetrathio‐substituted cyclobutane‐1,2,3,4‐tetracarbonitrile 9 was obtained by an intramolecular photoinduced [2 + 2] cycloaddition reaction of the 14‐membered macrocyclic tetrathioether 7 containing two 1,2‐dicyano‐1,2‐dithioethene units in dichloromethane in 73% yield.