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C→N Migrations of the Ethoxycarbonyl Group in Reactions of ortho-Substituted Aryl Isocyanates with the 1,3-Zwitterion Derived from Triisopropylphosphine and Ethyl 2-Cyanoacrylate.

✍ Scribed by Yu. G. Gololobov; P. V. Petrovskii; E. M. Ivanova; O. A. Linchenko; R. Schmutzler; L. Ernst; P. G. Jones; A. Karacar; M. Freytag; S. Okucu

Publisher
John Wiley and Sons
Year
2003
Weight
92 KB
Volume
34
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

For Abstract see ChemInform Abstract in Full Text.

📜 SIMILAR VOLUMES

Reversible C ⇆ N migration of the ethoxy
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## Abstract Pyridinium and isoquinolinium ylides (**__7__** and **__12__**) derived from malonic ester react in an unusual manner with isocyanates giving the new pyridinium ylide (**__9__**) and the new isoquinolinium ylide (**__14__**). __C__ → __N__ Migration of the COOEt group takes place at roo

Kinetics and mechanism of the unusual in
Kinetics and mechanism of the unusual insertion reactions of aryl isocyanates into the CC bond of the phosphonium zwitter-ion derived by the reaction of triisopropylphosphine with ethyl 2-cyanoacrylate
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The kinetics of the reactions of aryl isocyanates with the zwitterion formed by the addition of triisopropylphosphine to ethyl 2-cyanoacrylate in acetonitrile solution have been determined by a spectrophotometric method. It was established that the reaction is second order overall, first order with