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Quinazolines by electrocyclic ring closure of 1,3-diaza-1,3-dienes

✍ Scribed by Elisabetta Rossi; Giuseppe Celentano; Riccardo Stradi; Alberto Strada


Book ID
108382508
Publisher
Elsevier Science
Year
1990
Tongue
French
Weight
169 KB
Volume
31
Category
Article
ISSN
0040-4039

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✍ Dipl.-Chem. Tanja Kanzian; Dr. Simona Nicolini; Dr. Lucia Deβ€…Crescentini; Prof.β€… πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons 🌐 English βš– 417 KB πŸ‘ 1 views

## Abstract The kinetics of the reactions of 1,2‐diaza‐1,3‐dienes **1** with acceptor‐substituted carbanions **2** have been studied at 20 °C. The reactions follow a second‐order rate law, and can be described by the linear free energy relationship log __k__(20 °C)=__s__(__N__+__E__) [Eq.β€…(1)]. Wit