Nitrile oxide-azaheptafulvene adducts consist of rapidly equilibrating mixtures of fused (1) and spiro (2) isomers, the relative stabilities of which are nicely reproduced by B3LYP/ 6-31G* calculations. The reaction between these compounds and MTAD affords only two diastereomeric adducts. These adducts are formal Diels-Alder products
Reactions between Triazolindiones and Equilibrating Forms of Cycloheptatriene Derivatives Featuring 7,7-Spiro and 1,7-Fused Heterocyclic Rings
FRECCERO, MAURO;GANDOLFI, REMO;SARZI AMADE', MIRKO;BOVIO, BRUNA
2002-01-01
Abstract
Nitrile oxide-azaheptafulvene adducts consist of rapidly equilibrating mixtures of fused (1) and spiro (2) isomers, the relative stabilities of which are nicely reproduced by B3LYP/ 6-31G* calculations. The reaction between these compounds and MTAD affords only two diastereomeric adducts. These adducts are formal Diels-Alder productsFile in questo prodotto:
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