Thermal cycloaddition of dimethyl 1, 2, 4, 5-tetrazine-3, 6-dicarboxylate with electron-rich olefins: 1, 2-diazine and pyrrole introduction. Preparation of …

…, RS Coleman, JS Panek, D Yohannes

Index: Boger, Dale L.; Coleman, Robert S.; Panek, James S.; Yohannes, Daniel Journal of Organic Chemistry, 1984 , vol. 49, # 23 p. 4405 - 4409

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Citation Number: 74

Abstract

The Diels-Alder reactions were carried out in dioxane (0.25 M in 2) under nitrogen as described in the experimental section. the assigned structure. based on pure material isolated by chromatography (SiO, or A1, 0,). carried out in acetic acid (0.09 M in substrate) under nitrogen as described in the Experimental Section. e Ester hydrolyses (NaOH, tetrahydrofuran, reflux) and the subsequent decarboxylation (200" C, 1, 3, 5-triisopro ...

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