A base-promoted reaction between isocyanates and nitrones has been described, allowing an access to a variety of important functionalized amidines under mild reaction conditions. This strategy provides a convenient, effective, and scalable approach for the direct assembly of amidine compounds from simple starting materials in excellent yields.

中文翻译：

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通过异氰酸酯和亚硝基的环加成-脱羧反应方便地合成Am

已经描述了异氰酸酯和硝酮之间的碱促进的反应，允许在温和的反应条件下获得各种重要的官能化am。该策略提供了一种方便，有效且可扩展的方法，可从简单的起始原料以优异的收率直接组装am化合物。