An improved synthetic approach to thieno[2,3-<i>d</i>]-1,2,3-thiadiazolecarboxylates<i>via</i>diazotization of aminothiophene derivatives
作者:Peter Stanetty、Erwin Görner、Marko D. Mihovilovic
DOI:10.1002/jhet.5570360330
日期:1999.5
The common synthetic method for the synthesis of fused 1,2,3-thiadiazoles via diazotization is not generally applicable to aminothiophenes. A substantially improved experimental protocol for the preparation of the title compounds as a potential inducer of systemic acquired resistance in plants is reported based on a novel cyclization mechanism via a Huisgen-White type rearrangement.
通过重氮化合成稠合的1,2,3-噻二唑的常用合成方法通常不适用于氨基噻吩。基于经由Huisgen-White类型重排的新型环化机制,报道了用于制备标题化合物作为植物中系统获得性抗性的潜在诱导剂的实质上改进的实验方案。