for a faster, safer protocol for the direct synthesis of 5-aryltetrazoles from aryl nitriles in the presence of sodium azide and an amine hydrochloride salt led to the discovery of a buffered system comprised of BnNH2, BnNH2·HCl, and NaN3. After optimization of reaction conditions and a thorough investigation of reaction safety, the procedure was demonstrated for the synthesis of several hundred grams
在
叠氮化
钠和胺盐酸盐存在下,寻找一种从芳基腈直接合成5-芳基
四唑的更快,更安全的方法,导致发现了由BnNH 2,BnNH 2 ·HCl和NaN组成的缓冲体系。3。的反应条件和反应安全彻查优化之后,该过程被证明为几
百克4-
氯-2-(2-合成ħ -
四唑-5-基)
苯酚。通过使用16种额外的芳基和杂芳基腈底物进行小规模反应筛查,确定了开发的反应条件的一般性。