Boc deprotection, and heterocycle condensation) to regioselectively prepare hindered C(sp3) substituted pyrazoles and triazoles. The operational simplicity of this sequence and ubiquity of tertiary carboxylic acids allow rapid access to hindered N-alkyl azaheterocycles that will be useful to practitioners of medicinal chemistry and agro-chemistry.
在这封信中,我们报告了一种通用的一锅策略,该策略利用三个基本步骤(脱羧酰
肼化,Boc脱保护和杂环缩合)来选择性地制备受阻C(sp 3)取代的
吡唑和三唑。该序列的操作简单性和叔
羧酸的普遍性允许快速获得受阻的N-烷基氮杂杂环,这对于药物
化学和农业
化学的从业者将是有用的。