The reaction of hydrazine hydrate with a new α,γ-diketone ester 3, derived from the reaction of 2,6-dimethyl-3,5-diace......

A series of novel 7-amide substituted-4-androstene-3,17-dione derivatives(8βαa-8αh or 8βa-8βh) was synthesized from......

以赖氨酸和酸酐为原料合成了含羧基和氨基的酰胺类化合物。考察了溶剂、原料配比、反应温度、反应时间对产率的影响,确定了最佳反......

以哌啶-4-基氨基甲酸叔丁酯和甲氨基甲酰氯为原料,通过N-酰基化和脱Boc保护两步反应合成目标化合物4-氨基-N-甲基哌啶-1-甲酰胺盐......