例句 /

Abstract: A wide variety of natural products, e.g. alkaloids, β-lactames, biotin, amino sugars has been synthesized by 1,3-dipolar cycloaddition reaction between nitrones and alkenes.

Abstract: A wide variety of natural products, e.g. alkaloids, β-lactames, biotin, amino sugars has been synthesized by 1,3-dipolar cycloaddition reaction between nitrones and alkenes.

文摘:通过硝酮与烯烃化合物的1,3-偶极环加成反应合成了许多天然产物,如生物碱、β-内酰胺、生物素、氨基糖等。