蘆福遞降反應(Ruff遞降法),糖化學中的遞降反應之一,常用於糖類結構的測定及糖類的合成。反應中,先用溴水將糖氧化成糖酸,與氫氧化鈣作用成糖酸鈣鹽,然後在乙酸鐵、氯化鐵或硫酸鐵等三價鐵化合物(Ruff試劑)的作用下,通過過氧化氫的氧化,得到一個不穩定的α-酮酸,失去二氧化碳,得到少一個碳的醛糖。反應機理比較複雜。
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