As a kind of important organic synthetic block, the conversion reaction of 3-phenol has always been a hot research topic for chemical workers. In the past ten years, people mainly around 3-lymethanol, color alcohol research work, substrate selection is relatively narrow, reaction mode is fixed, in order to further broaden the reaction type of 3-sterol, the construction of structural diversity of compounds containing pyridine compounds, we will design the synthesis of different side chain length of 3-sterol base, looking for mild and simple catalytic reagents, to create a new reaction mode
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