Diastereoselective B(C6F5)3‑Catalyzed Reductive Carbocyclization of Unsaturated Carbohydrates
收藏Figshare2016-08-15 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Diastereoselective_B_C_sub_6_sub_F_sub_5_sub_sub_3_sub_Catalyzed_Reductive_Carbocyclization_of_Unsaturated_Carbohydrates/3567933
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A B(C6F5)3-catalyzed method for the selective conversion of unsaturated carbohydrates to cyclopentanes and cyclopropanes is disclosed. Catalyst activation of tertiary silanes generates the ion pair [(C6F5)3B–H][ROSi2] whose components synergistically activate C–O bonds for diastereoselective C–C bond formation. Sila-THF cations are invoked as key intermediates facilitating carbocyclizations. Complex chiral synthons are thereby obtained in a single pot.
创建时间：
2016-08-15
