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引用次数: 0
摘要
C 芳基苷作为具有生物活性的天然产物和药物发现中的 O 芳基苷模拟物引起了人们的极大兴趣。在此,我们介绍了一种通过光氧化/Ni 双催化剂在溴化糖基和芳基溴之间进行还原交叉偶联而直接合成 C 芳基糖苷的方法。这种方法可实现 C-芳基糖苷、半乳糖苷和甘露糖苷的高α-严格选择性合成。
Stereoselective Synthesis of C-Aryl-α-Glycosides by Reductive C(sp2)–C(sp3) Cross-Coupling Reaction
C-Aryl glycosides have attracted considerable interest as biologically active natural products and as O-aryl glycoside mimetics in drug discovery. Here, we describe a straightforward synthesis of C-aryl glycosides by photoredox/Ni dual-catalyzed reductive cross-coupling between glycosyl bromides and aryl bromides. This methodology enables a highly α-stereoselective synthesis of C-aryl glucosides, galactosides, and mannosides.
期刊介绍:
SYNLETT is an international journal reporting research results and current trends in chemical synthesis in short personalized reviews and preliminary communications. It covers all fields of scientific endeavor that involve organic synthesis, including catalysis, organometallic, medicinal, biological, and photochemistry, but also related disciplines and offers the possibility to publish scientific primary data.