n‑Pentenyl-Type Glycosides for Catalytic Glycosylation and Their Application in Single-Catalyst One-Pot Oligosaccharide Assemblies
We have developed a new type of n-pentenyl-type glycosides that can be activated by catalytic amounts of promoter, Hg(NTf2)2 or PPh3AuCl/AgNTf2, at room temperature. The mild activation conditions and outstanding stability of common protection/deprotection manipulations enable the enynyl donors to...
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| Veröffentlicht in: | Organic letters 2019-10, Vol.21 (20), p.8270-8274 |
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| container_title | Organic letters |
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| creator | Zu, Yujia Cai, Chenglin Sheng, Jingyuan Cheng, Lili Feng, Yingle Zhang, Shengyong Zhang, Qi Chai, Yonghai |
| description | We have developed a new type of n-pentenyl-type glycosides that can be activated by catalytic amounts of promoter, Hg(NTf2)2 or PPh3AuCl/AgNTf2, at room temperature. The mild activation conditions and outstanding stability of common protection/deprotection manipulations enable the enynyl donors to have broad applications in constructing various glycosidic bonds. Furthermore, under the Hg(NTf2)2-catalyzed conditions, the sequential activation of different types of donors was achieved, based on which a gentiotetrasaccharide was synthesized via the newly developed single-catalyst one-pot strategy. |
| doi_str_mv | 10.1021/acs.orglett.9b03038 |
| format | Article |
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| ispartof | Organic letters, 2019-10, Vol.21 (20), p.8270-8274 |
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| language | eng |
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| source | American Chemical Society Journals |
| title | n‑Pentenyl-Type Glycosides for Catalytic Glycosylation and Their Application in Single-Catalyst One-Pot Oligosaccharide Assemblies |
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