期刊
ORGANIC LETTERS
卷 15, 期 16, 页码 4170-4173出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol4018547
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资金
- National Science Foundation [NSF 1300334]
- Tufts University
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1300334] Funding Source: National Science Foundation
N-Sulfonyl imidazoles activate 2-deoxy-sugar hemiacetals for glycosylation presumably by converting them into glycosyl sulfonates in situ. By matching the leaving group ability of the sulfonate with the reactivity of the donor, it is possible to obtain beta-specific glycosylation reactions. The reaction serves as proof of the principle that, by choosing promoters that can modulate the reactivity of active intermediates, it is possible to place glycosylation reactions entirely under reagent control.
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