Fig. 5: Divergent assembly of chitooligosaccharides. | Nature Communications

Fig. 5: Divergent assembly of chitooligosaccharides.

From: Efficient and versatile formation of glycosidic bonds via catalytic strain-release glycosylation with glycosyl ortho−2,2-dimethoxycarbonylcyclopropylbenzoate donors

Fig. 5

The synthesis of chitooligosaccharide was performed by a (1 + 1 + 1 + 1) glycosylation strategy. Ac Acetyl, Me Methyl, Bn Benzyl, PhthN Phthalimido, R Functional group, DMAP 4-dimethylaminopyridine, EDC·HCl N-Ethyl-N′-(3-dimethylaminopropyl)carbodiimide hydrochloride, DIPEA N,N-diisopropylethylamine, NIS N-Iodosuccinimide, TMSOTf trimethylsilyl trifluoromethanesulfonate, THF Tetrahydrofuran, Cbz Benzyloxycarbonyl, Ph Phenyl, CCBz, ortho−2,2-dimethoxycarbonylcyclopropylbenzoyl.

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