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Discovery of glycosylated naphthacemycins and elucidation of the glycosylation

Biochemical and Biophysical Research Communications, 2022
Two glycosylated naphthacemycins (naphthacemycins D1 and D2) were identified in Streptomyces sp. N12W1565. These two compounds not only showed antimicrobial potential against bacteria but also exhibited more aqueous solubility than naphthacemycins. Furthermore, the whole genome of Streptomyces sp.
Yu-Hang Gao   +6 more
openaire   +2 more sources

Glycosyl sulfates as glycosyl donors

Tetrahedron Letters, 1994
Abstract Glycosyl sulfates are easily synthesised from tetrabenzyl pyranoses; their reaction with various acceptors promoted by Lewis acids affords glycosides and disaccharides as α,β mixtures.
CIPOLLA, LAURA FRANCESCA   +4 more
openaire   +2 more sources

Glycosyl Sulfoxides in Glycosylation Reactions

Topics in Current Chemistry, 2018
Carbohydrate chemistry has benefited a lot from the intrinsic reactivity of sulfoxide since it was introduced in glycosylation reactions by Kahne in 1989. Since then, extensive studies have been explored by employing sulfoxide as glycosyl donors and activation reagents in construction of glycosidic bonds.
Jing Zeng   +5 more
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Glycosyl trichloroacetylcarbamate: a new glycosyl donor for O-glycosylation

Carbohydrate Research, 2005
Glycosyl trichloroacetylcarbamates, readily obtained by reacting 1-hydroxy sugars with trichloroacetylisocyanate, have been found as excellent glycosyl donors, and the corresponding O-glycosides are formed in good to excellent yields with a fairly good degree of selectivity.
K, Jayakanthan, Yashwant D, Vankar
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Glycosylation Based on Glycosyl Phosphates as Glycosyl Donors

Synlett, 2002
Glycosyl phosphates have emerged as useful glycosyl donors for stereoselective glycosidic bond formation in the synthe- sis of oligosaccharides. In this account, we describe some of our work in developing and further expanding this methodology, partic- ularly with the use of propane-1,3-diyl phosphate as the anomeric leaving group.
Hariprasad Vankayalapati   +2 more
openaire   +1 more source

Glycosylation using glycosyl phosphite as a glycosyl donor

Tetrahedron, 1994
Abstract Glycosylation using glycosyl phosphites as glycosyl donors in the presence of a Lewis acid such as ZnCl2 or ZnCl2-AgClO4 has afforded the glycosides including sialoglycosides in good yields.
Yutaka Watanabe   +3 more
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Glycosylation with Glycosyl Benzyl Phthalates as a New Type of Glycosyl Donor.

ChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Kwan Soo, Kim   +4 more
openaire   +2 more sources

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