89202-38-0

Upstream product

• 113893-72-4 2,3,4-tri-O-acetyl-L-rhamnopyranosyl trichloroacetimidate 
• 136737-75-2 allyl 2,4-di-O-benzoyl-α-L-rhamnopyranoside 
• 242473-77-4 allyl (2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-(1->3)-2,4-di-O-benzoyl-α-L-rhamnopyranoside 
• 73164-17-7 9-[(2R,3R,4R,5S,6S)-3-((2R,4aR,6S,7R,8R,8aS)-7-Acetylamino-8-hydroxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy]-nonanoic acid methyl ester 
• 88331-98-0 2,4-di-O-benzoyl-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl bromide 

Downstream Products

• 255894-68-9 2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl(1->3)-2,4-di-O-benzoyl-α-L-rhamnopyranosyl 2,2,2-trichloroacetamidate 
• 89202-39-1 1-O-acetyl 2,4-di-O-benzoyl-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranose 

Relevant academic research and scientific papers

Synthesis of a group of diosgenyl saponins with combined use of glycosyl trichloroacetimidate and thioglycoside donors

With the combined use of glycosyl trichloroacetimidates and thioglycosides, a group of natural diosgenyl saponins (1-6) are efficiently synthesized, in either a stepwise or a 'one-pot' manner. The trichloroacetimidate is employed as an efficient temporary hydroxy protecting group in glycosylation with the glycosyl trichloroacetimidate. The intermolecular alkylthio-group transfer is demonstrated to be a common side-reaction during glycosylation with thioglycosides. The Royal Society of Chemistry 2000.

ARTIFICIAL CARBOHYDRATE ANTIGENS: A BLOCK SYNTHESIS OF A LINEAR, TETRASACCHARIDE REPEATING-UNIT OF THE Shigella flexneri VARIANT Y POLYSACCHARIDE

Glycosylation of methyl 2,4-di-O-benzoyl-α-L-rhamnopyranoside with 2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl bromide gave methyl 2,4-di-O-benzoyl-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranoside (4) in 93percent yield.Conversion of 4 into th