1049318-91-3

Upstream product

• 1049318-89-9 28-O-tert-butyldiphenylsilylbetulin 3β-O-α-L-arabinopyranoside 
• 77-76-9 2,2-dimethoxy-propane 

Downstream Products

• 1049318-92-4 28-O-tert-butyldiphenylsilylbetulin 3β-O-2,3,4-tri-O-benzoyl-α-L-rhamnopyranosyl-(1->2)-3,4-O-isopropylidene-α-L-arabinopyranoside 

Relevant academic research and scientific papers

Synthesis of two natural betulinic acid saponins containing α-l-rhamnopyranosyl-(1→2)-α-l-arabinopyranose and their analogues

A concise synthesis of naturally occurring betulinic acid saponins bearing an α-l-rhamnopyranosyl-(1→2)-α-l-arabinopyranoside moiety at the C-3 position is described. Betulinic acid 3β-O-α-l-rhamnopyranosyl-(1→2)-[β-d-glucopyranosyl- (1→4)]-α-l-arabinopyr