QS 21

Base Information

• Chemical Name: QS 21
• CAS No.: 141256-04-4
• Molecular Formula: C₉₂H₁₄₈O₄₆
• Molecular Weight: 1990.16
• Mol file: 141256-04-4.mol

Synonyms:Oleanane,b-D-glucopyranosiduronic acid deriv.; QA21; QA 21V1; QS 21; QS-21-Api; Saponin QA 21V1; Stimulon

Chemical Property of QS 21

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Density: g/cm³

Purity/Quality:

99% ^*data from raw suppliers

QS 21 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of QS 21

There total 1 articles about QS 21 which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

C115H180Cl3NO27Si5 + O-(16-O-triethylsilyl-quillaic acid) 4-O-triethylsilyl-[(2,3,4-tri-O-triethylsilyl-β-D-xylopyranosyl)-(1-3)]-[(2,3,4,6-tetra-O-triethylsilyl-β-D-galactopyranosyl)-(1-2)]-β-D-glucuronoside benzyl ester (1026022-29-6) → QS-21Aapi (141256-04-4)

Guidance literature:

C₁₁₅H₁₈₀Cl₃NO₂₇Si₅; O-(16-O-triethylsilyl-quillaic acid) 4-O-triethylsilyl-[(2,3,4-tri-O-triethylsilyl-β-D-xylopyranosyl)-(1-3)]-[(2,3,4,6-tetra-O-triethylsilyl-β-D-galactopyranosyl)-(1-2)]-β-D-glucuronoside benzyl ester; With boron trifluoride diethyl etherate;

With palladium on activated charcoal; hydrogen;

With trifluoroacetic acid; In water;

upstream raw materials:

O-(16-O-triethylsilyl-quillaic acid) 4-O-triethylsilyl-[(2,3,4-tri-O-triethylsilyl-β-D-xylopyranosyl)-(1-3)]-[(2,3,4,6-tetra-O-triethylsilyl-β-D-galactopyranosyl)-(1-2)]-β-D-glucuronoside benzyl ester

Refernces