methyl 2,4-di-O-benzoyl-6-O-chloroacetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-mannopyranoside

Base Information

• Chemical Name: methyl 2,4-di-O-benzoyl-6-O-chloroacetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-mannopyranoside
• CAS No.: 189622-72-8
• Molecular Formula: C₅₀H₄₅ClO₁₇
• Molecular Weight: 953.35
• Mol file: 189622-72-8.mol

Synonyms:methyl 2,4-di-O-benzoyl-6-O-chloroacetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-mannopyranoside

Chemical Property of methyl 2,4-di-O-benzoyl-6-O-chloroacetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-mannopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of methyl 2,4-di-O-benzoyl-6-O-chloroacetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-mannopyranoside

There total 5 articles about methyl 2,4-di-O-benzoyl-6-O-chloroacetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-mannopyranoside 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: 96.0%

methyl 2,4-di-O-benzoyl-3-O-benzyl-6-O-chloroacetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-mannopyranoside (189622-68-2) → methyl 2,4-di-O-benzoyl-6-O-chloroacetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-mannopyranoside (189622-72-8)

Guidance literature:

With hydrogen; palladium dihydroxide; In 2-methoxy-ethanol; for 2.5h; Ambient temperature;

Reference yield:

methyl 2,3,6-tri-O-benzoyl-α-D-mannopyranoside (3396-68-7,6344-46-3) → methyl 2,4-di-O-benzoyl-6-O-chloroacetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-mannopyranoside (189622-72-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 55 percent / TMS triflate / CH₂Cl₂ / 1.33 h / -30 °C

2: 96 percent / H₂ / 20percent Pd(OH)2/C / 2-methoxy-ethanol / 2.5 h / Ambient temperature

With trimethylsilyl trifluoromethanesulfonate; hydrogen; palladium dihydroxide; In dichloromethane; 2-methoxy-ethanol;

Reference yield:

benzoyl chloride (98-88-4) → methyl 2,4-di-O-benzoyl-6-O-chloroacetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-mannopyranoside (189622-72-8)

Guidance literature:

Multi-step reaction with 3 steps

1: 77 percent / pyridine / 1.) -40 deg C to 20 deg C, 3 h, 2.) 20 deg C, overnight

2: 55 percent / TMS triflate / CH₂Cl₂ / 1.33 h / -30 °C

3: 96 percent / H₂ / 20percent Pd(OH)2/C / 2-methoxy-ethanol / 2.5 h / Ambient temperature

With pyridine; trimethylsilyl trifluoromethanesulfonate; hydrogen; palladium dihydroxide; In dichloromethane; 2-methoxy-ethanol;

upstream raw materials:

methyl 2,4-di-O-benzoyl-3-O-benzyl-6-O-chloroacetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-mannopyranoside

methyl 2,3,6-tri-O-benzoyl-α-D-mannopyranoside

benzoyl chloride

2,4-di-O-benzoyl-3-O-benzyl-6-O-chloroacetyl-α-D-galactopyranosyl trichloroacetimidate