8-ethoxycarbonyloctyl 2,3,5,6-tetra-O-benzoyl-β-D-galactofuranosyl-(1(3)-4,6-O-benzylidene)-α-D-mannopyranoside

Base Information

Chemical Name:8-ethoxycarbonyloctyl 2,3,5,6-tetra-O-benzoyl-β-D-galactofuranosyl-(1(3)-4,6-O-benzylidene)-α-D-mannopyranoside
CAS No.:417717-61-4
Molecular Formula:C₅₈H₆₂O₁₇
Molecular Weight:1031.12
Hs Code.:

Synonyms:8-ethoxycarbonyloctyl 2,3,5,6-tetra-O-benzoyl-β-D-galactofuranosyl-(1(3)-4,6-O-benzylidene)-α-D-mannopyranoside

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Chemical Property of 8-ethoxycarbonyloctyl 2,3,5,6-tetra-O-benzoyl-β-D-galactofuranosyl-(1(3)-4,6-O-benzylidene)-α-D-mannopyranoside

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Technology Process of 8-ethoxycarbonyloctyl 2,3,5,6-tetra-O-benzoyl-β-D-galactofuranosyl-(1(3)-4,6-O-benzylidene)-α-D-mannopyranoside

There total 6 articles about 8-ethoxycarbonyloctyl 2,3,5,6-tetra-O-benzoyl-β-D-galactofuranosyl-(1(3)-4,6-O-benzylidene)-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: 46.0%

: 294669-49-1
ethyl 2,3,5,6-tetra-O-benzoyl-1-thio-β-D-galactofuranoside

: 417717-50-1
8-ethoxycarbonyloctyl 4,6-O-benzylidene-α-D-mannopyranoside

: 417717-61-4
8-ethoxycarbonyloctyl 2,3,5,6-tetra-O-benzoyl-β-D-galactofuranosyl-(1(3)-4,6-O-benzylidene)-α-D-mannopyranoside

Guidance literature:: With N-iodo-succinimide; trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve; In dichloromethane; at 0 - 20 ℃; for 0.25h;
DOI:10.1081/CAR-100108662

Reference yield:

: 98-88-4
benzoyl chloride

: 417717-61-4
8-ethoxycarbonyloctyl 2,3,5,6-tetra-O-benzoyl-β-D-galactofuranosyl-(1(3)-4,6-O-benzylidene)-α-D-mannopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1.1: pyridine / 3 h / 0 °C

1.2: H₂SO₄; (CF₃CO)2O / CH₂Cl₂ / 0.58 h / 0 °C

1.3: 72 percent / BF₃*OEt₂ / CH₂Cl₂ / 0 °C

2.1: 46 percent / molecular sieves 4 Angstroem; N-iodosuccinimide; trimethylsilyl triflate / CH₂Cl₂ / 0.25 h / 0 - 20 °C

With N-iodo-succinimide; trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve; In pyridine; dichloromethane;
DOI:10.1081/CAR-100108662

Reference yield:

: 108400-03-9
8-ethoxycarbonyloctyl α-D-mannopyranoside

: 417717-61-4
8-ethoxycarbonyloctyl 2,3,5,6-tetra-O-benzoyl-β-D-galactofuranosyl-(1(3)-4,6-O-benzylidene)-α-D-mannopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1: 44 percent / ZnCl₂ / ethyl acetate / 1.5 h / 50 °C

2: 46 percent / molecular sieves 4 Angstroem; N-iodosuccinimide; trimethylsilyl triflate / CH₂Cl₂ / 0.25 h / 0 - 20 °C

With N-iodo-succinimide; trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve; zinc(II) chloride; In dichloromethane; ethyl acetate;
DOI:10.1081/CAR-100108662