ethyl O-(2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl)-(1-> 2)-O-3,4,6,7-tetra-O-benzyl-1-thio-L-glycero-α-D-manno-heptopyranoside

Base Information

Chemical Name:ethyl O-(2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl)-(1-> 2)-O-3,4,6,7-tetra-O-benzyl-1-thio-L-glycero-α-D-manno-heptopyranoside
CAS No.:188435-32-7
Molecular Formula:C₇₁H₆₈O₁₅S
Molecular Weight:1193.38
Hs Code.:

Synonyms:ethyl O-(2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl)-(1-> 2)-O-3,4,6,7-tetra-O-benzyl-1-thio-L-glycero-α-D-manno-heptopyranoside

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Chemical Property of ethyl O-(2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl)-(1-> 2)-O-3,4,6,7-tetra-O-benzyl-1-thio-L-glycero-α-D-manno-heptopyranoside

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Technology Process of ethyl O-(2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl)-(1-> 2)-O-3,4,6,7-tetra-O-benzyl-1-thio-L-glycero-α-D-manno-heptopyranoside

There total 3 articles about ethyl O-(2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl)-(1-> 2)-O-3,4,6,7-tetra-O-benzyl-1-thio-L-glycero-α-D-manno-heptopyranoside 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: 67.0%

: 61198-88-7
2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl bromide

: 140209-70-7
ethyl 3,4,6,7-tetra-O-benzyl-1-thio-L-glycero-α-D-manno-heptopyranoside

: 188435-32-7
ethyl O-(2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl)-(1-> 2)-O-3,4,6,7-tetra-O-benzyl-1-thio-L-glycero-α-D-manno-heptopyranoside

Guidance literature:: With molecular sieve; silver trifluoromethanesulfonate; In dichloromethane; toluene; 1) room temperature, 1 h, 2) -20 deg C to -10 deg C, 20 min;
DOI:10.1016/S0008-6215(96)00275-3

Reference yield:

: 126456-55-1
1,2-O-(1-methoxy)ethylidene-3,4,6,7-tetra-O-benzyl-L-glycero-β-D-manno-heptopyranose

: 188435-32-7
ethyl O-(2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl)-(1-> 2)-O-3,4,6,7-tetra-O-benzyl-1-thio-L-glycero-α-D-manno-heptopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1: 76 percent / 1) 4 Angstroem molecular sieves, 2) trimethylsilyl trifluoromethanesulfonate / nitromethane / 1) 0 deg C, 1 h, 2) 1.5 h

2: 90 percent / NaOMe / methanol / 1.5 h / Ambient temperature

3: 67 percent / 1) molecular sieves, 2) silver triflate / CH₂Cl₂; toluene / 1) room temperature, 1 h, 2) -20 deg C to -10 deg C, 20 min

With molecular sieve; trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve; sodium methylate; silver trifluoromethanesulfonate; In methanol; nitromethane; dichloromethane; toluene;
DOI:10.1016/S0008-6215(96)00275-3

Reference yield:

: 188435-09-8
Acetic acid (2R,3S,4S,5S,6R)-4,5-bis-benzyloxy-6-((S)-1,2-bis-benzyloxy-ethyl)-2-ethylsulfanyl-tetrahydro-pyran-3-yl ester

: 188435-32-7
ethyl O-(2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl)-(1-> 2)-O-3,4,6,7-tetra-O-benzyl-1-thio-L-glycero-α-D-manno-heptopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1: 90 percent / NaOMe / methanol / 1.5 h / Ambient temperature

2: 67 percent / 1) molecular sieves, 2) silver triflate / CH₂Cl₂; toluene / 1) room temperature, 1 h, 2) -20 deg C to -10 deg C, 20 min

With molecular sieve; sodium methylate; silver trifluoromethanesulfonate; In methanol; dichloromethane; toluene;
DOI:10.1016/S0008-6215(96)00275-3