Benzyl-O-(2-O-acetyl-3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosyl)-(1->5)-methyl-(4-O-benzyl-3-desoxy-7,8-O-tetraisopropyldisiloxan-1,3-diyl-β-D-manno-2-octulopyranosid)-onat

Base Information

Chemical Name:Benzyl-O-(2-O-acetyl-3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosyl)-(1->5)-methyl-(4-O-benzyl-3-desoxy-7,8-O-tetraisopropyldisiloxan-1,3-diyl-β-D-manno-2-octulopyranosid)-onat
CAS No.:135311-27-2
Molecular Formula:C₇₂H₉₂O₁₆Si₂
Molecular Weight:1269.68
Hs Code.:

Benzyl-O-(2-O-acetyl-3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosyl)-(1->5)-methyl-(4-O-benzyl-3-desoxy-7,8-O-tetraisopropyldisiloxan-1,3-diyl-β-D-manno-2-octulopyranosid)-onat

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Chemical Property of Benzyl-O-(2-O-acetyl-3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosyl)-(1->5)-methyl-(4-O-benzyl-3-desoxy-7,8-O-tetraisopropyldisiloxan-1,3-diyl-β-D-manno-2-octulopyranosid)-onat

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Technology Process of Benzyl-O-(2-O-acetyl-3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosyl)-(1->5)-methyl-(4-O-benzyl-3-desoxy-7,8-O-tetraisopropyldisiloxan-1,3-diyl-β-D-manno-2-octulopyranosid)-onat

There total 4 articles about Benzyl-O-(2-O-acetyl-3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosyl)-(1->5)-methyl-(4-O-benzyl-3-desoxy-7,8-O-tetraisopropyldisiloxan-1,3-diyl-β-D-manno-2-octulopyranosid)-onat 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:

: 119437-83-1
Methyl-(benzyl-3-desoxy-7,8-O-(tetraisopropyldisiloxan-1,3-diyl)-β-D-manno-2-octulopyranosid)onat

: 135311-27-2
Benzyl-O-(2-O-acetyl-3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosyl)-(1->5)-methyl-(4-O-benzyl-3-desoxy-7,8-O-tetraisopropyldisiloxan-1,3-diyl-β-D-manno-2-octulopyranosid)-onat

Guidance literature:: Multi-step reaction with 2 steps

1: 1) diisobutyltinoxide, 4 Angstroem-molecular sieves, 2) tetrabutylammoniumbromide / 1) toluene, reflux, 3 h, 2) toluene, 60 deg C, 18 h

2: 1) 4 Angstroem molecular sieves, Ag-trifluoromethansulfonate / 1) CH₂Cl₂, r.t. -> -50 deg C, 2 h, 2) CH₂Cl₂, -50 deg C -> r.t., 72 h

With 4 A molecular sieve; tetrabutylammomium bromide; silver trifluoromethanesulfonate; di-i-butyltin oxide;

Reference yield:

: (2S,4R,5R,6S)-2,4-Bis-benzyloxy-5-hydroxy-6-((R)-2,2,4,4-tetraisopropyl-[1,3,5,2,4]trioxadisilepan-6-yl)-tetrahydro-pyran-2-carboxylic acid benzyl ester

: 135311-27-2
Benzyl-O-(2-O-acetyl-3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosyl)-(1->5)-methyl-(4-O-benzyl-3-desoxy-7,8-O-tetraisopropyldisiloxan-1,3-diyl-β-D-manno-2-octulopyranosid)-onat

Guidance literature:: Multi-step reaction with 2 steps

1: 0.1 N NaOMe / methanol / 0.5 h / pH 11-12

2: 1) 4 Angstroem molecular sieves, Ag-trifluoromethansulfonate / 1) CH₂Cl₂, r.t. -> -50 deg C, 2 h, 2) CH₂Cl₂, -50 deg C -> r.t., 72 h

With 4 A molecular sieve; sodium methylate; silver trifluoromethanesulfonate; In methanol;

Reference yield:

: 116302-70-6
2-O-Acetyl-3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosylchlorid

: 135311-26-1
Methyl-(benzyl-4-O-benzyl-3-desoxy-7,8-O-tetraisopropyldisiloxan-1,3-diyl-β-D-manno-2-octulopyranosid)onat

: 135311-27-2
Benzyl-O-(2-O-acetyl-3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosyl)-(1->5)-methyl-(4-O-benzyl-3-desoxy-7,8-O-tetraisopropyldisiloxan-1,3-diyl-β-D-manno-2-octulopyranosid)-onat

Guidance literature:: With 4 A molecular sieve; silver trifluoromethanesulfonate; Yield given. Multistep reaction; 1) CH2Cl2, r.t. -> -50 deg C, 2 h, 2) CH2Cl2, -50 deg C -> r.t., 72 h;