Acetic acid (2R,3S,4S,5R,6R)-5-acetoxy-2-acetoxymethyl-6-methoxy-4-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl ester

Base Information

Chemical Name:Acetic acid (2R,3S,4S,5R,6R)-5-acetoxy-2-acetoxymethyl-6-methoxy-4-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl ester
CAS No.:102854-37-5
Molecular Formula:C₂₇H₃₈O₁₈
Molecular Weight:650.588
Hs Code.:

Acetic acid (2R,3S,4S,5R,6R)-5-acetoxy-2-acetoxymethyl-6-methoxy-4-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl ester

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Chemical Property of Acetic acid (2R,3S,4S,5R,6R)-5-acetoxy-2-acetoxymethyl-6-methoxy-4-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl ester

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Technology Process of Acetic acid (2R,3S,4S,5R,6R)-5-acetoxy-2-acetoxymethyl-6-methoxy-4-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl ester

There total 1 articles about Acetic acid (2R,3S,4S,5R,6R)-5-acetoxy-2-acetoxymethyl-6-methoxy-4-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl ester 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: 55.0%

: 52443-08-0
3,4,6-tri-O-acetyl-1,2-O-<(exo and endo)-1-cyanoethylidene>-α-D-galactopyranose

: 122926-87-8
Methyl 2,4,6-Tri-O-acetyl-3-O-trityl-β-D-galactopyranoside

: 7322-42-1,66583-05-9,71080-24-5,71978-79-5,84039-39-4,84039-43-0,85372-94-7,101072-34-8,101072-35-9,102854-37-5,117561-24-7,122926-93-6,145251-15-6,145251-16-7
Acetic acid (2R,3S,4S,5R,6R)-5-acetoxy-2-acetoxymethyl-6-methoxy-4-((3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl ester

Guidance literature:: With triphenylmethylium trifluoromethansulfonate; In dichloromethane; at 20 ℃; for 17h;

Reference yield:

: 102854-37-5
Acetic acid (2R,3S,4S,5R,6R)-5-acetoxy-2-acetoxymethyl-6-methoxy-4-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl ester

: 8-Methoxycarbonyloctyl-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1<*>3)-O-(2,4,6-tri-O-acetyl-β-D-galactopyranosyl)-(1<*>3)-2-acetamido-4,6-di-O-benzoyl-2-desoxy-α-D-galactopyranosid

Guidance literature:: Multi-step reaction with 3 steps

1: cc. H₂SO₄ / 48 h / -30 °C

2: 45 percent / molecular sieve 4A / trimethylsilyl triflate / CH₂Cl₂ / 5 h / Ambient temperature

3: 1.) NiCl_2.6H₂O, 2percent H₃BO₃, NaBH₄ / 1.) ethanol, r.t., 1 h, 2.) r.t., 4 h

With sodium tetrahydroborate; 4 A molecular sieve; sulfuric acid; boric acid; nickel dichloride; trimethylsilyl trifluoromethanesulfonate; In dichloromethane;
DOI:10.1016/0008-6215(85)85005-9

Reference yield:

: 102854-37-5
Acetic acid (2R,3S,4S,5R,6R)-5-acetoxy-2-acetoxymethyl-6-methoxy-4-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl ester

: 102854-42-2
8-Methoxycarbonyloctyl-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1<*>3)-O-(2,4,6-tri-O-acetyl-β-D-galactopyranosyl)-(1<*>3)-2-azido-4,6-di-O-benzoyl-2-desoxy-α-D-galactopyranosid

Guidance literature:: Multi-step reaction with 2 steps

1: cc. H₂SO₄ / 48 h / -30 °C

2: 45 percent / molecular sieve 4A / trimethylsilyl triflate / CH₂Cl₂ / 5 h / Ambient temperature

With 4 A molecular sieve; sulfuric acid; trimethylsilyl trifluoromethanesulfonate; In dichloromethane;
DOI:10.1016/0008-6215(85)85005-9