(2S,3R,4R)-2-hexacosanoyloxy-3,4-O-isopropylidene-11-octadecynyl 4,6-O-benzylidene-α-D-galactopyranoside

Base Information

Chemical Name:(2S,3R,4R)-2-hexacosanoyloxy-3,4-O-isopropylidene-11-octadecynyl 4,6-O-benzylidene-α-D-galactopyranoside
CAS No.:1215176-67-2
Molecular Formula:C₆₀H₁₀₂O₁₀
Molecular Weight:983.464
Hs Code.:

Synonyms:(2S,3R,4R)-2-hexacosanoyloxy-3,4-O-isopropylidene-11-octadecynyl 4,6-O-benzylidene-α-D-galactopyranoside

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Chemical Property of (2S,3R,4R)-2-hexacosanoyloxy-3,4-O-isopropylidene-11-octadecynyl 4,6-O-benzylidene-α-D-galactopyranoside

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Technology Process of (2S,3R,4R)-2-hexacosanoyloxy-3,4-O-isopropylidene-11-octadecynyl 4,6-O-benzylidene-α-D-galactopyranoside

There total 22 articles about (2S,3R,4R)-2-hexacosanoyloxy-3,4-O-isopropylidene-11-octadecynyl 4,6-O-benzylidene-α-D-galactopyranoside 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: 78.0%

: 1215176-66-1
(2S,3R,4R)-2-hexacosanoyloxy-3,4-O-isopropylidene-11-octadecynyl 4,6-O-benzylidene-2,3-di-O-(4-methoxybenzyl)-α-D-galactopyranoside

: 1215176-67-2
(2S,3R,4R)-2-hexacosanoyloxy-3,4-O-isopropylidene-11-octadecynyl 4,6-O-benzylidene-α-D-galactopyranoside

Guidance literature:: With water; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; at 20 ℃; for 3h;
DOI:10.1016/j.carres.2010.05.003

Reference yield:

: 37011-88-4
tridec-6-yn-1-ol

: 1215176-67-2
(2S,3R,4R)-2-hexacosanoyloxy-3,4-O-isopropylidene-11-octadecynyl 4,6-O-benzylidene-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 14 steps

1.1: triethylamine / dichloromethane / 0.5 h / 0 °C

2.1: sodium iodide / acetone / 16 h / Reflux

3.1: tert.-butyl lithium / diethyl ether; pentane / 1.08 h / -78 - 20 °C

3.2: 0.5 h / -40 - -30 °C / Inert atmosphere

4.1: diethyl ether; pentane; tetrahydrofuran / 16 h / -20 - 20 °C / Inert atmosphere

5.1: toluene-4-sulfonic acid / methanol / 2 h / 20 °C

6.1: dmap / dichloromethane / 3 h / 20 °C

7.1: toluene-4-sulfonic acid / 1 h / 20 °C

8.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone; water / dichloromethane / 1 h / 20 °C

9.1: triphenylphosphine; diethylazodicarboxylate / toluene; tetrahydrofuran / -20 - 20 °C

10.1: sodium methylate; methanol / methanol / 16 h / 20 °C

11.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.75 h / 20 °C

12.1: dichloromethane / 0.5 h / Molecular sieves 4?

12.2: 5 h / 0 - 20 °C

13.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane; tetrahydrofuran / 120 h / 20 °C

14.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone; water / dichloromethane / 3 h / 20 °C

With methanol; dmap; tetrabutyl ammonium fluoride; water; tert.-butyl lithium; sodium methylate; toluene-4-sulfonic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; triphenylphosphine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; sodium iodide; diethylazodicarboxylate; In tetrahydrofuran; methanol; diethyl ether; dichloromethane; acetone; toluene; pentane;

Reference yield:

: 164576-09-4
4,5-anhydro-1,3-O-benzylidene-D-arabinitol

: 1215176-67-2
(2S,3R,4R)-2-hexacosanoyloxy-3,4-O-isopropylidene-11-octadecynyl 4,6-O-benzylidene-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 12 steps

1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 3 h / 20 °C / Cooling with ice

2.1: diethyl ether; pentane; tetrahydrofuran / 16 h / -20 - 20 °C / Inert atmosphere

3.1: toluene-4-sulfonic acid / methanol / 2 h / 20 °C

4.1: dmap / dichloromethane / 3 h / 20 °C

5.1: toluene-4-sulfonic acid / 1 h / 20 °C

6.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone; water / dichloromethane / 1 h / 20 °C

7.1: triphenylphosphine; diethylazodicarboxylate / toluene; tetrahydrofuran / -20 - 20 °C

8.1: sodium methylate; methanol / methanol / 16 h / 20 °C

9.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.75 h / 20 °C

10.1: dichloromethane / 0.5 h / Molecular sieves 4?

10.2: 5 h / 0 - 20 °C

11.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane; tetrahydrofuran / 120 h / 20 °C

12.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone; water / dichloromethane / 3 h / 20 °C

With methanol; dmap; tetrabutyl ammonium fluoride; water; sodium methylate; sodium hydride; toluene-4-sulfonic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triphenylphosphine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; diethylazodicarboxylate; In tetrahydrofuran; methanol; diethyl ether; dichloromethane; N,N-dimethyl-formamide; toluene; mineral oil; pentane;