O-(2,3,4,6-Tetra-O-p-toluyl-β-D-galactopyranosyl)-(1->3)-4,6-di-O-acetyl-2-azido-2-desoxy-α-D-galactopyranosylbromid

Base Information

Chemical Name:O-(2,3,4,6-Tetra-O-p-toluyl-β-D-galactopyranosyl)-(1->3)-4,6-di-O-acetyl-2-azido-2-desoxy-α-D-galactopyranosylbromid
CAS No.:110797-49-4
Molecular Formula:C₄₈H₄₈BrN₃O₁₅
Molecular Weight:986.824
Hs Code.:

Synonyms:O-(2,3,4,6-Tetra-O-p-toluyl-β-D-galactopyranosyl)-(1->3)-4,6-di-O-acetyl-2-azido-2-desoxy-α-D-galactopyranosylbromid

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Chemical Property of O-(2,3,4,6-Tetra-O-p-toluyl-β-D-galactopyranosyl)-(1->3)-4,6-di-O-acetyl-2-azido-2-desoxy-α-D-galactopyranosylbromid

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Technology Process of O-(2,3,4,6-Tetra-O-p-toluyl-β-D-galactopyranosyl)-(1->3)-4,6-di-O-acetyl-2-azido-2-desoxy-α-D-galactopyranosylbromid

There total 1 articles about O-(2,3,4,6-Tetra-O-p-toluyl-β-D-galactopyranosyl)-(1->3)-4,6-di-O-acetyl-2-azido-2-desoxy-α-D-galactopyranosylbromid 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: 94.0%

: Acetyl-O-(2,3,4,6-tetra-O-p-toluyl-β-D-galactopyranosyl)-(1->3)-4,6-di-O-acetyl-2-azido-2-desoxy-α/β-D-galactopyranosid

: 110797-49-4
O-(2,3,4,6-Tetra-O-p-toluyl-β-D-galactopyranosyl)-(1->3)-4,6-di-O-acetyl-2-azido-2-desoxy-α-D-galactopyranosylbromid

Guidance literature:: With titanium(IV) bromide; In dichloromethane; ethyl acetate; for 3h; in darkness;

Reference yield:

: 110797-49-4
O-(2,3,4,6-Tetra-O-p-toluyl-β-D-galactopyranosyl)-(1->3)-4,6-di-O-acetyl-2-azido-2-desoxy-α-D-galactopyranosylbromid

: 110797-59-6
Ethyl-O-(2,3,4,6-tetra-O-di-<α,α-D₂>benzyl-β-D-galactopyranosyl)-(1->3)-O-<(2-acetamido-3,4,6-tri-O-acetyl-2-desoxy-β-D-glucopyranosyl)-(1->6)>-2-azido-2-desoxy-4-O-<α,α-D₂>benzyl-1-thio-β-D-galactopyranosid

Guidance literature:: Multi-step reaction with 5 steps

2: 79 percent / 4-(dimethylamino)pyridine / pyridine / 6 h / 80 °C

3: 1.) NaH / 1.) DMF, 0 deg C, 1 h, 2.) 4 h, 0 deg C

4: 66 percent / 100percent formic acid / diethyl ether / 0.5 h

5: 70 percent / abs. TosOH / 1,2-dichloro-ethane / 16 h / 80 °C

With dmap; formic acid; sodium hydride; toluene-4-sulfonic acid; In pyridine; diethyl ether; 1,2-dichloro-ethane;

Reference yield:

: 110797-49-4
O-(2,3,4,6-Tetra-O-p-toluyl-β-D-galactopyranosyl)-(1->3)-4,6-di-O-acetyl-2-azido-2-desoxy-α-D-galactopyranosylbromid

: 110797-55-2
Ethyl-O-(2,3,4,6-tetra-O-di-<α,α-D₂>benzyl-β-D-galactopyranosyl)-(1->3)-2-azido-2-desoxy-4-O-di-<α,α-D₂>benzyl-1-thio-β-D-galactopyranosid

Guidance literature:: Multi-step reaction with 4 steps

2: 79 percent / 4-(dimethylamino)pyridine / pyridine / 6 h / 80 °C

3: 1.) NaH / 1.) DMF, 0 deg C, 1 h, 2.) 4 h, 0 deg C

4: 66 percent / 100percent formic acid / diethyl ether / 0.5 h

With dmap; formic acid; sodium hydride; In pyridine; diethyl ether;