N-(9H-fluoren-9-yl)methoxycarbonyl-O-(2-acetamido-2-deoxy-3-O-[2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl]-α-D-galactopyranosyl)-L-threonine-tert-butylester

Base Information

Chemical Name:N-(9H-fluoren-9-yl)methoxycarbonyl-O-(2-acetamido-2-deoxy-3-O-[2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl]-α-D-galactopyranosyl)-L-threonine-tert-butylester
CAS No.:908349-09-7
Molecular Formula:C₅₀H₆₂N₂O₁₈
Molecular Weight:979.045
Hs Code.:

N-(9H-fluoren-9-yl)methoxycarbonyl-O-(2-acetamido-2-deoxy-3-O-[2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl]-α-D-galactopyranosyl)-L-threonine-tert-butylester

Synonyms:N-(9H-fluoren-9-yl)methoxycarbonyl-O-(2-acetamido-2-deoxy-3-O-[2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl]-α-D-galactopyranosyl)-L-threonine-tert-butylester

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Chemical Property of N-(9H-fluoren-9-yl)methoxycarbonyl-O-(2-acetamido-2-deoxy-3-O-[2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl]-α-D-galactopyranosyl)-L-threonine-tert-butylester

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Technology Process of N-(9H-fluoren-9-yl)methoxycarbonyl-O-(2-acetamido-2-deoxy-3-O-[2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl]-α-D-galactopyranosyl)-L-threonine-tert-butylester

There total 3 articles about N-(9H-fluoren-9-yl)methoxycarbonyl-O-(2-acetamido-2-deoxy-3-O-[2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl]-α-D-galactopyranosyl)-L-threonine-tert-butylester 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: 82.0%

: 638207-71-3
N-fluorenylmethoxycarbonyl-O-(2-acetamido-4,6-O-benzylidene-2-desoxy-3-O-[2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl]-α-D-galactopyranosyl)-L-threonine tert-butyl ester

: 908349-09-7
N-(9H-fluoren-9-yl)methoxycarbonyl-O-(2-acetamido-2-deoxy-3-O-[2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl]-α-D-galactopyranosyl)-L-threonine-tert-butylester

Guidance literature:: With acetic acid; at 80 ℃; for 1h;
DOI:10.1002/chem.200600144

Reference yield:

: 189561-75-9
N-Fmoc-(O-N-acetylgalactosaminyl)threonine tert-butyl ester

: 908349-09-7
N-(9H-fluoren-9-yl)methoxycarbonyl-O-(2-acetamido-2-deoxy-3-O-[2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl]-α-D-galactopyranosyl)-L-threonine-tert-butylester

Guidance literature:: Multi-step reaction with 3 steps

1: 75 percent / p-toluenesulfonic acid / acetonitrile / 15 h / 20 °C

2: 93 percent / Hg(CN)2; 4 Angstroem molecular sieves / nitromethane; CH₂Cl₂ / 18 h

3: 82 percent / aq. acetic acid / 1 h / 80 °C

With 4 A molecular sieve; mercury(II) cyanide; toluene-4-sulfonic acid; acetic acid; In nitromethane; dichloromethane; acetonitrile;
DOI:10.1002/chem.200600144

Reference yield:

: 638207-70-2
N-fluorenylmethoxycarbonyl-O-(2-acetamido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-L-threonine tert-butyl ester

: 908349-09-7
N-(9H-fluoren-9-yl)methoxycarbonyl-O-(2-acetamido-2-deoxy-3-O-[2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl]-α-D-galactopyranosyl)-L-threonine-tert-butylester

Guidance literature:: Multi-step reaction with 2 steps

1: 93 percent / Hg(CN)2; 4 Angstroem molecular sieves / nitromethane; CH₂Cl₂ / 18 h

2: 82 percent / aq. acetic acid / 1 h / 80 °C

With 4 A molecular sieve; mercury(II) cyanide; acetic acid; In nitromethane; dichloromethane;
DOI:10.1002/chem.200600144