(2S,3R)-5-aza-3-O-benzyl-2-pentacosanoylamino-1-O-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)-1,3-nonadecanediol

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Chemical Name:(2S,3R)-5-aza-3-O-benzyl-2-pentacosanoylamino-1-O-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)-1,3-nonadecanediol
CAS No.:1314766-62-5
Molecular Formula:C₇₆H₁₃₆N₂O₁₂
Molecular Weight:1269.92
Hs Code.:

Synonyms:(2S,3R)-5-aza-3-O-benzyl-2-pentacosanoylamino-1-O-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)-1,3-nonadecanediol

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Chemical Property of (2S,3R)-5-aza-3-O-benzyl-2-pentacosanoylamino-1-O-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)-1,3-nonadecanediol

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Technology Process of (2S,3R)-5-aza-3-O-benzyl-2-pentacosanoylamino-1-O-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)-1,3-nonadecanediol

There total 11 articles about (2S,3R)-5-aza-3-O-benzyl-2-pentacosanoylamino-1-O-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)-1,3-nonadecanediol 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: 81.0%

: 506-38-7
pentacosanoic acid

: C₅₁H₈₈N₂O₁₁

: 1314766-62-5
(2S,3R)-5-aza-3-O-benzyl-2-pentacosanoylamino-1-O-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)-1,3-nonadecanediol

Guidance literature:: With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In N,N-dimethyl-formamide; at 0 - 15 ℃; Inert atmosphere;
DOI:10.1016/j.tet.2011.05.054

Reference yield:

: 1314766-43-2
(2S,3S)-3-O-benzyl-2-tert-butyloxycarbonylamino-3-(thiazol-2-yl)-1,3-propanediol

: 1314766-62-5
(2S,3R)-5-aza-3-O-benzyl-2-pentacosanoylamino-1-O-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)-1,3-nonadecanediol

Guidance literature:: Multi-step reaction with 7 steps

1.1: dichloromethane / 1 h / Molecular sieve; Inert atmosphere

1.2: 3 h / -15 °C / Inert atmosphere; Molecular sieve

2.1: acetonitrile / 12 h / Reflux

3.1: sodium tetrahydroborate / methanol / 0.58 h / 0 - 20 °C

3.2: 1 h / 20 °C

4.1: methanol / 2 h / 20 °C

5.1: sodium cyanoborohydride / methanol / 2 h / 20 °C

6.1: trifluoroacetic acid / dichloromethane / 3 h

7.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 0 - 15 °C / Inert atmosphere

With sodium tetrahydroborate; sodium cyanoborohydride; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; trifluoroacetic acid; In methanol; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/j.tet.2011.05.054

Reference yield:

: 1314766-44-3
(2S,3S)-3-O-benzyl-2-tert-butyloxycarbonylamino-1-O-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)-3-(thiazol-2-yl)-1,3-propanediol

: 1314766-62-5
(2S,3R)-5-aza-3-O-benzyl-2-pentacosanoylamino-1-O-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)-1,3-nonadecanediol

Guidance literature:: Multi-step reaction with 6 steps

1.1: acetonitrile / 12 h / Reflux

2.1: sodium tetrahydroborate / methanol / 0.58 h / 0 - 20 °C

2.2: 1 h / 20 °C

3.1: methanol / 2 h / 20 °C

4.1: sodium cyanoborohydride / methanol / 2 h / 20 °C

5.1: trifluoroacetic acid / dichloromethane / 3 h

6.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 0 - 15 °C / Inert atmosphere

With sodium tetrahydroborate; sodium cyanoborohydride; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; trifluoroacetic acid; In methanol; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/j.tet.2011.05.054