2,2-dimethyl-propionic acid 2-[4-(2,5-dimethyl-benzyl)-2-oxo-3,4-dihydro-2H-pyridin-1-yl]-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-3-yl ester

Base Information

Chemical Name:2,2-dimethyl-propionic acid 2-[4-(2,5-dimethyl-benzyl)-2-oxo-3,4-dihydro-2H-pyridin-1-yl]-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-3-yl ester
CAS No.:891833-71-9
Molecular Formula:C₄₀H₅₉NO₁₀
Molecular Weight:713.909
Hs Code.:

2,2-dimethyl-propionic acid 2-[4-(2,5-dimethyl-benzyl)-2-oxo-3,4-dihydro-2<i>H</i>-pyridin-1-yl]-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-3-yl ester

Synonyms:2,2-dimethyl-propionic acid 2-[4-(2,5-dimethyl-benzyl)-2-oxo-3,4-dihydro-2H-pyridin-1-yl]-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-3-yl ester

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Chemical Property of 2,2-dimethyl-propionic acid 2-[4-(2,5-dimethyl-benzyl)-2-oxo-3,4-dihydro-2H-pyridin-1-yl]-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-3-yl ester

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Technology Process of 2,2-dimethyl-propionic acid 2-[4-(2,5-dimethyl-benzyl)-2-oxo-3,4-dihydro-2H-pyridin-1-yl]-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-3-yl ester

There total 3 articles about 2,2-dimethyl-propionic acid 2-[4-(2,5-dimethyl-benzyl)-2-oxo-3,4-dihydro-2H-pyridin-1-yl]-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-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:

: 349552-22-3
(2,5-dimethylbenzyl)magnesium chloride

: 390805-93-3
1,2-dihydro-1-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)-pyridin-2(1H)-one

: 2,2-dimethyl-propionic acid 2-[4-(2,5-dimethyl-benzyl)-2-oxo-3,4-dihydro-2H-pyridin-1-yl]-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-3-yl ester

: 891833-71-9
2,2-dimethyl-propionic acid 2-[4-(2,5-dimethyl-benzyl)-2-oxo-3,4-dihydro-2H-pyridin-1-yl]-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-3-yl ester

Guidance literature:: 1,2-dihydro-1-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)-pyridin-2(1H)-one; With triisopropylsilyl trifluoromethanesulfonate; In dichloromethane; at 20 ℃; for 1h;

(2,5-dimethylbenzyl)magnesium chloride; With 2,6-dimethylpyridine; at 20 ℃; for 2h;
DOI:10.1002/anie.200504090

Reference yield:

: 18292-04-1
2-(trimethylsilyloxy)pyridine

: 891833-71-9
2,2-dimethyl-propionic acid 2-[4-(2,5-dimethyl-benzyl)-2-oxo-3,4-dihydro-2H-pyridin-1-yl]-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-3-yl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: 99 percent / TiCl₄ / 1,2-dichloro-ethane / 2 h / 70 °C

2.1: triisopropylsilyl trifluoromethanesulfonate / CH₂Cl₂ / 1 h / 20 °C

2.2: 2,6-lutidine / 2 h / 20 °C

With triisopropylsilyl trifluoromethanesulfonate; titanium tetrachloride; In dichloromethane; 1,2-dichloro-ethane;
DOI:10.1002/anie.200504090

Reference yield:

: 133578-29-7
2,3,4,6-tetra-O-pivaloyl-α-D-galactopyranosyl fluoride

: 891833-71-9
2,2-dimethyl-propionic acid 2-[4-(2,5-dimethyl-benzyl)-2-oxo-3,4-dihydro-2H-pyridin-1-yl]-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-3-yl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: 99 percent / TiCl₄ / 1,2-dichloro-ethane / 2 h / 70 °C

2.1: triisopropylsilyl trifluoromethanesulfonate / CH₂Cl₂ / 1 h / 20 °C

2.2: 2,6-lutidine / 2 h / 20 °C

With triisopropylsilyl trifluoromethanesulfonate; titanium tetrachloride; In dichloromethane; 1,2-dichloro-ethane;
DOI:10.1002/anie.200504090