(4R)-4-benzyl-3,4-dihydro-1-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)pyridine-2(1H)-one

Base Information

Chemical Name:(4R)-4-benzyl-3,4-dihydro-1-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)pyridine-2(1H)-one
CAS No.:767321-69-7
Molecular Formula:C₃₈H₅₅NO₁₀
Molecular Weight:685.855
Hs Code.:

Synonyms:(4R)-4-benzyl-3,4-dihydro-1-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)pyridine-2(1H)-one

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Chemical Property of (4R)-4-benzyl-3,4-dihydro-1-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)pyridine-2(1H)-one

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Technology Process of (4R)-4-benzyl-3,4-dihydro-1-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)pyridine-2(1H)-one

There total 3 articles about (4R)-4-benzyl-3,4-dihydro-1-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)pyridine-2(1H)-one 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: 73.0%

: 6921-34-2
benzylmagnesium chloride

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

: 767321-69-7
(4R)-4-benzyl-3,4-dihydro-1-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)pyridine-2(1H)-one

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;

benzylmagnesium chloride; With 2,6-dimethylpyridine; at 20 ℃; for 2h;
DOI:10.1002/anie.200504090

Reference yield:

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

: 767321-69-7
(4R)-4-benzyl-3,4-dihydro-1-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)pyridine-2(1H)-one

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: 73 percent / 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

: 767321-69-7
(4R)-4-benzyl-3,4-dihydro-1-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)pyridine-2(1H)-one

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: 73 percent / 2,6-lutidine / 2 h / 20 °C

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