6-allyl-2-(6-methoxy-3-oxo-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,6-dihydro-2H-pyridin-3-one

Base Information

• Chemical Name: 6-allyl-2-(6-methoxy-3-oxo-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,6-dihydro-2H-pyridin-3-one
• CAS No.: 852921-51-8
• Molecular Formula: C₂₂H₂₅NO₆S
• Molecular Weight: 431.51

Synonyms:6-allyl-2-(6-methoxy-3-oxo-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,6-dihydro-2H-pyridin-3-one

Chemical Property of 6-allyl-2-(6-methoxy-3-oxo-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,6-dihydro-2H-pyridin-3-one

Chemical Property:

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Technology Process of 6-allyl-2-(6-methoxy-3-oxo-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,6-dihydro-2H-pyridin-3-one

There total 2 articles about 6-allyl-2-(6-methoxy-3-oxo-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,6-dihydro-2H-pyridin-3-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: 89.0%

6-methoxy-2-(6-methoxy-3-oxo-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,6-dihydro-2H-pyridin-3-one (852921-50-7) + allyl-trimethyl-silane (762-72-1) → 6-allyl-2-(6-methoxy-3-oxo-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,6-dihydro-2H-pyridin-3-one (852921-51-8)

Guidance literature:

With boron trifluoride;

DOI:10.1039/b417899h

Reference yield:

4-Methyl-benzenesulfinic acid ((1R,3R)-1,3-di-furan-2-yl-3-hydroxy-propyl)-amide (729567-28-6) → 6-allyl-2-(6-methoxy-3-oxo-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,6-dihydro-2H-pyridin-3-one (852921-51-8)

Guidance literature:

Multi-step reaction with 2 steps

1.1: NBS; aq. NaOAc / tetrahydrofuran

1.2: 33 percent / BF₃ / CH₂Cl₂

2.1: 89 percent / BF₃

With N-Bromosuccinimide; boron trifluoride; sodium acetate; In tetrahydrofuran;

DOI:10.1039/b417899h

Reference yield: 35.0%

6-allyl-2-(6-methoxy-3-oxo-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,6-dihydro-2H-pyridin-3-one (852921-51-8) → (2R,3R,6S)-6-Allyl-2-((2R,3S,6S)-3-hydroxy-6-methoxy-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,2,3,6-tetrahydro-pyridin-3-ol (852921-52-9)

Guidance literature:

With sodium tetrahydroborate; cerium(III) chloride; In methanol; dichloromethane; at -78 ℃;

DOI:10.1039/b417899h

upstream raw materials:

6-methoxy-2-(6-methoxy-3-oxo-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,6-dihydro-2H-pyridin-3-one

allyl-trimethyl-silane

4-Methyl-benzenesulfinic acid ((1R,3R)-1,3-di-furan-2-yl-3-hydroxy-propyl)-amide

Downstream raw materials:

(2R,3R,6S)-6-Allyl-2-((2R,3S,6S)-3-hydroxy-6-methoxy-3,6-dihydro-2H-pyran-2-ylmethyl)-1-(toluene-4-sulfonyl)-1,2,3,6-tetrahydro-pyridin-3-ol

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