4-Oxo-pentanoic acid (2R,3S,4S,5R,6S)-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6R)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-hydroxy-tetrahydro-pyran-3-yloxy]-4-(2-chloro-acetoxy)-tetrahydro-pyran-2-ylmethyl ester

Base Information

• Chemical Name: 4-Oxo-pentanoic acid (2R,3S,4S,5R,6S)-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6R)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-hydroxy-tetrahydro-pyran-3-yloxy]-4-(2-chloro-acetoxy)-tetrahydro-pyran-2-ylmethyl ester
• CAS No.: 148419-37-8
• Molecular Formula: C₅₅H₅₆ClNO₁₅
• Molecular Weight: 1006.5

Synonyms:

Chemical Property of 4-Oxo-pentanoic acid (2R,3S,4S,5R,6S)-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6R)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-hydroxy-tetrahydro-pyran-3-yloxy]-4-(2-chloro-acetoxy)-tetrahydro-pyran-2-ylmethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

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Useful:

Technology Process of 4-Oxo-pentanoic acid (2R,3S,4S,5R,6S)-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6R)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-hydroxy-tetrahydro-pyran-3-yloxy]-4-(2-chloro-acetoxy)-tetrahydro-pyran-2-ylmethyl ester

There total 4 articles about 4-Oxo-pentanoic acid (2R,3S,4S,5R,6S)-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6R)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-hydroxy-tetrahydro-pyran-3-yloxy]-4-(2-chloro-acetoxy)-tetrahydro-pyran-2-ylmethyl 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:

4-Oxo-pentanoic acid (2R,3S,4S,5R,6S)-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6S)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-(4-methoxy-phenoxy)-tetrahydro-pyran-3-yloxy]-4-(2-chloro-acetoxy)-tetrahydro-pyran-2-ylmethyl ester (148419-36-7) → 4-Oxo-pentanoic acid (2R,3S,4S,5R,6S)-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6R)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-hydroxy-tetrahydro-pyran-3-yloxy]-4-(2-chloro-acetoxy)-tetrahydro-pyran-2-ylmethyl ester (148419-37-8)

Guidance literature:

With ammonium cerium(IV) nitrate; In water; toluene; acetonitrile;

DOI:10.1016/S0040-4039(00)77492-2

Reference yield:

p-Methoxyphenyl O-(2,4-di-O-benzyl-β-D-galactopyranosyl)-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside (138906-46-4) → 4-Oxo-pentanoic acid (2R,3S,4S,5R,6S)-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6R)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-hydroxy-tetrahydro-pyran-3-yloxy]-4-(2-chloro-acetoxy)-tetrahydro-pyran-2-ylmethyl ester (148419-37-8)

Guidance literature:

Multi-step reaction with 3 steps

1: 74 percent / 2-chloro-1-methylpyridinium iodide, DABCO / 1,2-dichloro-ethane

2: DMAP / pyridine

3: CAN / acetonitrile; toluene; H₂O

With 1,4-diaza-bicyclo[2.2.2]octane; dmap; ammonium cerium(IV) nitrate; 2-chloro-1-methyl-pyridinium iodide; In pyridine; water; 1,2-dichloro-ethane; toluene; acetonitrile;

DOI:10.1016/S0040-4039(00)77492-2

Reference yield:

levulinic acid (123-76-2) → 4-Oxo-pentanoic acid (2R,3S,4S,5R,6S)-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6R)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-hydroxy-tetrahydro-pyran-3-yloxy]-4-(2-chloro-acetoxy)-tetrahydro-pyran-2-ylmethyl ester (148419-37-8)

Guidance literature:

Multi-step reaction with 3 steps

1: 74 percent / 2-chloro-1-methylpyridinium iodide, DABCO / 1,2-dichloro-ethane

2: DMAP / pyridine

3: CAN / acetonitrile; toluene; H₂O

With 1,4-diaza-bicyclo[2.2.2]octane; dmap; ammonium cerium(IV) nitrate; 2-chloro-1-methyl-pyridinium iodide; In pyridine; water; 1,2-dichloro-ethane; toluene; acetonitrile;

DOI:10.1016/S0040-4039(00)77492-2

upstream raw materials:

4-Oxo-pentanoic acid (2R,3S,4S,5R,6S)-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6S)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-(4-methoxy-phenoxy)-tetrahydro-pyran-3-yloxy]-4-(2-chloro-acetoxy)-tetrahydro-pyran-2-ylmethyl ester

p-Methoxyphenyl O-(2,4-di-O-benzyl-β-D-galactopyranosyl)-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside

levulinic acid

4-Oxo-pentanoic acid (2R,3R,4S,5R,6S)-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6S)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-(4-methoxy-phenoxy)-tetrahydro-pyran-3-yloxy]-4-hydroxy-tetrahydro-pyran-2-ylmethyl ester

Downstream raw materials:

4-Oxo-pentanoic acid (2R,3S,4S,5R,6S)-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6S)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-fluoro-tetrahydro-pyran-3-yloxy]-4-(2-chloro-acetoxy)-tetrahydro-pyran-2-ylmethyl ester

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