(E)-(4S,5R)-4-Allyloxy-5-formyloxy-hex-2-enoic acid 2-(toluene-4-sulfonyl)-ethyl ester

Base Information

• Chemical Name: (E)-(4S,5R)-4-Allyloxy-5-formyloxy-hex-2-enoic acid 2-(toluene-4-sulfonyl)-ethyl ester
• CAS No.: 161200-09-5
• Molecular Formula: C₁₉H₂₄O₇S
• Molecular Weight: 396.461
• Mol file: 161200-09-5.mol

Synonyms:(E)-(4S,5R)-4-Allyloxy-5-formyloxy-hex-2-enoic acid 2-(toluene-4-sulfonyl)-ethyl ester

Chemical Property of (E)-(4S,5R)-4-Allyloxy-5-formyloxy-hex-2-enoic acid 2-(toluene-4-sulfonyl)-ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (E)-(4S,5R)-4-Allyloxy-5-formyloxy-hex-2-enoic acid 2-(toluene-4-sulfonyl)-ethyl ester

There total 6 articles about (E)-(4S,5R)-4-Allyloxy-5-formyloxy-hex-2-enoic acid 2-(toluene-4-sulfonyl)-ethyl 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:

1,2-O-isopropylidene-5-deoxy-α-D-ribofuranose (37105-93-4) → (E)-(4S,5R)-4-Allyloxy-5-formyloxy-hex-2-enoic acid 2-(toluene-4-sulfonyl)-ethyl ester (161200-09-5)

Guidance literature:

Multi-step reaction with 4 steps

1: 75 percent / NaH / tetrahydrofuran

2: 60 percent aq. AcOH, conc. H₂SO₄ / 40 °C

3: NaIO₄ / methanol

4: benzene / 80 °C

With sodium periodate; sulfuric acid; sodium hydride; acetic acid; In tetrahydrofuran; methanol; benzene;

DOI:10.1016/0040-4039(94)02196-I

Reference yield:

5-deoxy-1,2-O-isopropylidene-α-D-erythro-pentofuranos-3-ulose (32453-67-1) → (E)-(4S,5R)-4-Allyloxy-5-formyloxy-hex-2-enoic acid 2-(toluene-4-sulfonyl)-ethyl ester (161200-09-5)

Guidance literature:

Multi-step reaction with 5 steps

1: NaBH₄ / ethanol

2: 75 percent / NaH / tetrahydrofuran

3: 60 percent aq. AcOH, conc. H₂SO₄ / 40 °C

4: NaIO₄ / methanol

5: benzene / 80 °C

With sodium tetrahydroborate; sodium periodate; sulfuric acid; sodium hydride; acetic acid; In tetrahydrofuran; methanol; ethanol; benzene;

DOI:10.1016/0040-4039(94)02196-I

Reference yield:

(3R,4S,5R)-4-Allyloxy-5-methyl-tetrahydro-furan-2,3-diol → (E)-(4S,5R)-4-Allyloxy-5-formyloxy-hex-2-enoic acid 2-(toluene-4-sulfonyl)-ethyl ester (161200-09-5)

Guidance literature:

Multi-step reaction with 2 steps

1: NaIO₄ / methanol

2: benzene / 80 °C

With sodium periodate; In methanol; benzene;

DOI:10.1016/0040-4039(94)02196-I

upstream raw materials:

(p-toluenesulfonylethoxy carbonylmethylene) triphenylphosphorane

Formic acid (1R,2R)-2-allyloxy-1-methyl-3-oxo-propyl ester

1,2-O-isopropylidene-5-deoxy-α-D-ribofuranose

5-deoxy-1,2-O-isopropylidene-α-D-erythro-pentofuranos-3-ulose

Downstream raw materials:

(3E,9E)-(5S,6R,11R,14R)-5,11-Dihydroxy-6,14-dimethyl-1,7-dioxa-cyclotetradeca-3,9-diene-2,8-dione

(E)-(4S,7R)-4-(4-Methoxy-benzyloxy)-7-(tetrahydro-pyran-2-yloxy)-oct-2-enoic acid (E)-(1R,2S)-2-allyloxy-1-methyl-4-[2-(toluene-4-sulfonyl)-ethoxycarbonyl]-but-3-enyl ester

(E)-(4S,7R)-7-Hydroxy-4-(4-methoxy-benzyloxy)-oct-2-enoic acid (E)-(1R,2S)-2-allyloxy-1-methyl-4-[2-(toluene-4-sulfonyl)-ethoxycarbonyl]-but-3-enyl ester

(E)-(4S,7R)-7-Hydroxy-4-(4-methoxy-benzyloxy)-oct-2-enoic acid (E)-(1R,2S)-2-allyloxy-4-carboxy-1-methyl-but-3-enyl ester