(2R,3R)-3-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-3-methoxy-2-methyl-propionaldehyde

Base Information

• Chemical Name: (2R,3R)-3-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-3-methoxy-2-methyl-propionaldehyde
• CAS No.: 122911-32-4
• Molecular Formula: C₁₉H₂₅NO₄
• Molecular Weight: 331.412
• Mol file: 122911-32-4.mol

Synonyms:(2R,3R)-3-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-3-methoxy-2-methyl-propionaldehyde

Chemical Property of (2R,3R)-3-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-3-methoxy-2-methyl-propionaldehyde

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R,3R)-3-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-3-methoxy-2-methyl-propionaldehyde

There total 8 articles about (2R,3R)-3-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-3-methoxy-2-methyl-propionaldehyde 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%

(2S,3R)-3-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-3-methoxy-2-methyl-propan-1-ol (122911-31-3) → (2R,3R)-3-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-3-methoxy-2-methyl-propionaldehyde (122911-32-4)

Guidance literature:

With pyridine-SO₃ complex; dimethyl sulfoxide; triethylamine; In tetrahydrofuran; for 0.25h; Ambient temperature;

DOI:10.1039/P19900000047

Reference yield:

(2R,3R)-3-(2,5-Dimethoxy-3-nitro-phenyl)-3-methoxy-2-methyl-propionic acid methyl ester (122911-29-9) → (2R,3R)-3-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-3-methoxy-2-methyl-propionaldehyde (122911-32-4)

Guidance literature:

Multi-step reaction with 4 steps

1: 100 percent / H₂ / 10percent Pd-C / ethanol / 2.5 h / 760 Torr

2: 91 percent / isobutyric acid / toluene / 65 h / Heating

3: 100 percent / LiAlH₄ / tetrahydrofuran / 3 h / -5 °C

4: 89 percent / SO₃*Py, Et₃N / dimethylsulfoxide; tetrahydrofuran / 0.75 h / 25 °C

With lithium aluminium tetrahydride; pyridine-SO₃ complex; hydrogen; triethylamine; isobutyric Acid; palladium on activated charcoal; In tetrahydrofuran; ethanol; dimethyl sulfoxide; toluene;

Reference yield:

(2R,3R)-3-(2,5-Dimethoxy-3-nitro-phenyl)-3-hydroxy-2-methyl-propionic acid methyl ester (128836-47-5) → (2R,3R)-3-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-3-methoxy-2-methyl-propionaldehyde (122911-32-4)

Guidance literature:

Multi-step reaction with 5 steps

1: 90 percent / NaH / tetrahydrofuran; dimethylformamide / 16 h / -5 °C

2: 100 percent / H₂ / 10percent Pd-C / ethanol / 2.5 h / 760 Torr

3: 91 percent / isobutyric acid / toluene / 65 h / Heating

4: 100 percent / LiAlH₄ / tetrahydrofuran / 3 h / -5 °C

5: 89 percent / SO₃*Py, Et₃N / dimethylsulfoxide; tetrahydrofuran / 0.75 h / 25 °C

With lithium aluminium tetrahydride; pyridine-SO₃ complex; hydrogen; sodium hydride; triethylamine; isobutyric Acid; palladium on activated charcoal; In tetrahydrofuran; ethanol; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene;

upstream raw materials:

(2S,3R)-3-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-3-methoxy-2-methyl-propan-1-ol

2,5-dimethoxy-3-nitrobenzaldehyde

(2R,3R)-3-(2,5-Dimethoxy-3-nitro-phenyl)-3-hydroxy-2-methyl-propionic acid methyl ester

(2R,3R)-3-(2,5-Dimethoxy-3-nitro-phenyl)-3-methoxy-2-methyl-propionic acid methyl ester

Downstream raw materials:

(4S,5R)-5-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-5-methoxy-4-methyl-pentanoic acid

(4S,5R)-5-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-5-methoxy-4-methyl-pentanoic acid methyl ester

(S)-3-{(2S,4S,5R)-5-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-2-hydroxy-5-methoxy-4-methyl-pentanoyl}-4-isopropyl-oxazolidin-2-one

(S)-3-{(4S,5R)-5-[3-(2,5-Dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-5-methoxy-4-methyl-pentanoyl}-4-isopropyl-oxazolidin-2-one