5-cyano-5-(3,4-dimethoxy-phenyl)-2-hydroxy-cyclohex-1-enecarboxylic acid methyl ester

Base Information

• Chemical Name: 5-cyano-5-(3,4-dimethoxy-phenyl)-2-hydroxy-cyclohex-1-enecarboxylic acid methyl ester
• CAS No.: 735269-96-2
• Molecular Formula: C₁₇H₁₉NO₅
• Molecular Weight: 317.342
• Mol file: 735269-96-2.mol

Synonyms:5-cyano-5-(3,4-dimethoxy-phenyl)-2-hydroxy-cyclohex-1-enecarboxylic acid methyl ester

Chemical Property of 5-cyano-5-(3,4-dimethoxy-phenyl)-2-hydroxy-cyclohex-1-enecarboxylic acid methyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5-cyano-5-(3,4-dimethoxy-phenyl)-2-hydroxy-cyclohex-1-enecarboxylic acid methyl ester

There total 3 articles about 5-cyano-5-(3,4-dimethoxy-phenyl)-2-hydroxy-cyclohex-1-enecarboxylic acid methyl 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: 90.0%

3,4-dimethoxyphenylacetonitrile (93-17-4) + acrylic acid methyl ester (292638-85-8,9003-21-8,96-33-3) → 5-cyano-5-(3,4-dimethoxy-phenyl)-2-hydroxy-cyclohex-1-enecarboxylic acid methyl ester (735269-96-2)

Guidance literature:

With potassium tert-butylate; In tetrahydrofuran; at 25 ℃; for 1h;

DOI:10.1021/jo071202h

Reference yield: 89.0%

dimethyl 4-cyano-4-(3,4-dimethoxyphenyl)heptanedioate (61330-09-4) → 5-cyano-5-(3,4-dimethoxy-phenyl)-2-hydroxy-cyclohex-1-enecarboxylic acid methyl ester (735269-96-2)

Guidance literature:

With sodium hydride; In 1,2-dimethoxyethane; for 3h; Heating;

DOI:10.1016/j.tetlet.2004.05.021

Reference yield:

3,4-dimethoxyphenylacetonitrile (93-17-4) → 5-cyano-5-(3,4-dimethoxy-phenyl)-2-hydroxy-cyclohex-1-enecarboxylic acid methyl ester (735269-96-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 76 percent / NaOH; TBAHSO₄ / H₂O / 0.5 h / 0 °C

2: 89 percent / NaH / 1,2-dimethoxy-ethane / 3 h / Heating

With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate; sodium hydride; In 1,2-dimethoxyethane; water; 1: Michael addition / 2: Dieckmann condensation;

DOI:10.1016/j.tetlet.2004.05.021

upstream raw materials:

dimethyl 4-cyano-4-(3,4-dimethoxyphenyl)heptanedioate

3,4-dimethoxyphenylacetonitrile

acrylic acid methyl ester

Downstream raw materials:

4-(3,4-dimethoxyphenyl)-4-cyanocyclohexanone

mesembrine

9-(3,4-dimethoxy-phenyl)-3,3-dimethyl-1,5-dioxa-spiro[5.5]undecane-9-carbaldehyde

9-(3,4-dimethoxy-phenyl)-3,3-dimethyl-9-vinyl-1,5-dioxa-spiro[5.5]undecane