ethyl (E)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-3-hydroxy-1-propenyl>benzoate

Base Information

• Chemical Name: ethyl (E)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-3-hydroxy-1-propenyl>benzoate
• CAS No.: 150799-37-4
• Molecular Formula: C₂₃H₂₆O₄
• Molecular Weight: 366.457
• Mol file: 150799-37-4.mol

Synonyms:ethyl (E)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-3-hydroxy-1-propenyl>benzoate

Chemical Property of ethyl (E)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-3-hydroxy-1-propenyl>benzoate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of ethyl (E)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-3-hydroxy-1-propenyl>benzoate

There total 1 articles about ethyl (E)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-3-hydroxy-1-propenyl>benzoate 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: 31.2%

ethyl p-[(E)-2-(4,4-dimethyl-6-chromanyl)propenyl]-benzoate (88579-28-6) → ethyl (E)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-3-hydroxy-1-propenyl>benzoate (150799-37-4) + ethyl (Z)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-3-hydroxy-1-propenyl>benzoate

Guidance literature:

With selenium(IV) oxide; In ethanol; for 24h; Heating;

DOI:10.1002/jps.2600820522

Reference yield: 76.0%

ethyl (E)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-3-hydroxy-1-propenyl>benzoate (150799-37-4) → ethyl (E)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-2-propenal>benzoate (150799-39-6)

Guidance literature:

With manganese(IV) oxide; In dichloromethane; for 24h; Ambient temperature;

DOI:10.1002/jps.2600820522

Reference yield:

ethyl (E)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-3-hydroxy-1-propenyl>benzoate (150799-37-4) → ethyl (E)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-2-propenoic acid>benzoate

Guidance literature:

Multi-step reaction with 2 steps

1: 76 percent / MnO₂ / CH₂Cl₂ / 24 h / Ambient temperature

2: 82 percent / resorcinol, NaClO₂, NaH₂PO₄ / 2-methyl-propan-2-ol; H₂O / 24 h / Ambient temperature

With manganese(IV) oxide; sodium chlorite; sodium dihydrogenphosphate; recorcinol; In dichloromethane; water; tert-butyl alcohol;

DOI:10.1002/jps.2600820522

upstream raw materials:

ethyl p-[(E)-2-(4,4-dimethyl-6-chromanyl)propenyl]-benzoate

Downstream raw materials:

ethyl (E)-4-<2-(3,4-dihydro-4,4-dimethyl-2H-1-benzopyran-6-yl)-2-propenal>benzoate