(R)-5-[(S)-2-bromo-1-(4-methoxybenzyloxy)allyl]dihydrofuran-2(3H)-one

Base Information

• Chemical Name: (R)-5-[(S)-2-bromo-1-(4-methoxybenzyloxy)allyl]dihydrofuran-2(3H)-one
• CAS No.: 1236063-56-1
• Molecular Formula: C₁₅H₁₇BrO₄
• Molecular Weight: 341.202
• Mol file: 1236063-56-1.mol

Synonyms:(R)-5-[(S)-2-bromo-1-(4-methoxybenzyloxy)allyl]dihydrofuran-2(3H)-one

Chemical Property of (R)-5-[(S)-2-bromo-1-(4-methoxybenzyloxy)allyl]dihydrofuran-2(3H)-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

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Technology Process of (R)-5-[(S)-2-bromo-1-(4-methoxybenzyloxy)allyl]dihydrofuran-2(3H)-one

There total 2 articles about (R)-5-[(S)-2-bromo-1-(4-methoxybenzyloxy)allyl]dihydrofuran-2(3H)-one 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: 94.0%

(5R)-5-[(1R)-1-(4-methoxybenzyloxy)prop-2-enyl]-4,5-dihydro-2(3H)-furanone (901143-94-0) → (R)-5-[(S)-2-bromo-1-(4-methoxybenzyloxy)allyl]dihydrofuran-2(3H)-one (1236063-56-1)

Guidance literature:

(5R)-5-[(1R)-1-(4-methoxybenzyloxy)prop-2-enyl]-4,5-dihydro-2(3H)-furanone; With pyridinium hydrobromide perbromide; In dichloromethane; at 20 ℃; Inert atmosphere;

With 1,8-diazabicyclo[5.4.0]undec-7-ene; In dichloromethane; at 0 - 60 ℃; for 0.3h; Inert atmosphere;

DOI:10.1002/ejoc.201300173

Reference yield: 67.0%

(5R)-5-[(1S)-2,3-dibromo-1-(4-methoxybenzyloxy)propyl]-4,5-dihydro-2(3H)-furanone (901142-84-5) → (R)-5-[(S)-2-bromo-1-(4-methoxybenzyloxy)allyl]dihydrofuran-2(3H)-one (1236063-56-1)

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; N,N-dimethyl-formamide; at 60 ℃; regioselective reaction;

DOI:10.1055/s-0030-1258813

Reference yield: 89.0%

(R)-5-[(S)-2-bromo-1-(4-methoxybenzyloxy)allyl]dihydrofuran-2(3H)-one (1236063-56-1) + (R)-3-[(tert-butyldiphenylsilyloxy)methyl]-4-methylpent-1-ene → (R)-5-{(1R,5S)-5-[(tert-butyldiphenylsilyloxy)methyl]-1-(4-methoxybenzyloxy)-6-methyl-2-methyleneheptyl}dihydrofuran-2(3H)-one

Guidance literature:

(R)-3-[(tert-butyldiphenylsilyloxy)methyl]-4-methylpent-1-ene; With 9-borabicyclo[3.3.1]nonane dimer; In tetrahydrofuran; at 20 - 50 ℃; for 4h; Inert atmosphere;

With caesium carbonate; In tetrahydrofuran; water; at 20 ℃; for 0.833333h; Inert atmosphere;

(R)-5-[(S)-2-bromo-1-(4-methoxybenzyloxy)allyl]dihydrofuran-2(3H)-one; With tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; XPhos; In tetrahydrofuran; 1,4-dioxane; water; at 70 ℃; for 3.5h; Inert atmosphere;

DOI:10.1016/j.tet.2015.02.093

upstream raw materials:

(5R)-5-[(1S)-2,3-dibromo-1-(4-methoxybenzyloxy)propyl]-4,5-dihydro-2(3H)-furanone

(5R)-5-[(1R)-1-(4-methoxybenzyloxy)prop-2-enyl]-4,5-dihydro-2(3H)-furanone

Downstream raw materials:

(R)-5-[(R)-1-(4-methoxybenzyloxy)-5,5-dimethyl-2-methylenehex-3-ynyl]dihydrofuran-2(3H)-one