(4'R,5'R)-4',5'-diphenyl-7,7a-dihydrospiro[benzofuro-6(2H),2'-[1,3]dioxolan]-2-one

Base Information

• Chemical Name: (4'R,5'R)-4',5'-diphenyl-7,7a-dihydrospiro[benzofuro-6(2H),2'-[1,3]dioxolan]-2-one
• CAS No.: 1067954-76-0
• Molecular Formula: C₂₂H₁₈O₄
• Molecular Weight: 346.383
• Mol file: 1067954-76-0.mol

Synonyms:(4'R,5'R)-4',5'-diphenyl-7,7a-dihydrospiro[benzofuro-6(2H),2'-[1,3]dioxolan]-2-one

Chemical Property of (4'R,5'R)-4',5'-diphenyl-7,7a-dihydrospiro[benzofuro-6(2H),2'-[1,3]dioxolan]-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (4'R,5'R)-4',5'-diphenyl-7,7a-dihydrospiro[benzofuro-6(2H),2'-[1,3]dioxolan]-2-one

There total 1 articles about (4'R,5'R)-4',5'-diphenyl-7,7a-dihydrospiro[benzofuro-6(2H),2'-[1,3]dioxolan]-2-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: 89.0%

(4'R,5'R)-3a-hydroxy-4',5'-diphenyl-3,3a,7,7a-tetrahydrospiro[benzofuro-6(2H),2'-[1,3]dioxolan]-2-one → (4'R,5'R)-4',5'-diphenyl-7,7a-dihydrospiro[benzofuro-6(2H),2'-[1,3]dioxolan]-2-one (1067954-76-0)

Guidance literature:

With pyridine; thionyl chloride; at 20 ℃; for 0.25h;

DOI:10.1016/S0957-4166(03)00357-4

Reference yield: 98.0%

triisopropylsilyl trifluoromethanesulfonate (80522-42-5) + (4'R,5'R)-4',5'-diphenyl-7,7a-dihydrospiro[benzofuro-6(2H),2'-[1,3]dioxolan]-2-one (1067954-76-0) → (4'R,5'R)-4',5'-diphenyl-2-[(triisopropyl)silyloxy]-spiro[benzofuran-6(7H),2'-[1,3]dioxolan] (1067651-05-1)

Guidance literature:

With triethylamine; In dichloromethane; at 20 ℃; Inert atmosphere;

DOI:10.1021/jo801470u

Reference yield:

(4'R,5'R)-4',5'-diphenyl-7,7a-dihydrospiro[benzofuro-6(2H),2'-[1,3]dioxolan]-2-one (1067954-76-0) → 7α-hydroxy-7,8-dihydro-9βH-benzofuranone (444027-03-6) + (6S,7aR)-6-hydroxy-7,7a-dihydrobenzofuran-2(6H)-one (67765-59-7)

Guidance literature:

(4'R,5'R)-4',5'-diphenyl-7,7a-dihydrospiro[benzofuro-6(2H),2'-[1,3]dioxolan]-2-one; With montmorillonite K-10; In dichloromethane; for 1h; Heating;

With sodium tetrahydroborate; cerium(III) chloride; In ethanol; at 0 ℃; for 0.5h; Title compound not separated from byproducts;

DOI:10.1016/S0957-4166(03)00357-4

Downstream raw materials:

(S)-6-oxo-7,7a-dihydrobenzofuran-2(6H)-one

(R)-7,7a-Dihydro-benzofuran-2,6-dione

7α-hydroxy-7,8-dihydro-9βH-benzofuranone

(6S,7aR)-6-hydroxy-7,7a-dihydrobenzofuran-2(6H)-one