(4R,5R)-4,5-diphenyl-3',4'-dihydro-2'H-spiro[[1,3]dioxolane-2,1'-naphthalene]

Base Information

• Chemical Name: (4R,5R)-4,5-diphenyl-3',4'-dihydro-2'H-spiro[[1,3]dioxolane-2,1'-naphthalene]
• CAS No.: 1334722-62-1
• Molecular Formula: C₂₄H₂₂O₂
• Molecular Weight: 342.437
• Mol file: 1334722-62-1.mol

Synonyms:(4R,5R)-4,5-diphenyl-3',4'-dihydro-2'H-spiro[[1,3]dioxolane-2,1'-naphthalene]

Chemical Property of (4R,5R)-4,5-diphenyl-3',4'-dihydro-2'H-spiro[[1,3]dioxolane-2,1'-naphthalene]

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (4R,5R)-4,5-diphenyl-3',4'-dihydro-2'H-spiro[[1,3]dioxolane-2,1'-naphthalene]

There total 2 articles about (4R,5R)-4,5-diphenyl-3',4'-dihydro-2'H-spiro[[1,3]dioxolane-2,1'-naphthalene] 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: 67.0%

(R,R)-hydroxybenzoin (52340-78-0) + 1,1-dimethoxy-1,2,3,4-tetrahydronaphthalene (105644-28-8) → (4R,5R)-4,5-diphenyl-3',4'-dihydro-2'H-spiro[[1,3]dioxolane-2,1'-naphthalene] (1334722-62-1)

Guidance literature:

With toluene-4-sulfonic acid; In chloroform; at 20 ℃; for 20h; Molecular sieve;

DOI:10.1002/chir.20987

Reference yield:

3,4-dihydronaphthalene-1(2H)-one (529-34-0) → (4R,5R)-4,5-diphenyl-3',4'-dihydro-2'H-spiro[[1,3]dioxolane-2,1'-naphthalene] (1334722-62-1)

Guidance literature:

Multi-step reaction with 2 steps

1: toluene-4-sulfonic acid / methanol / 6 h / 20 °C

2: toluene-4-sulfonic acid / chloroform / 20 h / 20 °C / Molecular sieve

With toluene-4-sulfonic acid; In methanol; chloroform;

DOI:10.1002/chir.20987

Reference yield: 91.0%

(4R,5R)-4,5-diphenyl-3',4'-dihydro-2'H-spiro[[1,3]dioxolane-2,1'-naphthalene] (1334722-62-1) → (1R,2R)-1,2-diphenyl-2-(1,2,3,4-tetrahydronaphthalen-1-yloxy)ethanol (1334722-64-3)

Guidance literature:

(4R,5R)-4,5-diphenyl-3',4'-dihydro-2'H-spiro[[1,3]dioxolane-2,1'-naphthalene]; With diisobutylaluminium hydride; In toluene; at 0 ℃; Inert atmosphere;

With methanol; In toluene; Inert atmosphere;

DOI:10.1002/chir.20987

upstream raw materials:

(R,R)-hydroxybenzoin

1,1-dimethoxy-1,2,3,4-tetrahydronaphthalene

3,4-dihydronaphthalene-1(2H)-one

Downstream raw materials:

(1R,2R)-1,2-diphenyl-2-(1,2,3,4-tetrahydronaphthalen-1-yloxy)ethanol