rac-4,4'-((1R,2S,3R,4S)-3,4-bis(2,4-dichlorophenyl)cyclobutane-1,2-diyl)dipyridine

Base Information

• Chemical Name: rac-4,4'-((1R,2S,3R,4S)-3,4-bis(2,4-dichlorophenyl)cyclobutane-1,2-diyl)dipyridine
• CAS No.: 953795-42-1
• Molecular Formula: C₂₆H₁₈Cl₄N₂
• Molecular Weight: 500.254

Synonyms:rac-4,4'-((1R,2S,3R,4S)-3,4-bis(2,4-dichlorophenyl)cyclobutane-1,2-diyl)dipyridine

Chemical Property of rac-4,4'-((1R,2S,3R,4S)-3,4-bis(2,4-dichlorophenyl)cyclobutane-1,2-diyl)dipyridine

Chemical Property:

Purity/Quality:

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Technology Process of rac-4,4'-((1R,2S,3R,4S)-3,4-bis(2,4-dichlorophenyl)cyclobutane-1,2-diyl)dipyridine

There total 4 articles about rac-4,4'-((1R,2S,3R,4S)-3,4-bis(2,4-dichlorophenyl)cyclobutane-1,2-diyl)dipyridine 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: 96.0%

C13H9Cl2N (32555-71-8) → rac-4,4'-((1R,2S,3R,4S)-3,4-bis(2,4-dichlorophenyl)cyclobutane-1,2-diyl)dipyridine (953795-42-1)

Guidance literature:

With oxalic acid; In cyclohexane; at 35 ℃; for 16h; stereoselective reaction; UV-irradiation;

DOI:10.1002/chem.201905597

Reference yield:

picoline (108-89-4) + 2,4-dichlorobenzaldeyhde (874-42-0) → rac-4,4'-((1R,2S,3R,4S)-3,4-bis(2,4-dichlorophenyl)cyclobutane-1,2-diyl)dipyridine (953795-42-1)

Guidance literature:

Multi-step reaction with 2 steps

1: acetic anhydride / 140 - 160 °C

2: oxalic acid / cyclohexane / 16 h / 35 °C / UV-irradiation

With oxalic acid; acetic anhydride; In cyclohexane;

DOI:10.1002/chem.201905597

Reference yield:

C13H9Cl2N*1.5H2O → rac-4,4'-((1R,2S,3R,4S)-3,4-bis(2,4-dichlorophenyl)cyclobutane-1,2-diyl)dipyridine (953795-42-1)

Guidance literature:

Irradiation;

DOI:10.1021/ja105166d

upstream raw materials:

picoline

2,4-dichlorobenzaldeyhde

C₁₃H₉Cl₂N

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