2,7-di-tert-butyl-9-(2-methyl-5-phenyl-cyclopentadienylmethyl)-9-H-fluorene

Base Information

• Chemical Name: 2,7-di-tert-butyl-9-(2-methyl-5-phenyl-cyclopentadienylmethyl)-9-H-fluorene
• CAS No.: 760993-51-9
• Molecular Formula: C₃₄H₃₈
• Molecular Weight: 446.676
• Mol file: 760993-51-9.mol

Synonyms:2,7-di-tert-butyl-9-(2-methyl-5-phenyl-cyclopentadienylmethyl)-9-H-fluorene

Chemical Property of 2,7-di-tert-butyl-9-(2-methyl-5-phenyl-cyclopentadienylmethyl)-9-H-fluorene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,7-di-tert-butyl-9-(2-methyl-5-phenyl-cyclopentadienylmethyl)-9-H-fluorene

There total 3 articles about 2,7-di-tert-butyl-9-(2-methyl-5-phenyl-cyclopentadienylmethyl)-9-H-fluorene 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: 68.0%

phenyllithium (591-51-5) + 2-(2,7-di-tert-butyl-9-H-fluoren-9-ylmethyl)-3-methyl-cyclopent-2-enone (760993-44-0) → 2,7-di-tert-butyl-9-(2-methyl-5-phenyl-cyclopentadienylmethyl)-9-H-fluorene (760993-51-9)

Guidance literature:

phenyllithium; 2-(2,7-di-tert-butyl-9-H-fluoren-9-ylmethyl)-3-methyl-cyclopent-2-enone; In diethyl ether; at -78 - 20 ℃;

With hydrogenchloride;

DOI:10.1016/j.jorganchem.2004.05.015

Reference yield:

2-(2,7-di-tert-butyl-9-H-fluoren-9-ylmethyl)-3a,4,7,7a-tetrahydro-4,7-methano-inden-1-one → 2,7-di-tert-butyl-9-(2-methyl-5-phenyl-cyclopentadienylmethyl)-9-H-fluorene (760993-51-9)

Guidance literature:

Multi-step reaction with 3 steps

1.1: CuI / diethyl ether / 0.5 h / -20 °C

1.2: 91 percent / 12 h / 20 °C

2.1: 60 percent / 300 °C

3.1: diethyl ether / -78 - 20 °C

3.2: 68 percent / aq. HCl

With copper(l) iodide; In diethyl ether;

DOI:10.1016/j.jorganchem.2004.05.015

Reference yield:

2-(2,7-di-tert-butyl-9-H-fluoren-9-ylmethyl)-3-methyl-2,3,3a,4,7,7a-hexahydro-4,7-methano-inden-1-one (760993-41-7) → 2,7-di-tert-butyl-9-(2-methyl-5-phenyl-cyclopentadienylmethyl)-9-H-fluorene (760993-51-9)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 60 percent / 300 °C

2.1: diethyl ether / -78 - 20 °C

2.2: 68 percent / aq. HCl

In diethyl ether;

DOI:10.1016/j.jorganchem.2004.05.015

upstream raw materials:

phenyllithium

2-(2,7-di-tert-butyl-9-H-fluoren-9-ylmethyl)-3-methyl-cyclopent-2-enone

2-(2,7-di-tert-butyl-9-H-fluoren-9-ylmethyl)-3-methyl-2,3,3a,4,7,7a-hexahydro-4,7-methano-inden-1-one

Downstream raw materials:

methylene[(9-(2,7-di-tert-butyl)fluorenyl)(2-(1-methyl)(3-phenyl)cyclopentadienyl)]zirconium dichloride