2,5-Dimethyl-3,4-diphenylcyclopentadienone

Base Information

• Chemical Name: 2,5-Dimethyl-3,4-diphenylcyclopentadienone
• CAS No.: 26307-17-5
• Molecular Formula: C19H16 O
• Molecular Weight: 260.335
• Hs Code.: 2914399090
• Mol file: 26307-17-5.mol

Synonyms:2,5-Dimethyl-3,4-diphenyl-2,4-cyclopentadien-1-one;2,5-Dimethyl-3,4-diphenylcyclopentadienone; Hemicyclone

Chemical Property of 2,5-Dimethyl-3,4-diphenylcyclopentadienone

Chemical Property:

• Vapor Pressure: 2.17E-07mmHg at 25°C
• Boiling Point: 423.8°C at 760 mmHg
• Flash Point: 186.3°C
• PSA: 17.07000
• Density: 1.121g/cm³
• LogP: 4.51650

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,5-Dimethyl-3,4-diphenylcyclopentadienone

There total 10 articles about 2,5-Dimethyl-3,4-diphenylcyclopentadienone 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: 97.0%

benzil (134-81-6) + pentan-3-one (96-22-0) → 2,5-dimethyl-3,4-diphenylcyclopenta-2,4-dienone (26307-17-5)

Guidance literature:

benzil; pentan-3-one; With potassium hydroxide; In isopropyl alcohol; at 20 ℃; for 3h;

With sulfuric acid; acetic anhydride; at 20 ℃; for 5h;

DOI:10.1021/jo900299q

Reference yield: 90.0%

(3aR,4S,7R,7aR)-2,4,7,7a-Tetramethyl-3,3a,5,6-tetraphenyl-3a,4,7,7a-tetrahydro-4,7-methano-indene-1,8-dione (35228-93-4,38883-84-0) → 2,5-dimethyl-3,4-diphenylcyclopenta-2,4-dienone (26307-17-5)

Guidance literature:

In neat (no solvent); at 145 ℃; under 0.001 Torr;

DOI:10.1016/0040-4020(80)80198-0

Reference yield:

C37H30O2 → 2,5-dimethyl-3,4-diphenylcyclopenta-2,4-dienone (26307-17-5)

Guidance literature:

With oxygen; methylene blue; In dichloromethane; at 80 ℃; Irradiation;

DOI:10.1016/j.tetlet.2010.11.071

upstream raw materials:

(3aR,4S,7R,7aR)-2,4,7,7a-Tetramethyl-3,3a,5,6-tetraphenyl-3a,4,7,7a-tetrahydro-4,7-methano-indene-1,8-dione

1,2-diphenyl-3,5-dimethyl-4-oxo-6,7-diazabicyclo<3.2.0>hept-2-ene

benzil

pentan-3-one

Downstream raw materials:

6,9-dimethyl-2,7,8-triphenyl-(5ac,9ac)-5a,6,9,9a-tetrahydro-6r,9c-methano-benzo[f][1,3]oxazepin-10-one

7,8a-dimethyl-3,5a,6-triphenyl-(5at,8at)-1,5,5a,8a-tetrahydro-1r,5c-etheno-cyclopenta[e][1,3]oxazepin-8-one

(1S,6R,7R,8S)-7,8-Dichloro-2,5-dimethyl-3,4-diphenyl-bicyclo[4.2.0]octa-2,4-diene

(1S,2R,3R,4S,5S,6S)-3,4-Dichloro-1,6-dimethyl-7,8-diphenyl-tricyclo[4.2.1.0^2,5]non-7-en-9-one