Cyclopentanone, 2,5-dibenzylidene-

Base Information

• Chemical Name: Cyclopentanone, 2,5-dibenzylidene-
• CAS No.: 895-80-7
• Molecular Formula: C19H16 O
• Molecular Weight: 260.335
• Hs Code.: 2914399090
• Mol file: 895-80-7.mol

Synonyms:NSC 71885;Cyclopentanone, 2,5-dibenzylidene-;Cyclopentanone, 2,5-bis(phenylmethylene)-;Cyclopentanone, 2,5-bis(phenylmethylene)- (9CI);SCHEMBL3128602;2,5-Dibenzylidene-cyclopentanone;AKOS015839057;(2Z,5E)-2,5-dibenzylidenecyclopentanone

Chemical Property of Cyclopentanone, 2,5-dibenzylidene-

Chemical Property:

• Vapor Pressure: 9.53E-09mmHg at 25°C
• Melting Point: 192 °C
• Boiling Point: 462.9°C at 760 mmHg
• Flash Point: 205.7°C
• PSA: 17.07000
• Density: 1.179g/cm³
• LogP: 4.51650
• XLogP3: 4.5
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 2
• Exact Mass: 260.120115130
• Heavy Atom Count: 20
• Complexity: 366

Purity/Quality:

98%,99%, ^*data from raw suppliers

2,5-Dibenzylidenecyclopentanone >98.0%(HPLC) ^*data from reagent suppliers

Safty Information:

• Safety Statements: S22:Do not inhale dust.; S24/25:Avoid contact with skin and eyes.

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1CC(=CC2=CC=CC=C2)C(=O)C1=CC3=CC=CC=C3
• Isomeric SMILES: C\1C/C(=C/C2=CC=CC=C2)/C(=O)/C1=C/C3=CC=CC=C3

Technology Process of Cyclopentanone, 2,5-dibenzylidene-

There total 20 articles about Cyclopentanone, 2,5-dibenzylidene- 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: 100.0%

benzaldehyde (100-52-7) + cyclopentanone (120-92-3) → 2,5-dibenzylidenecyclopentanone (895-80-7)

Guidance literature:

With sodium hydroxide; In ethanol; at 20 ℃;

DOI:10.1016/j.ejmech.2013.11.011

Reference yield: 85.0%

1-(trimethylsilyloxy)cyclopentene (19980-43-9) + benzaldehyde (100-52-7) → 2,5-dibenzylidenecyclopentanone (895-80-7)

Guidance literature:

With samarium (III) iodide; In tetrahydrofuran; for 6h; Ambient temperature;

DOI:10.1080/00397919608003641

Reference yield: 85.0%

2,5-dibromocyclopentan-1-one (53778-21-5) + benzaldehyde (100-52-7) → 2,5-dibenzylidenecyclopentanone (895-80-7)

Guidance literature:

With aluminum oxide; zirconium(IV) chloride; microwave irradiation;

upstream raw materials:

methyl magnesium iodide

Cyclopentanol

benzaldehyde

2-benzylidenecyclopentanone

Downstream raw materials:

2,5-dibenzylcyclopentanol

2,5-dibenzylidenecyclopentanol

7-benzylidene-4-phenyl-3-cyano-2-thioxo-2,5,6,7-tetrahydro-1H-pyrindines

cis/trans-2,5-dibenzylcyclopentanone

Refernces

• 1、 Patil, Rupesh C.,Patil, Uttam P.,Jagdale, Ashutosh A.,Shinde, Sachinkumar K.,Patil, Suresh S.. "Ash of pomegranate peels (APP): A bio-waste heterogeneous catalyst for sustainable synthesis of α,α′-bis(substituted benzylidine)cycloalkanones and 2-arylidene-1-tetralones". . p. 3527 - 3543. Retrieved 2020/05/13.
• 2、 Dalil Heirati, Seyedeh Zahra,Shirini, Farhad,Fallah Shojaei, Abdollah. "Sulfonated PEG-intercalated montmorillonite [(Mt/PEG)-SO3H] as efficient and ecofriendly nanocatalyst for synthesis of α,α′-bis(substituted benzylidene)cycloalkanones". . p. 6167 - 6186. Retrieved 2017/10/05.