5,6-Dimethyl-1H-indene

Base Information

• Chemical Name: 5,6-Dimethyl-1H-indene
• CAS No.: 22430-63-3
• Molecular Formula: C11H12
• Molecular Weight: 144.216
• Hs Code.: 2902909090
• European Community (EC) Number: 244-992-5
• UNII: 2TX5B7C7NL
• DSSTox Substance ID: DTXSID30176964
• Nikkaji Number: J285.512G
• Wikidata: Q83047288
• Mol file: 22430-63-3.mol

Synonyms:5,6-Dimethyl-1H-indene;22430-63-3;5,6-dimethylindene;EINECS 244-992-5;Indene, 5,6-dimethyl-;2TX5B7C7NL;1H-Indene, 5,6-dimethyl-;DTXSID30176964

Chemical Property of 5,6-Dimethyl-1H-indene

Chemical Property:

• Vapor Pressure: 0.0914mmHg at 25°C
• Refractive Index: 1.574
• Boiling Point: 232.1 °C at 760 mmHg
• Flash Point: 88.2 °C
• PSA: 0.00000
• Density: 0.998 g/cm³
• LogP: 2.87270
• XLogP3: 3.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 144.093900383
• Heavy Atom Count: 11
• Complexity: 169

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC2=C(C=CC2)C=C1C

Technology Process of 5,6-Dimethyl-1H-indene

There total 11 articles about 5,6-Dimethyl-1H-indene 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: 90.0%

5,6-dimethyl-1-indanol (32521-03-2) → 5,6-dimethyl-1H-indene (22430-63-3)

Guidance literature:

In n-heptane; toluene;

Reference yield: 26.0%

1,2-diethynyl-4,5-dimethylbenzene (46037-61-0) → 5,6-dimethyl-1H-indene (22430-63-3)

Guidance literature:

With [1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene]gold bis(trifluoromethanesulfonyl)imidate; water; In tetrahydrofuran; at 20 ℃; for 7h; Inert atmosphere; Schlenk technique;

DOI:10.1002/anie.201409859

Reference yield: 11.0%

3,4-dimethyl-cis-bicyclo<4.3.0>nona-3,7-diene (7344-15-2,94921-61-6,126801-37-4) → 5,6-dimethyl-1H-indene (22430-63-3) + trans-3-cis-4-dimethyl-cis-3-trans-4-cis-7-trans-8-tetrachloro-cis-bicyclo<4.3.0>nonane + cis-3-trans-4-dimethyl-trans-3-cis-4-trans-7-cis-8-tetrachloro-cis-bicyclo<4.3.0>nonane

Guidance literature:

With chlorine; In tetrachloromethane; at -30 ℃; Yields of byproduct given. Title compound not separated from byproducts;

upstream raw materials:

5,6-Dimethylindan-1-one

5,6-dimethyl-1-indanol

3,4-dimethyl-cis-bicyclo<4.3.0>nona-3,7-diene

o-xylene

Refernces

• 1、 Bucher, Janina,St?sser, Tim,Rudolph, Matthias,Rominger, Frank,Hashmi, A. Stephen K.. "CO extrusion in homogeneous gold catalysis: Reactivity of gold acyl species generated through water addition to gold vinylidenes". . p. 1666 - 1670. Retrieved 2015/01/30.
• 2、 -. "LIGANDS AND CATALYSTS FOR PRODUCING ELASTOMERIC PROPYLENE POLYMERS". . . Retrieved 2008/06/13.