71779-89-0

Basic information

• Product Name: 5,6,11,12-tetramethyltricyclo[8.2.2.2~4,7~]hexadeca-1(12),4,6,10,13,15-hexaene
• CAS NO: 71779-89-0
• Molecular Formula: C₂₀H₂₄
• Molecular Weight: 264.4046
• Mol File: 71779-89-0.mol

Chemical Properties

• Boiling Point: 394.4°C at 760 mmHg
• Flash Point: 211.1°C
• Density: 0.991g/cm³
• Vapor Pressure: 4.52E-06mmHg at 25°C
• Refractive Index: 1.565
• CAS DataBase Reference: 5,6,11,12-tetramethyltricyclo[8.2.2.2~4,7~]hexadeca-1(12),4,6,10,13,15-hexaene(CAS DataBase Reference)
• NIST Chemistry Reference: 5,6,11,12-tetramethyltricyclo[8.2.2.2~4,7~]hexadeca-1(12),4,6,10,13,15-hexaene(71779-89-0)
• EPA Substance Registry System: 5,6,11,12-tetramethyltricyclo[8.2.2.2~4,7~]hexadeca-1(12),4,6,10,13,15-hexaene(71779-89-0)

Safety Data

• Hazardous Substances Data: 71779-89-0(Hazardous Substances Data)

Upstream product

• 37437-90-4 tricyclo[8.2.2.24,7]hexadeca-4,6,10,12,13,15-hexaene-5,6,11,12-tetracarboxylic acid tetramethyl ester 
• 102419-27-2 4,5,12,13-tetrakis(hydroxymethyl)<2.2>paracyclophane 
• 102419-26-1 4,5,12,13-tetrakis(bromomethyl)<2.2>paracyclophane 

Downstream Products

• 104830-47-9 5,6,13,14-Tetramethyl-tricyclo[8.2.2.2^4,7]hexadeca-1⁽¹³⁾,4⁽¹⁶⁾,5,7⁽¹⁵⁾,10⁽¹⁴⁾,11-hexaene; compound with 2-(4-dicyanomethylene-cyclohexa-2,5-dienylidene)-malononitrile 
• 77897-14-4 4,5,7,12,13-pentamethyl<2.2>paracyclophane 
• 77897-19-9 4,5,7,8,12,13,15-heptamethyl<2.2>paracyclophane 
• 77897-17-7 5,6,11,13,14,16-Hexamethyl-tricyclo[8.2.2.2^4,7]hexadeca-1⁽¹³⁾,4⁽¹⁶⁾,5,7⁽¹⁵⁾,10⁽¹⁴⁾,11-hexaene 
• 77897-20-2 4,5,7,8,12,13,15,16-Octamethyl<2.2>paracyclophan 
• 15162-36-4 4,7,13,16-tetramethyl[2.2]paracyclophane 
• 83566-23-8 4,5,7,13-tetramethyl<2.2>paracyclophan 

Relevant articles and documents

Preparation and structure determination of a stable cis-Bis-σ- homobenzene derivative

By cyclopropanation of tetramethyl[2,2]paracyclophane 9 the tetramethylene adduct 10 has been prepared. This hydro carbon is the first stable cis-bis-σ-homobenzene for which a structure has been determined by X-ray diffraction.

CYCLOPHANE, XIV: DARSTELLUNG POLYMETHYLIERTER PARACYCLOPHANE

Starting from 4, 5, 12, 13-tetrakis(methoxycarbonil)paracyclophane (1), the penta-(4), hexa-(6a-c), hepta-(7), and octamethyl-(8) derivatives have been prepared by a repetative formylation-reduction sequence.