347390-30-1

Basic information

• Product Name: Benzene, 1-(3,7-dimethyloctyl)-4-ethynyl-
• CAS NO: 347390-30-1
• Molecular Formula: C18H26
• Molecular Weight: 242.404
• Mol File: 347390-30-1.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: Benzene, 1-(3,7-dimethyloctyl)-4-ethynyl-(CAS DataBase Reference)
• NIST Chemistry Reference: Benzene, 1-(3,7-dimethyloctyl)-4-ethynyl-(347390-30-1)
• EPA Substance Registry System: Benzene, 1-(3,7-dimethyloctyl)-4-ethynyl-(347390-30-1)

Safety Data

• Hazardous Substances Data: 347390-30-1(Hazardous Substances Data)

Upstream product

• 59965-20-7 1-bromo-3,7-dimethyloctane 
• 53838-48-5 (+/-)-Dihydrocitronellic acid chloride 
• 32531-52-5 3,7-dimethyloctanoic acid 
• 347390-28-7 4-(3,7-dimethyloctanyl)-trimethylsilylethinylbenzene 
• 114499-45-5 3,7-dimethyloctanyl-1-magnesium bromide 
• 16116-78-2 (4-bromophenyl)(trimethylsilyl)acetylene 
• 1012859-89-0 1-bromo-4-(3,7-dimethyloctyl)benzene 

Downstream Products

• 347390-26-5 2,3,4,5-tetrakis(4-(3,7-dimethyloctanyl)phenyl)cyclopentadienone 
• 347390-12-9 4,4'-bis(3,7-dimethyloctanyl)diphenylacetylene 
• 347390-24-3 4,4'-(3,7-dimethyloctanyl)benzil 
• 347390-33-4 4-bromo-4'-(3,7-dimethyloctanyl)-diphenylacetylene 

Relevant articles and documents

DNA-Decorated Two-Dimensional Crystalline Nanosheets

Design and synthesis of high aspect ratio 2D nanosheets with surface having ultradense array of information-rich molecule such as DNA is extremely challenging. Herein, we report a universal strategy based on amphiphilicity-driven self-assembly for the crafting of high aspect ratio, 2D sheets that are densely surface-decorated with DNA. Microscopy and X-ray analyses have shown that the sheets are crystalline. The most unique feature of the sheets is DNA-directed surface addressability, which is demonstrated through the decoration of either faces of the sheet with gold nanoparticles through sequence-specific DNA hybridization. Our results suggest that this design strategy can be applied as a general approach for the synthesis of DNA decorated high aspect ratio sheets, which may find potential applications in materials science, drug delivery, and nanoelectronics.

Discotic liquid crystalline hexabenzocoronenes carrying chiral and racemic branched alkyl chains: Supramolecular engineering and improved synthetic methods

In this paper we present the synthesis and characterization of three different thermotropic liquid crystalline derivatives of hexabenzocoronene (HBC), substituted at the periphery by six chiral or racemic branched (3,7-dimethyloctanyl) chains, namely the chiral 5a, racemic 5b, and mono-bromo functionalized 18 carrying five alkyl chains. Improved methods for synthesis of HBC precursors, largely relying on transition-metal catalyzed coupling reactions, are also described. Solubility and processability are increased while the thermal K→DH transitions are shifted to lower temperatures, relative to analogous HBCs carrying n-alkyl chains. In case of substitution with a chiral branched alkyl chain, 5a, strong signals have been recorded by means of circular dichroism spectroscopy. All new compounds were characterized by 1H, 13C NMR, and UV-Vis spectroscopy, and FD-MS. Preliminary mesophase characterization is carried out by differential scanning calorimetry (DSC) and polarized light microscopy. In the course of the DSC experiments, optically pure and racemic HBC derivatives were compared.