445220-81-5

Basic information

• Product Name: 1,3,4-Oxadiazole, 2-[4-(1,1-dimethylethyl)phenyl]-5-(4-ethynylphenyl)-
• CAS NO: 445220-81-5
• Molecular Formula: C20H18N2O
• Molecular Weight: 302.376
• Mol File: 445220-81-5.mol
• Article Data: 1

Chemical Properties

• Melting Point: 146.9-148.0 °C(Solv: ethanol (64-17-5); water (7732-18-5))
• Boiling Point: 432.6±55.0 °C(Predicted)
• Density: 1.16±0.1 g/cm3(Predicted)
• CAS DataBase Reference: 1,3,4-Oxadiazole, 2-[4-(1,1-dimethylethyl)phenyl]-5-(4-ethynylphenyl)-(CAS DataBase Reference)
• NIST Chemistry Reference: 1,3,4-Oxadiazole, 2-[4-(1,1-dimethylethyl)phenyl]-5-(4-ethynylphenyl)-(445220-81-5)
• EPA Substance Registry System: 1,3,4-Oxadiazole, 2-[4-(1,1-dimethylethyl)phenyl]-5-(4-ethynylphenyl)-(445220-81-5)

Safety Data

• Hazardous Substances Data: 445220-81-5(Hazardous Substances Data)

Upstream product

• 220843-12-9 2-(4-bromophenyl)-5-(4-(tert-butyl)phenyl)-1,3,4-oxadiazole 
• 586-75-4 4-chlorobenzoyl chloride 
• 43100-38-5 4-tert-butylbenzoic acid hydrazide 
• 329763-77-1 4-bromo-N'-[(4-tert-butylphenyl)carbonyl]benzohydrazide 
• 603997-40-6 2-(4-tert-butylphenyl)-5-[4-(3-hydroxy-3-methylbutynyl)phenyl]-1,3,4-oxadiazole 

Downstream Products

• 1571083-21-0 2-(4-tert-butylphenyl)-5-[4-(2-bromoethynyl)phenyl]-1,3,4-oxadiazole 
• 1210518-83-4 2-((4-(5-(4-tert-butylphenyl)-1,3,4-oxadiazol-2-yl)phenyl)ethynyl)-9H-fluoren-9-one 
• 1210518-79-8 dimethyl 2,7-bis((4-(5-(4-tert-butylphenyl)-1,3,4-oxadiazol-2-yl)phenyl)ethynyl)-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate 
• 1210518-75-4 dimethyl 2-((4-(5-(4-tert-butylphenyl)-1,3,4-oxadiazol-2-yl)phenyl)ethynyl)-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate 
• 1210518-73-2 dimethyl 2,7-bis((4-(5-(4-tert-butylphenyl)-1,3,4-oxadiazol-2-yl)phenyl)ethynyl)-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate 
• 1210518-71-0 dimethyl 2-((4-(5-(4-tert-butylphenyl)-1,3,4-oxadiazol-2-yl)phenyl)ethynyl)-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate 
• 696641-91-5 {3-[5-(4-tert-butylphenyl)-1,3,4-oxadiazol-2-yl]phenyl}propynal 
• 819863-75-7 2-(4-tert-butyl-phenyl)-5-{4-[5-(3,3-diethoxy-prop-1-ynyl)-thiophen-2-ylethynyl]-phenyl}-[1,3,4]oxadiazole 
• 819863-73-5 4-(5-{4-[5-(4-tert-butyl-phenyl)-[1,3,4]oxadiazol-2-yl]-phenylethynyl}-thiophen-2-yl)-2-methyl-but-3-yn-2-ol 
• 819863-74-6 2-(4-tert-butylphenyl)-5-{4-(5-ethynyl-2-thienylethynyl)phenyl}-1,3,5-oxadiazole 
• 819863-72-4 2-(4-tert-butyl-phenyl)-5-[4-(5-iodo-thiophen-2-ylethynyl)-phenyl]-[1,3,4]oxadiazole 

Relevant articles and documents

Molecular wires comprising π-extended ethynyl- and butadiynyl-2,5- diphenyl-1,3,4-oxadiazole derivatives: Synthesis, redox, structural, and optoelectronic properties

2,5-Diphenyl-1,3,4-oxadiazole (OXD) derivatives with terminal ethynyl- (4a,b) and butadiynyl-(8a,b) substituents have been synthesized in high yields. 2-Methyl-3,5-hexadiyn-2-ol has not been exploited previously in the synthesis of terminal butadiynes. Cr