120808-60-8

Basic information

• Product Name: 10,19-bis-(p-tolylsulphonyl)-1,4,7,13,16-pentaoxa-10,19-diazacyclohemicosane
• Synonyms: 10,19-bis-(p-tolylsulphonyl)-1,4,7,13,16-pentaoxa-10,19-diazacyclohemicosane
• CAS NO: 120808-60-8
• Molecular Weight: 614.781
• Mol File: 120808-60-8.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: 10,19-bis-(p-tolylsulphonyl)-1,4,7,13,16-pentaoxa-10,19-diazacyclohemicosane(CAS DataBase Reference)
• NIST Chemistry Reference: 10,19-bis-(p-tolylsulphonyl)-1,4,7,13,16-pentaoxa-10,19-diazacyclohemicosane(120808-60-8)
• EPA Substance Registry System: 10,19-bis-(p-tolylsulphonyl)-1,4,7,13,16-pentaoxa-10,19-diazacyclohemicosane(120808-60-8)

Safety Data

• Hazardous Substances Data: 120808-60-8(Hazardous Substances Data)

Upstream product

• 31255-10-4 1,2-bis-(2-bromo-ethoxy)-ethane 
• 59945-36-7 1,11-bis(p-tolylsulphonylamino)-3,6,9-trioxaundecane 
• 70-55-3 toluene-4-sulfonamide 
• 31255-26-2 1-bromo-2-{2-[2-(2-bromoethoxy)ethoxy]-ethoxy}ethane 
• 59945-35-6 N,N'-((ethane-1,2-diylbis(oxy))bis(ethane-2,1-diyl))bis(4-methylbenzenesulfonamide) 

Downstream Products

• 23978-10-1 kryptofix 23 

Relevant articles and documents

MACROHETEROCYCES. XXXVI. A CONVENIENT METHOD FOR SYNTHESIS OF DI- AND POLYAZACROWN ETHERS

A method is proposed for the production of di- and polyazacrown ethers by the condensation of bissulfonamides with dibromides or ditosyloxy derivatives in a two-phase aqueous alkali-toluene (benzene) system.The optimum concentration range for the substrate and the alkylating agent is 0.017-0.1 M.The catalytic activity of the quaternary ammonium salts decreases in the order (Bu)4NI > (Bu4)NBr > (Bu4)NCl > (Bu4)NHSO4 > (C2H5)3C6H5CH2NCl >> (Et)4NI > (Et)4NBr.The highest yields of te 12-membered azacrown ethers are obtained in the presence of lithium hyroxide, and the largest yields of the crown ethers with larger ring sizes are obtained in the presence of sodium or potassium hydroxide, and this is probably due to the matrix effects of the cation.