The complexation behavior of unsaturated fatty hydrocarbons,i.e.,1,7-octadiyne and 1,7-octadiene,by a perethylated pillar[5]arene has been investigated,which was compared with that for saturated n-octane. It was found...The complexation behavior of unsaturated fatty hydrocarbons,i.e.,1,7-octadiyne and 1,7-octadiene,by a perethylated pillar[5]arene has been investigated,which was compared with that for saturated n-octane. It was found that the host-guest binding strength increased in accordance with the electron-negativity of the terminal carbon atom on the guests:alkyne〉alkene〉alkane.展开更多
The binding behavior of pillar[5]arenes(P5 As)towards a series of olefin guests((E)-1,4-dichlo robut-2-ene(1 E),(Z)-1,4-dichlo robut-2-ene(1 Z),(E)-but-2-ene-1,4-diol(2 E),and(Z)-but-2-ene-1,4-diol(2 Z),as well as an ...The binding behavior of pillar[5]arenes(P5 As)towards a series of olefin guests((E)-1,4-dichlo robut-2-ene(1 E),(Z)-1,4-dichlo robut-2-ene(1 Z),(E)-but-2-ene-1,4-diol(2 E),and(Z)-but-2-ene-1,4-diol(2 Z),as well as an alkyne derivative 1,4-dichlorobut-2-yne(3))have been studied in organic solution.P5 As exhibit considerable selectivities for the trans-olefin isomers(1 E and 2 E)over their cis-isomers(1 Z and 2 Z).The cis/trans-selective interactions hold the potential of utilizing P5 As to separate olefin isomers.展开更多
基金supported by NNSFC(Nos.21272155 and 21272147)Innovation Program of Shanghai Municipal Education Commission(No.13YZ010)
文摘The complexation behavior of unsaturated fatty hydrocarbons,i.e.,1,7-octadiyne and 1,7-octadiene,by a perethylated pillar[5]arene has been investigated,which was compared with that for saturated n-octane. It was found that the host-guest binding strength increased in accordance with the electron-negativity of the terminal carbon atom on the guests:alkyne〉alkene〉alkane.
基金the National Natural Science Foundation of China(Nos.21772118 and 21971192)。
文摘The binding behavior of pillar[5]arenes(P5 As)towards a series of olefin guests((E)-1,4-dichlo robut-2-ene(1 E),(Z)-1,4-dichlo robut-2-ene(1 Z),(E)-but-2-ene-1,4-diol(2 E),and(Z)-but-2-ene-1,4-diol(2 Z),as well as an alkyne derivative 1,4-dichlorobut-2-yne(3))have been studied in organic solution.P5 As exhibit considerable selectivities for the trans-olefin isomers(1 E and 2 E)over their cis-isomers(1 Z and 2 Z).The cis/trans-selective interactions hold the potential of utilizing P5 As to separate olefin isomers.