A new bridging reagent, N,N ′\|bis(chloroacetyl)propylenediamine was used to explore the relative activity and bridging pattern of p \|tert\|buty lcalix\arene, p \|tert\|buty lcalix\arene and butyl...A new bridging reagent, N,N ′\|bis(chloroacetyl)propylenediamine was used to explore the relative activity and bridging pattern of p \|tert\|buty lcalix\arene, p \|tert\|buty lcalix\arene and butylcalix\arene. It was found that the bridging reaction is selectively, at least, preferably at 1,3\|position for p \|tert\|butylcalix\arene and p \|tert\|b utylcalix\arene, 1,5\|position for p \|tert \|butylcalix\arene. Taking the yield of bridged calixarene as a comparsion standard, the activity decreases with the increasing of the number of phenolic units in calixarene.展开更多
文摘A new bridging reagent, N,N ′\|bis(chloroacetyl)propylenediamine was used to explore the relative activity and bridging pattern of p \|tert\|buty lcalix\arene, p \|tert\|buty lcalix\arene and butylcalix\arene. It was found that the bridging reaction is selectively, at least, preferably at 1,3\|position for p \|tert\|butylcalix\arene and p \|tert\|b utylcalix\arene, 1,5\|position for p \|tert \|butylcalix\arene. Taking the yield of bridged calixarene as a comparsion standard, the activity decreases with the increasing of the number of phenolic units in calixarene.
