Novel chiral fluorescent macrocyclic receptors: synthesis and recognition for amino acid anions
摘要:
New chiral fluorescence macrocycles 1 and 2 containing naphthalene and amino acid units were synthesized. The binding properties for amino acid anions were examined by the fluorescence and H-1 NMR spectra. The results indicated good enantio selectivity of 1 toward the N-protected phenylalanine anions. (c) 2006 Elsevier Ltd. All rights reserved.
A series of bis-oxy cyclophane diamides with bis(aminomethyl)m-terphenyl as spacer have been synthesized and characterized from spectral and analytical data. All the cyclophane diamides exhibit better anti-arthritic activity than the reference drug viz. diclofenac sodium. Some of the cyclophane diamides exhibit good anti-inflammatory activity. The cyclophane amide 4 and 5 do not show any evidence of
Steric inhibition of hydrogen bonding in molecular recognition of dicarboxylic acids: di-topic receptors containing a nitro group designed to behave like monotopic receptors
作者:Shyamaprosad Goswami、Rinku Chakrabarty、Swapan Dey、Hoong-Kun Fun
DOI:10.1039/c4ra06994c
日期:——
Five receptors (1–5) including two macrocyclic receptors have been designed and synthesized for the recognition of dicarboxylicacids. The receptors having an NO2 group show inhibition in hydrogen bonding molecular recognition towards the dicarboxylicacid and this effect becomes more prominent in the case of macrocyclic receptors 4 and 5 in CHCl3. The binding behavior of these receptors has been studied
已经设计并合成了包括两个大环受体在内的五个受体(1-5),用于识别二元羧酸。具有NO 2基团的受体在对二羧酸的氢键分子识别中显示出抑制作用,并且在CHCl 3中的大环受体4和5的情况下,这种作用更加明显。这些受体的结合行为已经通过UV-vis,荧光和1:1 1 H NMR结合研究进行了研究。