Second, is it reasonable to begin distinguishing promiscuous from privileged compounds?
Among the various N-heterocyclic scaffolds, quinazolines and quinazolinones form a privileged class of compounds with their diverse spectrum of therapeutic potential.
Furthermore, in response to reviewer comments of Dr. Jeremy Jenkins, we report median promiscuity rates compared to average rates and briefly discuss a potential relationship between privileged structures and compounds displaying intra-family promiscuity.
Among hetrocyclic compounds, quinoline compounds are important privileged structure in medicinal chemistry, are widely used as "parental" compounds to synthesize molecules with medical benefits, especially with anti-malarial and anti-microbial activities.
Unmodified dsRNAs are vulnerable to nucleases in vivo, which limits the use of this class of compound to privileged local environments where local administration is possible.
In a first application, the method identified a molecular scaffold as a potentially privileged structure of druglike compounds for chemoresistant tumor therapy [1].
A series of compounds containing privileged scaffolds of the known histamine H1 receptor antagonists cetirizine, mianserin, ketotifen, loratadine, and bamipine were synthesized for further optimization as ligands for the related biogenic amine binding dopamine D3 receptor.
Compounds containing privileged substructures had a doubled rate of bioactivity, suggesting practical consequences for pharmaceutical discovery.
The difficulty of locating addresses and frequent change of address in less privileged settings in Brazil compounded this problem.
Many compounds containing privileged substructures bind proteins selectively, as revealed by NMR studies of biphenyl (5), for example (Fig. 1A; Hajduk et al., 2000), also present in the drug diflunisal (12) (Fig. 1C).
