The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 3-Bromo-4-chloronitrobenzene( cas:16588-26-4 ) is researched.Product Details of 16588-26-4.Jorgensen, William L.; Bollini, Mariela; Thakur, Vinay V.; Domaoal, Robert A.; Spasov, Krasimir A.; Anderson, Karen S. published the article 《Efficient Discovery of Potent Anti-HIV Agents Targeting the Tyr181Cys Variant of HIV Reverse Transcriptase》 about this compound( cas:16588-26-4 ) in Journal of the American Chemical Society. Keywords: HIV Reverse Transcriptase inhibitor antiaids pyrimidinyl benzonitrile analog preparation. Let’s learn more about this compound (cas:16588-26-4).
Non-nucleoside reverse transcriptase inhibitors (NNRTIs) that interfere with the replication of human immunodeficiency virus (HIV) are being pursued with guidance from mol. modeling including free-energy perturbation (FEP) calculations for protein-inhibitor binding affinities. The previously reported pyrimidinylphenylamine 1 (I) and its chloro analog 2 are potent anti-HIV agents; they inhibit replication of wild-type HIV-1 in infected human T-cells with EC50 values of 2 and 10 nM, resp. However, they show no activity against viral strains containing the Tyr181Cys (Y181C) mutation in HIV-RT. Modeling indicates that the problem is likely associated with extensive interaction between the dimethylallyloxy substituent and Tyr181. As an alternative, a phenoxy group is computed to be oriented in a manner diminishing the contact with Tyr181. However, this replacement leads to a roughly 1000-fold loss of activity for 3 (2.5 μM). The present report details the efficient, computationally driven evolution of 3 to novel NNRTIs with sub-10 nM potency toward both wild-type HIV-1 and Y181C-containing variants. The critical contributors were FEP substituent scans for the phenoxy and pyrimidine rings and recognition of potential benefits of addition of a cyanovinyl group to the phenoxy ring.
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