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A novel nitration (via C(sp)-N breaking/C(sp)-N formation with CHNO) mediated by [bis(trifluoroacetoxy)iodo]benzene (PIFA) is described. The NO transfer from CHNO to the aromatic group of the substrate is possible with careful selection of the solvent, NaX, and oxidant. In addition, the solvent-controlled C(sp)-H functionalization can shift to an α-C(sp)-H functionalization (cyanation or oxygenation) of the α-C(sp)-H of cyclic amines.
This article was published in the following journal.
Name: Organic letters
C-H bonds are ubiquitous in organic molecules and typically these bonds are chemically indistinct from each other and it would be highly advantageous for a synthetic chemist to have the ability to cho...
An atom-economical procedure for the synthesis of pyranoindolones fused with 7- or 8-membered rings has been developed. This process is realized through the sequential CsCO-promoted C-C σ-bond cleava...
Direct functionalization of CH bond is rapidly becoming an indispensible tool in chemical synthesis. However, due to the ubiquity of CH bonds, achieving site-selective functionalization remains an ard...
Exposure of Arabidopsis leaves to nitrogen dioxide (NO) results in the selective nitration of specific proteins, such as PsbO1. The 9th tyrosine residue (Tyr) of PsbO1 has been identified as the nitra...
Described here is the first example of solvent-promoted catalyst-free N-incorporation multicomponent domino reaction for the direct construction of novel π-extension fullerene-fused dihydrocarbol...
No clinical evidence has been yet published regarding the comparison of postoperative pain after removal of the root canal fillings with or without solvent. The aim of this study was to ev...
The aim of this randomized, controlled, prospective clinical trial was to evaluate the performances of two different universal adhesives and an etch&rinse adhesive in restoration of non-ca...
The Veterans Health Administration (VHA) has stated the need for a brief screening instrument that can assist with the triage of the enormous number of returning OEF/OIF veterans with conc...
Improved management of giant congenital diaphragmatic hernias (CDH) in neonates : decreased risk of morbidity and mortality due to prosthesis release. CDH is a rare disease with a still ve...
The aim of this randomized, controlled prospective clinical trial was to evaluate and compare the performances of three different universal adhesives using a flowable universal composite r...
The pressure required to prevent the passage of solvent through a semipermeable membrane that separates a pure solvent from a solution of the solvent and solute or that separates different concentrations of a solution. It is proportional to the osmolality of the solution.
A metabolic excess of REACTIVE NITROGEN SPECIES, including NITRIC OXIDE and PEROXYNITRITE, that leads to damaging effects of oxidation and nitration.
Implanted fluid propulsion systems with self-contained power source for providing long-term controlled-rate delivery of drugs such as chemotherapeutic agents or analgesics. Delivery rate may be externally controlled or osmotically or peristatically controlled with the aid of transcutaneous monitoring.
Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.
Derivative of 7-dehydroxycholesterol formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C24.