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A pair of diazonium cations can be coupled to give biaryls. This conversion is illustrated by the coupling of the diazonium salt derived from anthranilic acid to give diphenic acid ((C 6 H 4 CO 2 H) 2). [22] In a related reaction, the same diazonium salt undergoes loss of N 2 and CO 2 to give benzyne. [23]
The diazo group (N 2) can be replaced by many other groups, usually anions, giving a variety of substituted phenyl derivatives: . C 6 H 5 N 2 + + Nu − → C 6 H 5 Nu + N 2. These transformations are associated with many named reactions including the Schiemann reaction, Sandmeyer reaction, and Gomberg-Bachmann reaction.
GLP-1 drugs used for weight loss involve all kinds of side effects—good and not-so-good—that may or may not strike the average user. (Reminder that there are many of these meds now. GLP-1s ...
[1] [38] Although he was aware of DNP's narrow therapeutic index, Tainter tried the drugs on obese patients and published successful results in 1933; average weight loss was 20 pounds (9.1 kg) and most recipients did not report adverse effects. In 1934, Tainter estimated that at least 100,000 people had been treated with DNP in the United ...
Soluble fiber helps keep you full for longer, which can support weight loss. Try replacing a bowl of high-added-sugar cereal with oats, swapping out rice for higher-fiber grains like barley, or ...
While most patients take GLP-1 drugs with few or no serious side effects, it's common to experience at least mild gastrointestinal issues like nausea, vomiting, stomach pain, constipation, and ...
Chlorobenzene (abbreviated PhCl) is an aryl chloride and the simplest of the chlorobenzenes, consisting of a benzene ring substituted with one chlorine atom. Its chemical formula is C 6 H 5 Cl. This colorless, flammable liquid is a common solvent and a widely used intermediate in the manufacture of other chemicals.
In organic chemistry, an azo coupling is an reaction between a diazonium compound (R−N≡N +) and another aromatic compound that produces an azo compound (R−N=N−R’).In this electrophilic aromatic substitution reaction, the aryldiazonium cation is the electrophile, and the activated carbon (usually from an arene, which is called coupling agent), serves as a nucleophile.