Search results
Results from the WOW.Com Content Network
1 Material Safety Data Sheet. ... Print/export Download as PDF; Printable version; In other projects ... log 10 of Pyridine vapor pressure.
Pyriproxyfen is a pesticide which is found to be effective against a variety of insects. [3] It was introduced to the US in 1996, to protect cotton crops against whitefly.It has also been found useful for protecting other crops. [4]
In these conversions, chloride is displaced. [2] Pyrithione, the conjugate base of 2-mercaptopyridine-N-oxide, is a fungicide found in some shampoos. Oxidation 2-chloropyridine gives 2-chloropyridine-N-oxide. [5] The antihistamine pheniramine may be generated via the reaction of phenylacetonitrile with 2-chloropyridine in the presence of a base ...
4-Pyridone exists a keto-enol tautomerism with its enol tautomer 4-hydroxypyridine. In solution , the keto tautomer is favoured, [ 4 ] and the enol tautomer only becomes important in very dilute solutions or solutions of non-polar solvents.
In organic synthesis, PPTS is used as a weakly acidic catalyst, providing an organic soluble source of pyridinium (C 5 H 5 NH +) ions.For example, PPTS is used to deprotect silyl ethers or tetrahydropyranyl ethers when a substrate is unstable to stronger acid catalysts.
3-Picoline is a useful precursor to agrochemicals, such as chlorpyrifos. [1] Chlorpyrifos is produced from 3,5,6-trichloro-2-pyridinol, which is generated from 3-picoline by way of cyanopyridine. This conversion involves the ammoxidation of 3-methylpyridine: CH 3 C 5 H 4 N + 1.5 O 2 + NH 3 → NCC 5 H 4 N + 3 H 2 O
2,6-Diacetylpyridine is an organic compound with the formula C 5 H 3 N(C(O)CH 3) 2. It is a white solid that is soluble in organic solvents. It is a disubstituted pyridine. It is a precursor to ligands in coordination chemistry. [1] [2]
Pyridinium perbromide (also called pyridinium bromide perbromide, pyridine hydrobromide perbromide, or pyridinium tribromide) is an organic chemical composed of a pyridinium cation and a tribromide anion. It can also be considered as a complex containing pyridinium bromide—the salt of pyridine and hydrogen bromide—with an added bromine (Br ...