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2,4-Dichloropyridine: 26452-80-2-1 2,5-Dichloropyridine: 16110-09-1: 193–194 2,6-Dichloropyridine: 2402-78-0: 211–212 3,4-Dichloropyridine: 55934-00-4: 22–24
2,6-Dichloropyridine is a chloropyridine with the formula C 5 H 3 Cl 2 N. A white solid, it is one of six isomers of dichloropyridine . It serves as a precursor to the antibiotic enoxacin , [ 2 ] as well as the drug and anpirtoline and the antifungal liranaftate .
The initially formed 2-chloropyridine reacts further to give 2,6-dichloropyridine. [2] Alternatively, 2-chloropyridines can be conveniently synthesized in high yields from pyridine-N-oxides. [3] 2-Chloropyridine was originally prepared by the chlorination of 2-hydroxypyridine with phosphoryl chloride. [4]
Chloropyridines are important intermediates to pharmaceuticals and agrochemicals. [1] A major use of 2-chloropyridine is the production of production of the fungicide pyrithione. Reaction of 4-chloropyridine with thioglycolic acid gives pyridylmercaptoacetic acid, a step in the production of cephalosporin antibiotics.
1,4-Dihydropyridine (DHP) is an organic compound with the formula CH 2 (CH=CH) 2 NH. The parent compound is uncommon, [ 2 ] but derivatives of 1,4-dihydropyridine are important commercially and biologically.
1,3-Dichloropropene, sold under diverse trade names, is an organochlorine compound with the formula C 3 H 4 Cl 2. It is a colorless liquid with a sweet smell. It is feebly soluble in water and evaporates easily. It is used mainly in farming as a pesticide, specifically as a preplant fumigant and nematicide. It acts non-specifically and is in ...
An example SDS, including guidance for handling a hazardous substance and information on its composition and properties. A safety data sheet (SDS), [1] material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products.
1,4-Dichlorobutane is a chloroalkane with the molecular formula (CH 2 CH 2 Cl) 2. It is one of several structural isomers of dichlorobutane. They are all colorless liquids of low flammabiltity and of interest for specialized synthetic uses.