What is Tetrahydropyrrole?

Tetrahydropyrrole has the properties and reactions of general amines, and is an important organic chemical raw material, which can be used in the preparation of drugs, fungicides and insecticides. It has extremely wide applications in the fields of medicine, food, pesticides, daily chemicals, paints, textiles, printing and dyeing, paper making, photosensitive materials, polymer materials, desulphurization agents, zeolite template substances, etc.

Properties and preparation of Tetrahydropyrrole.

Tetrahydropyrrole, also known as pyrrolidine, with the chemical formula C4H9N, is a colourless or yellow liquid with an unpleasant ammonia odour that turns yellow easily on exposure to light or humid air, and is soluble in water, ethanol, ether and chloroform. The molecular structure of pyrrolidine is a cyclic secondary amine, a natural substance found in tobacco and carrot leaves, which is highly alkaline, corrosive and flammable, fumes in the air and is toxic. Tetrahydropyrrole has the properties and reactions of general amines, and is an important organic chemical raw material, which can be used in the preparation of drugs, fungicides and insecticides. It has extremely wide applications in the fields of medicine, food, pesticides, daily chemicals, paints, textiles, printing and dyeing, paper making, photosensitive materials, polymer materials, desulphurization agents, zeolite template substances, etc..

Preparation methods.

Method 1: 1,4-butanediol is used as raw material and dehydrated to produce tetrahydrofuran, which is then reacted with ammonia to produce pyrrolidine.

Method 2: Tetrahydropyrrole can be produced by reacting furan with ammonia at 400°C under the action of a catalyst.

Method 3: 1,4-dichlorobutane is used as raw material and reacted with ammonia to produce pyrrolidine.

Method 4: Reduction with ruthenium or rhodium as catalyst, using pyrrole as raw material, leads to tetrahydropyrrole.

Upstream and downstream products of Tetrahydropyrrole.

Upstream products of [Pyrrolidine]: n-hexane, nitromethane, n-pentane, polysiloxane SF 96, polysiloxane DC-200, trimethylolpropane (TMP), adamantane, bromohexadecane, thirtiane, ethylcyclohexane, etc.

Downstream products of [Pyrrolidine]: Isopentane, n-nonane, methylcyclohexane, n-octane, n-heptane, 1-chlorobutane, isooctane, cyclohexane, epichlorohydrin | hexadecane, etc..

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