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Aziridine is an organic compound consisting of the three-membered heterocycle C 2 H 5 N. [ 5 ] [ 6 ] It is a colorless, toxic, volatile liquid that is of significant practical interest. [ 7 ] Aziridine was discovered in 1888 by the chemist Siegmund Gabriel . [ 8 ]
Mitomycin C, an aziridine, is used as a chemotherapeutic agent by virtue of its antitumour activity. [1]In organic chemistry, aziridines are organic compounds containing the aziridine functional group (chemical structure (R−) 4 C 2 N−R), a three-membered heterocycle with one amine (>NR) and two methylene bridges (>CR 2).
Polyethylenimine (PEI) or polyaziridine is a polymer with repeating units composed of the amine group and two carbon aliphatic CH 2 CH 2 spacers. Linear polyethyleneimines contain all secondary amines, in contrast to branched PEIs which contain primary, secondary and tertiary amino groups.
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.
Binary ethylenimine (BEI) is a preparation of aziridine. It can be produced by heating bromoethylamine hydrobromide or 2-aminoethyl hydrogen sulfate in the presence of sodium hydroxide (Gabriel method). It contains at least one three-membered ring which is very reactive because of the ring strain.
This chemical is used in the paper, textile, rubber and pharmaceutical industries. Propyleneimine is also used in making paint. The top global producers of this specialty chemical include DuPont, Mitsubishi Chemical Holdings Corporation, Sigma-Aldrich, Dixie Chemical Company, J and K Scientific, Apollo Scientific, Mitsui Chemicals.
Aziridiniums are the ionic form of the class of molecules known as aziridines. [1] Aziridines can be used to insert nitrogen atoms during synthesis, but without any substituents attached to the nitrogen in the ring, they are considered nonactivated and inert. [2] They can be rendered active by the preparation of aziridinium ions.
Thus, ethylenimine is the three-membered ring species aziridine C 2 H 4 NH. [8] The relationship of imines to amines having double and single bonds can be correlated with imides and amides, as in succinimide vs acetamide. Imines are related to ketones and aldehydes by replacement of the oxygen with an NR group.