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- W2496060567 abstract "In heterocyclic chemistry a saturated three-membered ring containing one oxygen, sulfur, or nitrogen atom is known as an oxiran(e) (ethylene oxide), thiiran(e) (ethylene sulfide), or aziridine (ethyleneimine). The corresponding saturated four-membered rings are oxetan(e) (trimethylene oxide), thietan(e) (trimethylene sulfide), and azetidine (trimethyleneimine), while the unsaturated derivatives containing one double bond are oxet(e) or oxeten(e), thiet(e) or thieten(e), and azetine. This chapter analyzes the synthesis, properties and reactions of three-membered rings containing an oxygen atom, such as oxiranes (ethylene oxides) and oxirenes (acetylene oxides), three-membered rings containing one sulfur atom, such as thiiranes (ethylene sulfides), thiiranium salts (episulfonium salts), and thiirenes (acetylene sulfides). It also examines the three-membered ring compounds containing one nitrogen atom and those with more than one hetero-atom such as oxadiaziridine. Four-membered rings with one oxygen atom include the oxetanes (trimethylene oxides), alkoxyoxetanes and oxetanols, oxetanones, and four-membered rings with one sulfur atom, such as thietanes (trimethylene sulfides), thietes or thietenes and their oxides, and thietanones. At present there is little information available on four-membered rings containing two hetero-atoms, but there is every indication of a growing interest in their chemistry." @default.
- W2496060567 created "2016-08-23" @default.
- W2496060567 creator A5034560085 @default.
- W2496060567 date "1964-01-01" @default.
- W2496060567 modified "2023-10-05" @default.
- W2496060567 title "Compounds with Three- and Four-Membered Heterocyclic Rings" @default.
- W2496060567 doi "https://doi.org/10.1016/b978-044453345-6.50684-2" @default.
- W2496060567 hasPublicationYear "1964" @default.
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