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-yne
The suffix -yne is used in IUPAC chemical nomenclature to convey specific information regarding the presence of a triple bond within the parent compound. -yne is mainly used within organic nomenclature, however inorganic compounds containing unsaturation in the form of triple bond(s), are accommodated in substitutive nomenclature by the same methods used with alkynes i.e. the name of the corresponding saturated hydride is modified by replacing the '-ane’ ending with ‘-yne’. ‘-diyne’ is used when there are two triple bonds, and so on. The position of unsaturation is indicated by a numerical locant immediately preceding the '-yne' suffix, or 'locants' in the case of multiple triple bonds. Locants are chosen to be as low as possible. '-yne' is also used as an infix to name substituent groups that are triply bound to the parent compound. Sometimes a number between hyphens is inserted before it to state which atoms the triple bond is between. This suffix arose as a collapsed form of the end of the word "acetylene". The final "-e" disappears if it is followed by another suffix that starts with a vowel. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「-yne」の詳細全文を読む
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