Last Updated
：2026/01/03
アンチペリプラナー
Hiragana
あんちぺりぷらなー
Noun
Japanese Meaning
有機化学などで使われる立体配置（配座）を表す専門用語で、二つの結合がほぼ反対向き（ねじれ角がおよそ150～180度の範囲）に位置している状態を指す。主に反応経路や立体化学の説明で用いられる。
Easy Japanese Meaning
二つの部分がほぼまっすぐ向かいあってねじれた分子の形をあらわすこと
Chinese (Simplified) Meaning
反共面（指二面角约150°至180°的几何取向） / 构象分析中，两键或取代基近共面且彼此相对的排列
Chinese (Traditional) Meaning
反式共平面；二面角約150°至180° / 分子中兩鍵或取代基在同一平面但方向相反的排列
Korean Meaning
분자 내 두 치환기가 같은 평면에서 서로 반대 방향으로 배치된 상태 / 비틀림각(이접각)이 150°~180°인 배열
Vietnamese Meaning
sự đối phẳng (trong hóa học), hai nhóm ở hai phía đối diện và gần đồng phẳng / có góc xoắn 150–180° giữa hai liên kết (cấu dạng đối phẳng)
Sense（1）
(chemistry) antiperiplanar, (describing a torsion angle between 150° and 180°)
（ romanization ）
Quizzes for review
(chemistry) antiperiplanar, (describing a torsion angle between 150° and 180°)
See correct answer
アンチペリプラナー
See correct answer
In this reaction, an antiperiplanar arrangement is necessary.
In this reaction, an antiperiplanar arrangement is necessary.
See correct answer
この反応では、アンチペリプラナーの配置が必要です。
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