chiral center r s：Priority Rules for Naming Chiral Centers
Priority Rules for Naming Chiral Centers
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7.2
https://chem.libretexts.org
Rules for assigning an R/S designation to a chiral center · 1: Assign priorities to the four substituents, with #1 being the highest priority and ...
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Finding R and S for Chiral Centers
https://socratic.org
R and S are used to describe the configuration of a chirality center. Chirality center meaning that there are 4 different groups attached to one carbon.
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掌性(chirality)
https://highscope.ch.ntu.edu.t
而通常掌性分子裡都有掌性中心（chiral center）。掌性中心是在一個掌性分子中，接上四個不同基團的碳原子，所以這個碳一定是sp^3 混成軌域（sp ...
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立體化學Stereochemistry
https://thetinynotes.com
IUPAC定義：一個sp3碳上接了4個不同的原子為chirality center。(做為旋轉的中心) 如果分子具有某種程度的對稱性必定為achiral，但如果分子如無對稱性 ...