Ez form chemistry：EZ标记

E and Z Notation For Alkenes (+ CisTrans)

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If both substituents ranked 1 are on the same side of the pi bond, the bond is given the descriptor Z (short for German Zusammen, which means “ ...

E, Z系統

https://highscope.ch.ntu.edu.t

Introduction to Organic Chemistry. Wiley, Hoboken, NJ. 2. http://www.chemguide.co.uk/basicorg/isomerism/ez.html.

E

https://www.chemguide.co.uk

That means that the left-hand isomer in the last diagram is the (E)- form, and the right-hand one the (Z)-. Extending the rules to more complicated molecules.

E–Z notation

https://en.wikipedia.org

E–Z configuration, or the E–Z convention, is the IUPAC preferred method of describing the absolute stereochemistry of double bonds in organic chemistry.

E–Z system (video)

https://www.khanacademy.org

Naming Alkenes Using E Z System

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The E

https://chem.libretexts.org

The general strategy of the E-Z system is to analyze the two groups at each end of the double bond. At each end, rank the two groups, using the ...