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Topic: Assign (R) or (S) configurations to the chirality centers  (Read 1858 times)

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Offline Aymen1saleh

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Assign (R) or (S) configurations to the chirality centers
« on: October 18, 2018, 02:41:07 PM »
Hi everyone,

I have this question about Assign (R) or (S) configurations to the chirality centers  in the following
molecules:



Here is the molecules: https://imgur.com/a/7smtjvy


Thanks,

Offline chenbeier

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Re: Assign (R) or (S) configurations to the chirality centers
« Reply #1 on: October 18, 2018, 04:02:48 PM »
Do you know the CIP rules. Cahn-Ingold-Prelog-Rules. You have to figure out the order of the substituentes. Hydrogen has the lowest value.The others according amount and order number in the PSE. The molecule has to be moved in this way that hydrogen is behind. The other 3 Substituents gave according the order 1 2 3 in clockwise R and anticlock the S configuration.

I asume S S R R. If I am right. Somebody can confirm.
« Last Edit: October 18, 2018, 04:26:23 PM by chenbeier »

Offline Aymen1saleh

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Re: Assign (R) or (S) configurations to the chirality centers
« Reply #2 on: October 19, 2018, 07:53:58 AM »
Any other answers? Please :(

Offline billnotgatez

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Re: Assign (R) or (S) configurations to the chirality centers
« Reply #3 on: October 19, 2018, 09:23:43 AM »
@Aymen1saleh
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