Enantiomers, Diastereomers, Or The Same? (5)

Here's another example where you need to figure out which examples are Enantiomers, Diastereomers, Or The Same. Look at the connectivity, calculate the r/s and double check for symmetry.

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[kocono]

You sir, are a gentleman and a scholar! I've tried khan academy, clutch prep and the tutoring center at my school, no one has delivered lessons with such clarity as you have. I especially appreciate the more difficult examples that you use.

[larealezadetierracaliente]

Bond rotation hahaha. That's like destination do fail those questions on exams.  It is so difficult to do that for most students.  I loved this method.  I am fairly effective at looking those three things you mentioned.  I have a better chance at scoring points on my exam on Monday.  Thank you!! This is why I love Youtube.  Just thinking about rotating things in my mind during an exam makes me wanna cry, or using a model during an exam, WHAT!! Thanks a lot!!!

[jcuse]

You're an amazing teacher... I bought your reagent guide as well as summary sheets and they helped tremendously!!  Thanks for all the work you do.

[raghadodeh]

isn't there a possibility of them being enantiomers when its (R, S) and (S, R) ? how come we concluded its identical without checking if its meso?

[shuqinxu]

Thank you so much sir. I'm so grateful for teachers like you on youtube!

[charmielainepangan]

YOU'RE SO AWESOME! THANK YOU VERY MUCH! I HAVE UNDERSTOOD THIS PART MUCH MUCH BETTER NOW. YOU GAVE ME HOPE TO PASS MY FINALS! =D

[PreetKaur-fkds]

You are amazing, chose the perfect examples in each of this video series.

[xSupernovax]

Love your videos man,  i didn't cancel organic chem because i understood stuff so much with your vids,  keep up the good work !

[DjWhitefoxMadrid]

super useful and clear, thanks so much!!!!

[StefanChemist]

Thank you for this videos it really hels me during the exam preparation!

[leilamotamedi]

Hello, I wanted to get some clarity on how you are numbering your centers. I am confused, if you numbered the right molecule from left to right you get 1, 2, 3, 4. If that was the case, couldn't you argue that the two molecules are constitutional isomers? Thanks!

[morgansampi]

i don't get why r/s are the same?
isn't one S-R and the other R-S?? reply

[mayankagarwal]

What is the relation between S/R configurations of two diastereomers? And why arent these compounds meso?

[mustanglp]

when i converted to fisher to a bond line I ended up getting all my carbons in the plane, and having chlorine and hydroxide as wedges or dashes, giving me (R, R) and then (R, S)
what did i do wrong?

[music_with_adi]

+Master Organic Chemistry Great video! So, the two compounds are meso compounds, right?