Racemic, enatiomer??

[SpikeyMike83]

How can you tell if a reaction will result in multiple products? And then if it will be a racemic mixture or a set of enantiomers?

also, how can you tell if a reactant will yield only 1 product, or if it will yield two?

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[BlueEyes'06]

How can you tell if a reaction will result in multiple products? And then if it will be a racemic mixture or a set of enantiomers?

also, how can you tell if a reactant will yield only 1 product, or if it will yield two?

well, i think that if u have SN1 or E1 reaction then you would have racemic mixture of products and that will result in enantiomers, racemic mixtures are enantiomers, one has R configuration and the other one is S...........if i understood it correctly.......(took orgo 2 years ago)....and I think that when u have Br2/CCl4 reaction then the product is anti addition and it's also racemic mixture because it can attack the molecule from different sides...

 

[SpikeyMike83]

mmkay...

if the molecule is symmetrical then it only results in one product, and asymmetric molecules result in two products?

 

[BlueEyes'06]

mmkay...

if the molecule is symmetrical then it only results in one product, and asymmetric molecules result in two products?

SN1 and E1 result in racemic mixture (enantiomers S and R configuration)
Meso compound = plane of symetry= 2 products

.............brrrrrrrrrr.............?>.........i'm officially confused........

 

[You]

If it's SN1, it'll result in racemic (both R & S)

If it's SN2, it'll result in inversion (opposite of whatever it was)
because it attacks the primary C that is less steric and displaces the leaving group (usually halogen)