If you kept track of this as you did this

If you kept track of this as you did this - • If you kept...

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Unformatted text preview: • If you kept track of this as you did this, then you would have something that looks like this: 1,2 3,4,5,6 7,8,9,10 11 12, 13 14 15,16,17,18 19,20 o o If you see, I just kept a tally of how many isomers we had gotten to at each spot. So here, there are 20 total monochlorinated products possible. Allenes o Chiral compounds with no chiral carbons o Two double bonds directly next to each other C A C D B o For the molecule to be chiral, A≠B AND C≠D Fischer Projections CO2H H2 N H CH3 o Every intersection is a chiral carbon. o Everything on the horizontal is coming forward and everything on the vertical is going back CO2H H2 N H CH3 If you are asked to convert from Fischer to line-angle you cannot just draw the dashes and wedges like I’ve done here. Two of the pieces coming off any atom must be drawn flat (in the plane). o Still assign priorities the same way as before 2 CO2H H2 N 1 H 4 3 CH3 o Draw your circle from 1 to 2 to 3 2 CO2H H2 N 1 H 4 3 CH3 o If H (or any lowest priority group) is on the Horizontal, it’s Horribly Wrong! It looked like an R, but H was on the Horizontal so it’s an S. ...
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If you kept track of this as you did this - • If you kept...

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