Class notes

CHEM 123- Set 11 Notes

6 views 0 purchase

Course
CHEM 123 (CHEM123)

Institution
University Of British Columbia (UBC )

Notes for set 11 of chem123 at ubc; includes Fischer projections, relationship between compounds (enantiomers and diastereomers), and specific rotations

[Show more]

Preview 1 out of 1 pages

View example

Uploaded on May 19, 2022
Number of pages 1
Written in 2021/2022
Type Class notes
Professor(s) Richard kil
Contains All classes

relationship
between
compounds
stereoisomers
chiral
chirality
enantiomers
diastereomers
specific rotation
optically pure
inactive
active
fischer projections

CA$5.19

Add to cart

Add to wishlist

100% satisfaction guarantee
Immediately available after payment
Both online and in PDF
No strings attached

set 11

☐
relationship between compounds
I> chiral molecules
1
identical ↳ enantiomers
* •
same physical prope
it it •
rotate light in eq
II directions
diff conformations & not

{
-

clockwise rotat
related
2
Stereoisomers rot
+0 Rts
-

counter -

cc

same MF & connectivity but 3D atom orientation
↳
atom

differs specific rotation :
↳

molecule for an op
A enantiomers ( optical isomers ) (R →
s)
•
mixture of enan
•
2 non -

superimposable stereoisomers
rotation =

ex OH
.
OH

q = spec rot
(% (t ) )( of )-
.
.

(t)

( R) butan -2-01 ( s) butan -2-01
types of solutions
-

D
-

a a
mirrored
÷ chir
optically pure pure
:
into
page ,

÷ a
0"
active mixture
optically
:
OH 2

( not I :|
CI mirrored OH mirrored
about y É about ✗ -

chi
3
optically inactive no
:
axis
axis

A racemic
±
01-1
A
ex ( R) and CS ) -
Carlone has
H .

H
I +50.40 % S carrone

pF•
- =

"
→" lol

µ specific
Br R -
carrone rotat

\
S +720 let ✗
carvone =
-

B diastreomers

but all stereo centres 50.4 =
1×7172 ) +
(I -

✗ 71
• some not
change
ex ,
OH OH 50.4 =
7211 -

72 + 72 ✗
I =
✗
=
0.85 =
85% S

I ⑥ 15% R
OH OH

125,35 ) pentane -2,3 diol 12s ,3R ) pentane -2,3 diol D Fischer projections
- -

- -

COOH
H COOH
µ

o•ÉAaH
1K §g4H HO

'm
"
" " ' µ
" "
d Hf OH
) ¥ ,

,

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller anonuser1608. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$5.19. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

51036 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling