Now Playing Tracks

3-BUTYL PYRIDINE, A simple nmr example

3-BUTYL PYRIDINE, A simple nmr example

3 Butyl pyridine

Formula: C9H13N, 135.2062

IR 

IR spectrum

IH NMR

NMR spectrum

SEE

http://www.sigmaaldrich.com/spectra/fnmr/FNMR006274.PDF

 Unsaturation answer

C9H13N
Rule 3, omit the N and one H, gives C9H12
9 – 12/2 + 1 = 4 degrees of unsaturation.
Look for an aromatic ring.

IR interpretation

The bands at 3000-2850 indicate C-H alkane stretches. The band at 3028 indicates C-H aromatic stretch; aromatics…

View On WordPress

ETHYL PROPIONATE NMR, carbonyl is dad and oxygen mom, a methyl gets more attention

ETHYL PROPIONATE NMR, carbonyl is dad and oxygen mom, a methyl gets more attention

Dedicated to all moms

C=O group is dad

O atom is mom

 

Carbonyl is dad and oxygen mom hence c labelled methyl has higher chemical shift  and gets a little more attention

SEE BELOW

NMR IS EASY

A chemical has Formula: C5H10O2

C5H10O2
Rule 2, omit O, gives C5H10
5 – 10/2 + 1 = 1 degree of unsaturation.
Look for 1 pi bond or aliphatic ring.

IR

IR spectrum

 

The band at 1740 indicates a carbonyl,…

View On WordPress

A set of reaction conditions for an asymmetric Michael addition that isn’t hard to PEG

A set of reaction conditions for an asymmetric Michael addition that isn’t hard to PEG

Originally posted on Developing the Process:

If I can get away with a pun or a witty title for a tweet, I will try to do it.  I have been posting a lot of older material from my former website, PHARMNBIOFUEL.COM due to the fact that I have been keeping myself busy on other projects, plus I ran out of articles to talk about.  I usually take the bus into the city, take a few hours peruse some of…

View On WordPress

To Tumblr, Love Pixel Union