i like this post (click again to cancel)
0
i dont like this post (click again to cancel) remove favorite mark from this question (click again to restore mark)

hello...i know only the basics on nmr and need some help :i need H-NMR help with phenylethylamine Phe-CH2-CH2-NH-R - how do you assign the peaks? is the middle CH2 multiplet? why?very confused..

asked Mar 31 '15 at 09:36

ann%20choroshun's gravatar image

ann choroshun
1


2 Answers:
i like this answer (click again to cancel)
0
i dont like this answer (click again to cancel)

Usage of google searching engine could be really helpful:

http://pic11.molbase.net/nmr/nmr<em>image/2014-07-18/000/003/786/64-04-0-1h.png http://pic11.molbase.net/nmr/nmrimage/2014-07-18/000/003/786/64-04-0-1h.png

link

answered Apr 07 '15 at 15:12

Arkadiusz%20Leniak's gravatar image

Arkadiusz Leniak
238

i like this answer (click again to cancel)
0
i dont like this answer (click again to cancel)

The reason that the two CH2 are triplets is due to coupling with each other. These protons have different chemical shifts, they are not equal.

link

answered Apr 09 '15 at 07:59

Jim%20Lin's gravatar image

Jim Lin
1

Your answer
Please start posting your answer anonymously - your answer will be saved within the current session and published after you log in or create a new account. Please try to give a good answer, for discussions, please use comments and please do remember to vote (login to vote)
toggle preview

Tags:

×1

Asked: Mar 31 '15 at 09:36

Seen: 2,111 times

Last updated: Apr 09 '15 at 07:59

Related questions

powered by CNPROG