Problem Set
1. On the next twopages are the MS, IR, 1H NMR, 13C NMR, COSY NMR, and HETCOR NMR spectra of compoundX. The molecular formula of X is: C6H10O2
a) Propose a structure for compound X.
b) Completely assign the 1H NMR and 13C NMR spectra for your proposed compound X.
![2071_img.png](https://secure.tutorsglobe.com/CMSImages/2071_img.png)
![196_img1.jpg](https://secure.tutorsglobe.com/CMSImages/196_img1.jpg)
2. On thenext several pages are the 1H, 13C, COSY, DEPT, HMQC, and HMBC spectra of compound Y. The structure of Y is shown below.
Completely assign the chemical shifts on the 1H NMR and 13C NMR spectra of this compound using the numbering system shown below.
![304_img2.jpg](https://secure.tutorsglobe.com/CMSImages/304_img2.jpg)
1H NMR
![643_img3.jpg](https://secure.tutorsglobe.com/CMSImages/643_img3.jpg)
13C NMR
![1013_img4.jpg](https://secure.tutorsglobe.com/CMSImages/1013_img4.jpg)
DEPT
![353_img5.jpg](https://secure.tutorsglobe.com/CMSImages/353_img5.jpg)
COSY
![1983_img6.jpg](https://secure.tutorsglobe.com/CMSImages/1983_img6.jpg)
HMQC
![88_img7.jpg](https://secure.tutorsglobe.com/CMSImages/88_img7.jpg)
Attachment:- problem set 3.pdf