DR ANTHONY MELVIN CRASTO,WorldDrugTracker, helping millions, A 90 % paralysed man in action for you, I am suffering from transverse mylitis and bound to a wheel chair, With death on the horizon, nothing will not stop me except God................DR ANTHONY MELVIN CRASTO Ph.D ( ICT, Mumbai) , INDIA 25Yrs Exp. in the feld of Organic Chemistry,Working for GLENMARK GENERICS at Navi Mumbai, INDIA. Serving chemists around the world. Helping them with websites on Chemistry.Million hits on google, world acclamation from industry, academia, drug authorities for websites, blogs and educational contribution
Showing posts with label pentanoic acid.. Show all posts
Showing posts with label pentanoic acid.. Show all posts

Saturday 4 November 2017

Learn spectroscopy, Valeric acid or pentanoic acid. PROBLEM 1

.Image result for MOTHER TO TEACH NMR



HE IS EXCITED TOO



Product Name: Valeric acid


CAS:109-52-4




valeric acid

pentansäure

acide pentanoic

ペンタン酸

109-52-4 CAS

C5H10O2














Valeric acid, or pentanoic acid.


This 13C spectrum exhibits resonances at the following chemical shifts, and with the multiplicities indicated:


Shift (ppm)
Mult.
180.8
S
33.8
T
26.8
T
22.4
T
3.58
Q


(C5H10O2)



A= 13.4

B=22.4

C=26.8

D=33.8

E=180.6














1H NMR BELOW


t=0.78

m=1.22

m=1.46

t=2.2

s=11.8

















NMR IS EASY

EVEN MOM CAN TEACH YOU







2D [1H,1H]-TOCSY

Concentration: 100 mM

temperature: 298 K

pH: 7.4









1D DEPT90

Concentration: 100 mM

temperature: 298 K

pH: 7.4















1D DEPT135

Concentration: 100 mM

temperature: 298 K

pH: 7.4







2D [1H,13C]-HSQC

Concentration: 100 mM

temperature: 298 K

pH: 7.4










2D [1H,13C]-HMBC

Concentration: 100 mM

temperature: 298 K

pH: 7.4

///////////