Ch. 13 NMR values Flashcards
chemical shifts of alkane Hs fall within a range of … to …
0.8; 1.7
chemical shifts of vinylic Hs fall in the range of … to …
4.6; 5.7
chemical shifts for hydroxyl H often is btwn … and … but can be as far upfield as …
3.0; 4.0; 0.5
H on the C bonded to ether oxygen have a shift around … to …
3.3; 4.0
aldehyde H in range between … and …
9.5; 10.1
signals for H on alpha C to carboxyl group in acids and esters is in range of … to …
h of an actual carboxyl group gives signal in range of … to …
2.0; 2.6; 10; 13
chemical shifts of amine H vary btwn … and …
H alpha to the nitrogen appear around …
0.5; 5.0; 2.5
aryl h shift between .. to …
6.5; 8.5
(C13-NMR) alkane C between … to …
10; 60
(C13-NMR) sp2 hybridized C of alkenes in range … to …
100; 150
(C13-NMR) carbonyl C of aldehydes/ketones between … and …
180; 215
(C13-NMR) carboxyl C in acid and esters in … and …
165; 185
(C13-NMR) C bonded to N approximately .. ppm higher than in alkanes of comparable structure, but about 20 ppm below C attached to O in ethers/alcohols
20
