IMG_0001_NEW_0060

IMG_0001_NEW_0060 - R-C.H 9.0 - r0. Ol" 3.0 -...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
APPROXIMATE CHEMICAL SHIFT RANGES (PPM) FOR SELECTED PROTONS A Approximate Range (PPM) Approximate Range (PPM) R-CH3 0.7 - 1.3 I R-N.C.H ll 2.2 - 2.9 R-CHz-R 1.2 - 1.4 I R-S.C.H I 2.0 - 3.0 R3CH 1.4 - 1.7 'l t-c-H I 2.0 - 4.0 n-E=t-E-u I t.6 - 2.6 I Br-C-H I 2.7 - 4.1 oo ltr ltt R-C-C-H, H-C-C-H I 2.1 -2.4 I cl-c-H I 3.1 - 4.r OO pl lll RO-C-C-H, HO-C.C.H I I 2.t -2.5 o Il R-S.O.C-H gl ca.3.0 I N=C-C-H I 2.1 - 3.0 I RO-C-H, HO-C-r{ I I 3.2 -3.8 o+ " 2.3 -2.7 o ttt R-C-O-C-H i 3.5 - 4.8 R-C=C-H L7 -2.1 I olN-c-H I 4.t - 4.3 R-S-H 1.0 - 4.0b I F.C.H I 4.2 - 4.8 R-N.H I 0.5 - 4.0b ll R-C=C-H 4.5 -6.s R.O-H 0.5 - s.0b o." 6.5 - 8.0 o-H 4.0 - 7.0b o il
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: R-C.H 9.0 - r0. Ol" 3.0 - 5.0b o T R.C.OH I 1.0 - 12.0 1l R-C-N-H I 2.1 -2.5h a For hydrogens shown n, -f-r, if the hydrogen is of a methyl group rhe shift is generally at the low end of the range, if H is in a methyleni: group it is in the intermediate range, and for a methine group the shift is typically at the high end of the range b the chemical shift of these groups is variable, depending not onty on the chemical environment, but also on concentration, temDeralure and solvent...
View Full Document

This note was uploaded on 12/27/2011 for the course CHEM 282 taught by Professor Nabylmerbouh during the Fall '10 term at Simon Fraser.

Ask a homework question - tutors are online