Structural Determination (Spectrometry and specstroscopy) Flashcards
1
Q
how to determine number of double bonds/ rings
A
unsaturation factor formula;
U = [ 2C + 2 + N-H - X]/2
2
Q
first step
A
analyze chem formula
3
Q
how to look for functional groups
A
IR spectra
4
Q
how to look for hybridization (double/triple bonds)
A
13 C- NMR
5
Q
how to determine structure
A
H -NMR; number of proton environments
Mass Spec; R groups and how they can fragment