L
Leopold
Guest
Why are acetylenic protons shielded?
The shieldings of the acetylenic protons are observed to be dependent upon the nature and position of the ring substituent and a correlation between the shielding parameters and substituent constants is noted.
The shieldings of the acetylenic protons are observed to be dependent upon the nature and position of the ring substituent and a correlation between the shielding parameters and substituent constants is noted.