Physical Methods for the Study of Organotin Derivatives

Physical Methods for the Study of Organotin Derivatives 1. Tin-119 NMR Spectroscopy 

The most convenient technique available to study organotin compounds in solution is 119Sn-NMR spectroscopy 22-25 The 119Sn nucleus has a spin of V2 and a natural abundance of 8.7% it is about 25.5 times more sensitive than 

Chemical shifts for tin atoms in typical carbohydrate-derived organotin compounds are listed in Tables I and II. In general, the signals of U9Sn 

Typical n9Sn NMR Chemical Shifts of Tributyltin Ethers  

Tin-carbon coupling constants can be useful in making assigments for tributyltin ethers. Values for 2/c,sn lie between 22 and 32 Hz if the carbons are secondary,35 36 but are larger for primary carbons (46 Hz for one example35). The 3/c,sn values are of similar magnitude, ranging35,36 from 10 

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