Abstract: | The Correlation of Tolman's Cone Angles with 1J of Phosphonium Fluorosulfonates A 1H-n.m.r. study of three series of phosphonium salts [HPR3?nHn]X, and [HPPh2R1?nHn]X and (R = aliphatic substituent and H, X = SO3 F) gives a good relationship between increasing values of 1J versus decreasing size of substituted phosphines. A method to obtain Tolman's cone angle is described. |