... Chemical shifts are given in ppm ... the corresponding rare earth metal oxide (Soekawa Chemicals Co., Ltd.) and trifluoromethanesulfonic acid (Kanto Chemicals Co., Ltd ... References and Notes 1) a) Smith MB, March J., “Advanced Organic Chemistry,” 5th edition, Wiley-Interscience ...
[Bhaskar; Solomon; Babu; Muralidharan; Perumal, Paramasivan T. Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2010 , vol. 49, # 6 p. 795 - 801]