References
- Szpala , A. , Tebby , J. C. and Griffiths , D. V. in press . J. Chem. Soc., Perkin I ,
- Winkler , T. and Bencze , W. L. 1980 . Helv. Chim. Acta. , 63 : 402
- Chemical shifts are quoted w.r.t. 85% phosphoric acid. Positive shifts are downfield
- Ishmaeva , E. A. , Zimin , M. G. , Galeeva , R. M. and Pudovik , A. N. 1971 . Bull. Acad. Sci. (USSR) , 20 : 473
- Chiusoli , G. P. , Cometti , G. and Bellotti , V. 1977 . J. Chem. Soc. Chem. Comm. , : 216