Conformations and rotation of iso-propyl groups attached to the same saturated carbon centre. A dynamic N.M.R. and molecular mechanics study of 1,1,1-tris-iso-propylethane, di-iso-propyl-tert-butylmethane, and 1,1-di-iso-propyl-tert-butylethaneengANDERSON, J. E; BETTELS, B. R.Tetrahedron (Oxford. Print). 1990, Vol 46, Num 15, pp 5353-5364, issn 0040-4020, 12 p.Article

Synthesis of 13,14-dialkylpicenes and hindered of th ealkyl groups as studied by dynamic NMR spectroscopy and molecular mechanics calculationsANDERSON, J. E; BETTELS, B. R.Perkin transactions. 2. 1990, Num 7, pp 1121-1124, issn 0300-9580, 4 p.Article

Rotation of geminal isopropyl groups. Dynamic N.M.R. of dimethyl-diisopropyl cyclopropaneANDERSON, J. E; BETTELS, B. R.Tetrahedron letters. 1986, Vol 27, Num 33, pp 3909-3910, issn 0040-4039Article

Two-fold rotational barriers in 1,1,2,2-tetrasubstituted ethanes: a dynamic NMR and molecular mechanics study of some highly-branched saturated hydrocarbonsANDERSON, J. E; BETTELS, B. R; HOFFMANN, H. M. R et al.Tetrahedron (Oxford. Print). 1988, Vol 44, Num 12, pp 3701-3714, issn 0040-4020Article