... Tetrahedron, 37 (1981), p. 4087. ... Though coupling constants ( Article. | PDF (226 K). | View Record in Scopus. | Citing articles (12). Article. | PDF (191 K). | View Record in Scopus. | Citing articles (60). AB characteristic for aldols from t-alkyl aldehydes (eg i), 5 the 13 C NMR, particularly δ Me more reliable: δ Me (anti) 12–18 ppm; δ Me (syn) 9–13 ppm (ref 7). 7; CH Heathcock, MC Pirrung, JE Sohn; J. Org. Chem., 44 (1979), p. 4294. ... 8; P. Brownbridge, S. Warren; ...