Novel Monoaromatic triterpenoid hydrocarbons occuring in sediments

Poly cyclic aromatic hydrocarbons in Recent lake sediments—II. Compounds derived from biogenic precursors during early diagenesis

Stuart G. Wakeham, Christian Schaffner, Walter Giger · Geochimica et Cosmochimica Acta · 1980 · 675 citations

Natural Sciences, Earth Sciences, Geology +16

N,N,N',N'-Tetramethylphosphorodiamidate group. Useful function for the protection or reductive deoxygenation of alcohols and ketones

Robert E. Ireland, David C. Muchmore, Urs Hengartner · Journal of the American Chemical Society · 1972 · 133 citations

Natural Sciences, Chemistry, Analytical Chemistry +5

Triterpenoids

Manik C. Das, Shashi B. Mahato · Phytochemistry · 1983 · 81 citations

Polycyclic aromatic hydrocarbons in Australian coals—III. Structural elucidation by proton nuclear magnetic resonance spectroscopy

Alan L. Chaffee, Christopher J. R. Fookes · Organic Geochemistry · 1988 · 79 citations

Natural Sciences, Chemistry, Mining Engineering +14

Acid-catalyzed Robinson Annelations

Clayton H. Heathcock, John E. Ellis, John E. McMurry et al. · Tetrahedron Letters · 1971 · 62 citations