R. M. LETCHER

Chemical constituents of the Combretaceae. Part II. Substituted phenanthrenes and 9,10-dihydrophenanthrenes and a substituted bibenzyl from the heartwood of Combretum molle

R. M. LETCHER, L. R. M. Nhamo, I. T. Gumiro · Journal of the Chemical Society Perkin Transactions 1 · 1972 · 82 citations

Combinatorial Chemistry, New Compounds, Bioorganic Chemistry +16

Identification and activity of wyerone acid as a phytoalexin in broad bean (vicia faba) after infection by botrytis

R. M. LETCHER, David A. Widdowson, B.J. Deverall et al. · Phytochemistry · 1970 · 77 citations

Phytoalexin, Wyerone Acid, Plant Pathology +4

Chemical constituents of the combretaceae. Part III. Substituted phenanthrenes, 9,10-dihydrophenanthrenes, and bibenzyls from the heartwood of Combretum psidioides

R. M. LETCHER, L. R. M. Nhamo · Journal of the Chemical Society Perkin Transactions 1 · 1972 · 65 citations

Chemical Constituents, New Compounds, Derivatives +15

A Concise Total Synthesis of Triptolide

Dan Yang, Xiang‐Yang Ye, Ming Xu et al. · The Journal of Organic Chemistry · 1998 · 38 citations

Chemical Engineering, Chemical Measurement, Engineering +9

Phenol oxidation and biosynthesis. Part XXII. The alkaloids of Erythrina lysistemon, E. abyssinica, E. poeppigiana, E. fusca, and E. Lithosperma; the structure of erythratidine

D. H. R. BARTON, Abeysinghe Arachchige Leslie Gunatilaka, R. M. LETCHER et al. · Journal of the Chemical Society Perkin Transactions 1 · 1973 · 38 citations

New Alkaloids, Biosynthesis, Biochemistry +14