George M. Strunz, Richard Bethell, Michael T. Dumas, Nick Boyonoski Canadian Journal of Chemistry | 1997 | 10.1139/v97-090
Sterpurene, a sesquiterpene hydrocarbon metabolite of Chondrostereumpurpureum, a plant pathogen and potential mycoherbicide, was synthesized by a six-step sequence, in 33% overall yield. The key steps were a thermal [4 + 2] (Diels–Alder) cycloaddition...
Subramaniam Arumugam, Dale McLeod, John G. Verkade The Journal of Organic Chemistry | 1998 | 10.1021/jo972350i
The symmetric active-methylene compounds CH 2 (CO 2 Et) 2 and CH 2 [C(O)Me] 2 are selectively monoalkylated in the presence of 1.1 equiv of a variety of alkyl halides and 1 equiv of the nonionic superbase P(MeNCH 2 CH 2 ) 3 N in 85−98% yields in 30 min at...
