In hindsight, these two guys should perhaps have considered submitting their manuscripts to journals with a… ahem… slightly higher impact factior. Then again, how could they possibly have predicted that they would end up Name Reactions?
S. O. Lawesson et al.; Bulletin des Sociétés Chimiques Belges 1978, 87, 223-228. (No DOI available, not available online.)
Contrary to common belief, the primary literature is not 100% stiff. The correct figure is acutally much closer to 99.9%. There are true gems out there, if you just look hard enough. The following is one of my favorites, from JACS 1961, 83, 4729-31. (Available here.)
What are your’s?
As undergraduate students, one of the first things they teach us is that Friedel-Crafts alkylations can be performed in the presence of catalytic amounts of AlCl3, while Friedel-Crafts acylations, on the other hand, always require stochiometric amounts of AlCl3 (presumably because of complexation between the Lewis acid and the carbonyl oxygen of the product).