Quaternary ammonium salts were used as ethylene source for the direct ethylation of benzylic amines. Simple Hofmann elimination delivers the olefin in situ avoiding the need for gaseous reagents and autoclave technology. The alkylation takes place under rhodium catalysis, requiring inert atmosphere, with exclusive selectivity for the C(sp3)-H bond.
Damage control: How repairability could help address the e-waste crisis
I was the youngest of the family so was brought up to at least attempt a repair before disposal, particularly with regards my bicycle. Several years...