The Pd-mediated π-allyl cyclisation of bis-Cbz- and bis-Boc-protected guanidines 4 and 14b led to the formation of five- and six-membered heterocycles 5 and 17 in high yields.
|Early online date||27 Sept 2013|
|Publication status||Published - 04 Dec 2013|
- palladium allylation
- intramolecular cyclisation