Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The Claisen rearrangement of allyl vinyl ethers is catalyzed by PdCl 2 (CH 3 CN) 2 , provided that alkyl substituents protect the vinyl ether double bond from coordination by the metal catalyst. ... The Claisen rearrangement of allyl vinyl ethers is catalyzed by Pd(II), provided ...