A. Wollebgygi et al., THE IMPORTANCE OF PERIPHERAL ASSOCIATION FOR VITAMIN-B12 CATALYZED METHYLMALONYL-SUCCINYL-REARRANGEMENT, Journal of the Chemical Society, Chemical Communications, (7), 1994, pp. 835-836
The rearrangement of methylmalonyl to succinyl radicals becomes an eff
icient process, when the reaction is performed in a protic solvent wit
h both the vitamin B-12-derived catalyst and the substrate carrying a
C-18 instead of a C2 alkyl chain.