The gem-dimethyl effect in reactions through tetrahedral intermediates: cyclizations of some ethyl 2,3-disubstituted-5-(p-nitrophenyl) hydantoates - Koedjikov, Asen H.; Ivanov, Petko M.; Pojarlieff, Ivan G. (ARKIVOC, 2001)
doi: 10.3998/ark.5550190.0002.c06