10-methyl-9,10-dihydroacridine in chloroform-d1 T=-20°C; 18 h; Title compound not separated from byproducts;

1,4-dihydropyridine-1-phenyl-3-carboxamide in chloroform-d1 T=-20°C; 18 h; electron vs. hydride ion transfer; other 1,4-dihydronicotinamides, presence of m-dinitrobenzene; Product distributionMechanism;