1: 3-Methylbenzonitrile With ammonia; lithium; tert-butyl alcohol in tetrahydrofuran T=-35°C; 2: 2-methyl-1-bromopropane in tetrahydrofuran; ammonia cooling; Further stages. Title compound not separated from byproducts.;

hydrogen iodide

1: (i) Mg, Et2O, (ii) /BRN= 605330/ 2: P, HI View Scheme

sodium tetrahydroborate in dimethyl sulfoxide