Additional phenyl analogues of the naphthyl ring. Reagents and conditions: (a) 3-aminophenol, malononitrile, piperidine, EtOH, reflux; (b) t-butyl nitrite, CuBr2, MeCN, 0 °C; (c) NH3, iPrOH, 150 °C; (d) CH(OEt)3, 155 °C; (e) 2-Morpholinoethylamine, DBU, THF, 75 °C; (f) PdCl2, Et3SiH, DCM.