The reaction of (hydroxymethyl)diphenylphosphine with 7-amino-1,3,5-triazaa
damantane, followed by ready oxidation of the initially formed aminomethylp
hosphine gave diphenyl[(1,3,5-triazaadamantan-7-yl)aminomethyl]phosphine ox
ide. The reactions of bis(hydroxymethyl)phenylphosphine with 2 mol of 7-ami
no-1,3,5-triazaadamantane in the absence and in the presence of Paraform pr
ovided bis[(1,3,5-triazaadamantan-7-yl)aminomethyl]phenylphosphine and 1,3-
bis(1,3,5-triazaadamantan-7-yl)-5-phenyl-1,3,5-diazaphosphorinane, respecti
vely.