Table 1.

Chemical structures, names, formulas and molecular weights of the new esters of phosphonous acid-borane (1), α-hydroxyphosphonite-boranes (2 and 3), and α-amino phosphonite-boranes (4, 5, 6 and 7).

Compound		Chemical Name	Chemical Formula	Molecular Weight
1		benzylphosphonous acid-borane diisopropyl ester	C13H24BO2P	254.11
2		1-hydroxy-1-methylethylphosphonous acid-borane diisopropyl ester	C9H24BO3P	222.07
3		1-hydroxy-1-methylethylphosphonous acid-borane isopropyl ester N,N-diethylamide	C10H27BNO2P	235.11
4		[1-(N-p-bromophenylamino)]-1-(p-nitrophenyl)methylphosphonousacid-borane diisopropyl ester	C19H27BBrN2O4P	469.12
5		[1-N-p-hydroxyphenylamino)]-1-phenylmethylphosphonous acid-borane diisopropyl ester	C19H29BNO3P	361.22
6		[1-(N-p-tolylamino)]-1-phenylmethylphosphonous acid-borane diisopropyl ester	C20H31BNO2P	359.25
7		[1-(N-p-bromophenylamino)]-1-(p-anisyl)methylphosphonous acid-borane diisopropyl ester	C20H30BBrNO3P	454.15