| 1. | Methods 3 , 3 - bis ( dibenzyloxyphosphoiyl ) propionic acid ( 5 ) and ( 6 ) were synthesized from tetraethyl methylene bisphosphonate via hydrolysis , chlorination of the acid , esterification , condensation , then 3 , 3 - bis ( dibenzyloxyphosphoryl ) propanol ( 6 ) was obtained via selective reduction of ( 5 )
方法以亚甲基偕二膦酸四乙酯( 1 ) ?原料经水解、氯膦酰化、酯化、缩合得3 , 3二（二苄氧膦酰基）丙酸( 5 ) ，随后选择性硼氢化还原得3 , 3二（二苄氧膦酰基）丙醇( 6 ) 。 |
