Process for preparing 4-amino-1-hydroxybutylidene-1,1-bisphospho

Details Process for preparing 4-amino-1-hydroxybutylidene-1,1-bisphospho Process for preparing 4-amino-1-hydroxybutylidene-1,1-bisphospho

1990-06-20

1991-05-28

Evans, J. E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus acids or salts thereof

C07F 938

Patent

active

050196510

ABSTRACT:
An improved process is described for the preparation of 4-amino-1-hydroxybutylidene-1,1-bisophosphonic acid (ABP) or salts thereof which comprises:

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