Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus acids or salts thereof
Patent
1989-06-09
1990-05-01
Evans, J. E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus acids or salts thereof
C07F 938
Patent
active
049220071
ABSTRACT:
A process for the preparation of 4-amino-1-hydroxybutylidene-1, 1-bisphosphonic acid or salts thereof which comprises:
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Jobson Ronald B.
Kieczykowski Gerard R.
Melillo David G.
Caruso Charles M.
Evans J. E.
Merck & Co. , Inc.
Pfeiffer Hesna J.
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