Process for synthesizing the di-esters of condensed phosphoric acid
Abstract
Abstract DIE-ESTERS OF CONDENSED PHOSPHORIC ACID HAVING THE GENERAL FORMULA R-O-P(=O)(-OH)-O-(P(=O)(-OH)-O)(M+N)-P(=O)(-OH)-O-R" WHEREIN BOTH R AND R" REPRESENT: ORGANIC RADICALS SUCH AS ALKYL, CYCLOALKYL OR ARYL; SUGAR RESIDUES SUCH AS IMIDAZOLE TYPE-, FLAVIN TYPE-, PYRIDINE TYPE-, PYRIMIDINE TYPEOR PURINE TYPE- NUCLEOSIDES, OR MONO- OR OLIGOSACCHARIDES; AMINO ACID RESIDUES; VITAMIN RESIDUES; STEROID RESIDUES AND THE LIKE; AND WHEREIN M AND N REPRESENT INTEGERS SUCH AS 0,1,2,3 AND THE LIKE, ARE PRODUCED BY REACTING A MONO-ESTER OF MONO- OR OLIGO-PHOSPHORAMIDATE OR A SALT THEREOF OR A DI-ESTER OF MONO OR OLIGO-PHOSPHORIC ACID OR A SALT THEREOF WITH A MONO-ESTER OF MONOOR OLIGO-PHOSPHORIC ACID OR A SALT THEREOF IN THE PRESENCE OF A SOLVENT COMPRISING A TRI-ESTER OR TRI-ESTERS OF PHOSPHORIC ACID.
Inventors
- 👤 Y Fujimoto
Bibliographic Details
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