Cyclische Diphosphorsäureester und Verfahren zu ihrer Herstellung

Cyclic diphosphate esters of formula (I) are new; in which R = methylethylene, 1,3- or 1,4-cyclohexylene or 1,3-phenylene. (I) are prepd. by (1) reacting diols of the formula HO-R-OH with POCl3; and (2) reacting the resultant diphosphoryl tetrachloride of the formula Cl2P(=O)-O-R-O-P(=O)Cl2 with 2,2...

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Bibliographic Details
Main Author STAENDEKE, HORST. DR., 53797 LOHMAR, DE
Format Patent
LanguageGerman
Published 23.01.1997
Edition6
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR PREPARATION OR CHEMICAL WORKING-UP
THEIR RELEVANT APPARATUS
TRANSPORTING
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:Cyclic diphosphate esters of formula (I) are new; in which R = methylethylene, 1,3- or 1,4-cyclohexylene or 1,3-phenylene. (I) are prepd. by (1) reacting diols of the formula HO-R-OH with POCl3; and (2) reacting the resultant diphosphoryl tetrachloride of the formula Cl2P(=O)-O-R-O-P(=O)Cl2 with 2,2-dimethyl-1,3-propandiol (II) for 2-12 hrs. at 20-150 degrees C in the presence of a catalyst. The reactions pref. are carried out in inert solvent and in the presence of stoichiometric amts. of suitable tert. amines as HCl acceptor. Stage (1) is also carried out in the presence of a catalyst. (Claimed)
Bibliography:Application Number: DE19951025950