http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0161503-A1

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assignee http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5c24684033fba97d1ad845ce453a57e3
classificationCPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-5449
classificationIPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-54
filingDate 1985-04-13-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b61c790cfb86f3de8dbc73a3d7e0d095
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f4ab6477684f3663ec3782d50a58518c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a592b48e705540fcb81db078364de73d
publicationDate 1985-11-21-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber EP-0161503-A1
titleOfInvention Bis-phosphonium salts and process for their preparation
abstract R 1 ein geradkettiges oder verzweigtes Alkylradikal mit 1 bis 12 C-Atomen, R 2 Methyl, Ethyl, n-Propyl oder i-Propyl und X e ein einwertiges, ggf. komplexes, Anion, oder 2 X e ein zweiwertiges anorganisches Anion bedeuten. Beim Verfahren zur Herstellung von Bis-Phosphoniumsalzen der genannten Formel, worin R 1 ein geradkettiges oder verzweigtes Alkylradikal mit 1-12 C-Atomen, Cycloalkyl mit 5-8 C-Atomen oder ein substituiertes oder unsubstituiertes Phenyl, R 2 ein Wasserstoffradikal, Methyl, Ethyl, n-Propyl oder i-Propyl und X 9 ein einwertiges, ggf. komplexes, Anion, oder 2 X e ein zweiwertiges anorganisches Anion bedeuten, wobei jedoch R 1 kein Cycloalkyl oder Phenyl ist, wenn R 2 kein Wasserstoffradikal ist, setzt man ein Triorganylphosphoniumalkylid der allgemeinen Formeln mit wasserfreiem Cu(II)-halogenid in einem Lösemittel bei Temperaturen von -78°C bis 0°C unter Rühren um, trennt das ausfallende Bis-Phosphonium-dihalogencuprat (I) ab und überführt es ggf. durch doppelte Umsetzung in ein anderes Bisphosphoniumsalz. The invention relates to bis-phosphonium salts of the general formula wherein R 1 is a straight-chain or branched alkyl radical 1 to 12 carbon atoms, R 2 methyl, ethyl, n-propyl or i-propyl and X e is a monovalent, possibly complex, anion, or 2 X e mean a divalent inorganic anion. In the process for the preparation of bis-phosphonium salts of the above formula, wherein R 1 is a straight-chain or branched alkyl radical with 1-12 C atoms, cycloalkyl with 5-8 C atoms or a substituted or unsubstituted phenyl, R 2 is a hydrogen radical, methyl, ethyl, n-propyl or i-propyl and X 9 is a monovalent, optionally complex, anion, or 2 X e is a divalent inorganic anion, but R 1 is not a cycloalkyl or phenyl, if R 2 is not a hydrogen radical, a triorganylphosphonium alkylide of the general formula is used with anhydrous Cu (II) halide in a solvent at temperatures from -78 ° C to 0 ° C with stirring, separates the precipitated bis-phosphonium dihalo cuprate (I) and, if necessary, converts it to another bisphosphonium salt by double reaction .
priorityDate 1984-04-21-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

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