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DIPAMP is een complexvormend difosfine. De … DIPAMP is een complexvormend difosfine. De afkorting is afgeleid van de Engelse naam: DImer of PhenylAnisylMethylPhosphine. De stof bestaat in een (R,R)- en een (S,S)-chirale vorm, daarnaast is een niet-chirale of meso-vorm bekend. DIPAMP complexeert aan metalen via de fosforatomen. Een van de toepassingen is in de synthese van L-DOPA. De chiraliteit van de verbinding is terug te voeren op het feit dat fosfor, in tegenstelling tot stikstof, niet in staat is om piramidale inversie te ondergaan. In de amines, waar dat wel mogelijk is, treedt daarom geen R-S-isomerie op, in de fosfines wel. geen R-S-isomerie op, in de fosfines wel.
, DIPAMP ist eine chemische Verbindung aus der Gruppe der Phosphane, die als chiraler zweizähniger Chelatligand verwendet wird.
, DIPAMP is an organophosphorus compound tha … DIPAMP is an organophosphorus compound that is used as a ligand in homogeneous catalysis. It is a white solid that dissolves in organic solvents. Work on this compound by W. S. Knowles was recognized with the Nobel Prize in Chemistry. DIPAMP was the basis for of the first industrial scale asymmetric hydrogenation, the synthesis of the drug L-DOPA. DIPAMP is a C2-symmetric diphosphine. Each phosphorus centre, which is pyramidal, bears three different substituents - anisyl, phenyl, and the ethylene group. The ligand therefore exists as the enantiomeric (R,R) and (S,S) pair, as well as the achiral meso isomer. DIPAMP was originally prepared by an oxidative coupling, starting from anisyl(phenyl)(methyl)phosphine.ting from anisyl(phenyl)(methyl)phosphine.
, DIPAMP è il nome comune di una fosfina chirale usata come legante chelato in chimica metallorganica.
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(Ethane-1,2-diyl)bis[(2-methoxyphenyl)(phenyl)phosphane]
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| rdfs:comment |
DIPAMP è il nome comune di una fosfina chirale usata come legante chelato in chimica metallorganica.
, DIPAMP ist eine chemische Verbindung aus der Gruppe der Phosphane, die als chiraler zweizähniger Chelatligand verwendet wird.
, DIPAMP is an organophosphorus compound tha … DIPAMP is an organophosphorus compound that is used as a ligand in homogeneous catalysis. It is a white solid that dissolves in organic solvents. Work on this compound by W. S. Knowles was recognized with the Nobel Prize in Chemistry. DIPAMP was the basis for of the first industrial scale asymmetric hydrogenation, the synthesis of the drug L-DOPA. DIPAMP was originally prepared by an oxidative coupling, starting from anisyl(phenyl)(methyl)phosphine.ting from anisyl(phenyl)(methyl)phosphine.
, DIPAMP is een complexvormend difosfine. De … DIPAMP is een complexvormend difosfine. De afkorting is afgeleid van de Engelse naam: DImer of PhenylAnisylMethylPhosphine. De stof bestaat in een (R,R)- en een (S,S)-chirale vorm, daarnaast is een niet-chirale of meso-vorm bekend. DIPAMP complexeert aan metalen via de fosforatomen. Een van de toepassingen is in de synthese van L-DOPA. De chiraliteit van de verbinding is terug te voeren op het feit dat fosfor, in tegenstelling tot stikstof, niet in staat is om piramidale inversie te ondergaan. In de amines, waar dat wel mogelijk is, treedt daarom geen R-S-isomerie op, in de fosfines wel. geen R-S-isomerie op, in de fosfines wel.
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| rdfs:label |
DIPAMP
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