摘要:
The invention relates to a method for producing mono-carboxyfunctionalized dialkylphosphinic acids and esters and salts thereof by means of vinyl compounds, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the thus obtained alkylphosphonic acid, salt or ester (II) thereof is reacted with acetylenic compounds of formula (V) to yield a mono-functionalized dialkylphosphinic acid derivative (VI) in the presence of a catalyst B, and c) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VI) is reacted with carbon monoxide to yield a mono-carboxyfunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst C, wherein R1, R2, R3, R4, R5, R6 are the same or different and stand independently of each other, among other things, for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, and X and Y are the same or different and stand independently of each other for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonized nitrogen base, and the catalysts A, B, C and D are formed by transition metals and/or transition metal compounds and/or catalyst systems composed of a transition metal and/or a transition metal compound and at least one ligand.
摘要:
The invention relates to a method for producing mono-vinylfunctionalized dialkylphosphinic acids, esters, and salts, characterized in that a) a phosphinic acid source (I) is converted with olefins (IV) to an alkylphosphonic acid, salt, or ester (II) in the presence of a catalyst A, b) the alkylphosphonic acid, salt, or ester (II) thus created is converted with acetylenic compounds of formula (V) into a mono-vinylfunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst B, where R1, R2, R3, R4, R5, R6 are the same or different and are, independent of each other, among other things, H, C1-C-18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, and X stands for H, C1-C-18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, Mg, Ca, AI, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonized nitrogen base, and the catalysts A and B are transition metals and/or transition metal compounds and/or catalyst systems comprised of a transition metal and/or a transition metal compound and at least one ligand.
摘要:
The present invention relates to a process for producing P-chiral cyclic phosphines, to a process for producing P-prochiral phosphine derivatives, to a process for preparing the (E,E) geometric isomers of P-chiral phosphine derivatives, to the P-prochiral phosphine derivatives, to the P-chiral cyclic phosphine derivatives, to hydroxyalkylphenylphosphine derivatives, to catalysts comprising the P-chiral cyclic phosphine derivatives or the hydroxyalkylphenylphosphine derivatives, to catalysts comprising a metal and a ligand where the ligand is, is derivable from or is obtainable from the P-chiral cyclic phosphine derivatives or the hydroxyalkylphenylphosphine derivatives, to the use as a catalyst of the P-chiral cyclic phosphine derivatives or the hydroxyalkylphenylphosphine derivatives, to the use as a catalyst of a compound comprising a metal and a ligand where the ligand is, is derivable from or is obtainable from the P-chiral cyclic phosphine derivatives or the hydroxyalkylphenylphosphine derivatives, and to a process for synthesising an organic compound whereby the synthesis includes and enantioselective reaction catalysed by the above catalyst.
摘要:
Provided is a process for producing a P-chiral phosphine compound using a cross-metathesis coupling reaction between a non-chiral phosphine and an olefin or an alkyne. The P-chiral phosphine compounds produced by this process are also disclosed.
摘要:
The invention relates to a method for producing mono-vinylfunctionalized dialkylphosphinic acids, esters, and salts, characterized in that a) a phosphinic acid source (I) is converted with olefins (IV) to an alkylphosphonic acid, salt, or ester (II) in the presence of a catalyst A, b) the alkylphosphonic acid, salt, or ester (II) thus created is converted with acetylenic compounds of formula (V) into a mono-vinylfunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst B, where R1, R2, R3, R4, R5, R6 are the same or different and are, independent of each other, among other things, H, C1-C-18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, and X stands for H, C1-C-18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, Mg, Ca, AI, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonized nitrogen base, and the catalysts A and B are transition metals and/or transition metal compounds and/or catalyst systems comprised of a transition metal and/or a transition metal compound and at least one ligand.
摘要:
Die Erfindung betrifft ein Verfahren zur Herstellung von mono-carboxyfunktionalisierten Dialkylphosphinsäuren, -estern und -salzen mittels Vinylen/Nitrilen, dadurch gekennzeichnet, dass man a) eine Phosphinsäurequelle (I) mit Olefinen (IV) in Gegenwart eines Katalysators A zu einer Alkylphosphonigsäure, deren Salz oder Ester (II) umsetzt, b) die so entstandene Alkylphosphonigsäure, deren Salz oder Ester (II) mit acetylenischen Verbindungen der Formel (V) in Gegenwart eines Katalysators B zu einem mono-funktionalisierten Dialkylphosphinsäurederivat (VI) umsetzt, und c) so entstandenes mono-funktionalisiertes Dialkylphosphinsäurederivat (VI) mit einer Cyanwasserstoffquelle in Gegenwart eines Katalysators C zum mono-funktionalisierten Dialkylphosphinsäurederivat (VII) umsetzt, und d) so entstandenes mono-funktionalisiertes Dialkylphosphinsäurederivat (VII) in Gegenwart eines Katalysators D zum mono-carboxyfunktionalisierten Dialkylphosphinsäurederivat (III) umsetzt, wobei R 1 , R 2 , R 3 , R 4 , R 5 , R 6 gleich oder verschieden sind und unabhängig voneinander u.a. H, C 1 -C 18 -Alkyl, C 6 -C 18 -Aryl, C 6 -C 18 -Aralkyl, C 6 -C 18 -Alkylaryl und X und Y gleich oder verschieden sind und unabhängig voneinander für H, C 1 -C 18 -Alkyl, C 6 -C 18 -Aryl, C 6 -C 18 -Aralkyl, C 6 -C 18 -Alkylaryl, Mg, Ca, AI, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K und/oder eine protonierte Stickstoffbase stehen und es sich bei den Katalysatoren A, B und C um Übergangsmetalle und/oder Übergangsmetallverbindungen und/oder Katalysatorsysteme handelt, die sich aus einem Übergangsmetall und/oder einer Übergangsmetallverbindung und mindestens einem Liganden zusammensetzen und es sich bei dem Katalysator D um eine Säure oder eine Base handelt.
摘要:
Die Erfindung betrifft ein Verfahren zur Herstellung von mono-carboxyfunktionalisierten Dialkylphosphinsäuren, -estern und -salzen mittels Vinylverbindungen, dadurch gekennzeichnet, dass man a) eine Phosphinsäurequelle (I) mit Olefinen (IV) in Gegenwart eines Katalysators A zu einer Alkylphosphonigsäure, deren Salz oder Ester (II) umsetzt, b) die so entstandene Alkylphosphonigsäure, deren Salz oder Ester (II) mit acetylenischen Verbindungen der Formel (V) in Gegenwart eines Katalysators B zu einem mono-funktionalisierten Dialkylphosphinsäurederivat (VI) umsetzt, und c) so entstandenes mono-funktionalisiertes Dialkylphosphinsäurederivat (VI) mit Kohlenmonoxid in Gegenwart eines Katalysators C zum mono-carboxyfunktionalisierten Dialkylphosphinsäurederivat (III) umsetzt, wobei R 1 , R 2 , R 3 , R 4 , R 5 , R 6 gleich oder verschieden sind und unabhängig voneinander u.a. H, C 1 -C 18 -Alkyl, C 6 -C 18 -Aryl, C 6 -C 18 -Aralkyl, C 6 -C 18 -Alkylaryl und X und Y gleich oder verschieden sind und unabhängig voneinander für H, C 1 -C 18 -Alkyl, C 6 -C 18 -Aryl, C 6 -C 18 Aralkyl, C 6 -C 18 Alkylaryl, Mg, Ca, AI, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K und/oder eine protonierte Stickstoffbase stehen und es sich bei den Katalysatoren A, B, C und D um Übergangsmetalle und/oder Übergangsmetallverbindungen und/oder Katalysatorsysteme handelt, die sich aus einem Übergangsmetall und/oder einer Übergangsmetallverbindung und mindestens einem Liganden zusammensetzen.
摘要:
A compound represented by the general formula (1), a salt thereof, or a hydrate or solvate of either. These are intermediates for efficiently producing a phosphinic acid derivative which is a potent carboxypeptidase B inhibitor. (1) [In the formula, R and R may be the same or different and each independently represents hydrogen or an easily removable protective group; R represents hydrogen or an easily removable protective group; R represents hydrogen or an easily removable protective group; and m is an integer of 1 to 8.]
摘要翻译:由通式(1)表示的化合物,其盐或其水合物或溶剂化物。 这些是有效产生作为有效的羧肽酶B抑制剂的次膦酸衍生物的中间体。 (1)[式中,R 1和R 2可以相同或不同,各自独立地表示氢或易除去的保护基; R 3表示氢或易除去的保护基; R 4表示氢或易于除去的保护基; m为1〜8的整数。]
摘要:
This invention relates to conjugated diene phosphinate compounds for making halogen free phosphinate-containing flame retardants, inimer and metal extractants, method for preparing said compounds from unsaturated ketones or aldehydes, and the 5 use thereof. The compounds of the present invention having the following formula (III), wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 represent, independently, hydrogen, alkyl, aryl, alkaryl, aralkyl, cycloalkyl, heterocycloalkyl, or alkenyl groups; R 7 represents hydrogen, alkyl, aryl, alkaryl, aralkyl, cycloalkyl, alkenyl groups, or metals selected from the group consisting of Na, Li, Ca.