WO2004056483A1 - Diphosphines, leur preparation et leurs utilisations - Google Patents
Diphosphines, leur preparation et leurs utilisations Download PDFInfo
- Publication number
- WO2004056483A1 WO2004056483A1 PCT/FR2003/003782 FR0303782W WO2004056483A1 WO 2004056483 A1 WO2004056483 A1 WO 2004056483A1 FR 0303782 W FR0303782 W FR 0303782W WO 2004056483 A1 WO2004056483 A1 WO 2004056483A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- formula
- diphosphine
- represent
- alkyl
- Prior art date
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- 238000002360 preparation method Methods 0.000 title claims abstract description 56
- 239000003446 ligand Substances 0.000 claims abstract description 48
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 19
- VURFVHCLMJOLKN-UHFFFAOYSA-N Diphosphine Natural products PP VURFVHCLMJOLKN-UHFFFAOYSA-N 0.000 claims description 339
- 125000000217 alkyl group Chemical group 0.000 claims description 77
- 238000006243 chemical reaction Methods 0.000 claims description 73
- 229920000642 polymer Polymers 0.000 claims description 73
- 150000001875 compounds Chemical class 0.000 claims description 64
- 238000000034 method Methods 0.000 claims description 57
- -1 lithium aluminum hydride Chemical compound 0.000 claims description 52
- 230000008569 process Effects 0.000 claims description 44
- 239000002904 solvent Substances 0.000 claims description 36
- 125000004432 carbon atom Chemical group C* 0.000 claims description 35
- 230000009467 reduction Effects 0.000 claims description 35
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 34
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 34
- 125000003118 aryl group Chemical group 0.000 claims description 32
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 31
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 30
- 150000002148 esters Chemical class 0.000 claims description 29
- 238000006116 polymerization reaction Methods 0.000 claims description 27
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 25
- 125000001424 substituent group Chemical group 0.000 claims description 25
- 239000000178 monomer Substances 0.000 claims description 24
- 125000000524 functional group Chemical group 0.000 claims description 22
- 125000005843 halogen group Chemical group 0.000 claims description 22
- 150000002430 hydrocarbons Chemical group 0.000 claims description 22
- 238000005984 hydrogenation reaction Methods 0.000 claims description 22
- 229910052801 chlorine Inorganic materials 0.000 claims description 20
- 229910052794 bromium Inorganic materials 0.000 claims description 19
- 125000003342 alkenyl group Chemical group 0.000 claims description 17
- 125000004202 aminomethyl group Chemical group [H]N([H])C([H])([H])* 0.000 claims description 16
- 239000000460 chlorine Substances 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 14
- 239000004952 Polyamide Substances 0.000 claims description 13
- 125000001261 isocyanato group Chemical group *N=C=O 0.000 claims description 13
- 125000001624 naphthyl group Chemical group 0.000 claims description 13
- 229920002647 polyamide Polymers 0.000 claims description 13
- 239000010948 rhodium Substances 0.000 claims description 13
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 12
- 125000001931 aliphatic group Chemical group 0.000 claims description 12
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 12
- 150000004985 diamines Chemical class 0.000 claims description 12
- 229910052707 ruthenium Inorganic materials 0.000 claims description 12
- 229920002396 Polyurea Polymers 0.000 claims description 11
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 11
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 11
- 150000002576 ketones Chemical class 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 125000005442 diisocyanate group Chemical group 0.000 claims description 10
- 229910052703 rhodium Inorganic materials 0.000 claims description 10
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 10
- 229910052723 transition metal Inorganic materials 0.000 claims description 10
- 150000003624 transition metals Chemical class 0.000 claims description 10
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 9
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 9
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 9
- 239000004642 Polyimide Substances 0.000 claims description 9
- 125000002723 alicyclic group Chemical group 0.000 claims description 9
- 125000003545 alkoxy group Chemical group 0.000 claims description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 9
- 229920001721 polyimide Polymers 0.000 claims description 9
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 8
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 8
- 125000002947 alkylene group Chemical group 0.000 claims description 8
- 125000003277 amino group Chemical group 0.000 claims description 8
- 239000003153 chemical reaction reagent Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000005658 halogenation reaction Methods 0.000 claims description 8
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 claims description 8
- 229910052740 iodine Chemical group 0.000 claims description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 229910052741 iridium Inorganic materials 0.000 claims description 7
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 125000000304 alkynyl group Chemical group 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 6
- 125000000732 arylene group Chemical group 0.000 claims description 6
- 125000002993 cycloalkylene group Chemical group 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 230000026030 halogenation Effects 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- 239000011777 magnesium Substances 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 125000004956 cyclohexylene group Chemical group 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 4
- 125000004429 atom Chemical group 0.000 claims description 4
- 150000004696 coordination complex Chemical class 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- DOBRDRYODQBAMW-UHFFFAOYSA-N copper(i) cyanide Chemical compound [Cu+].N#[C-] DOBRDRYODQBAMW-UHFFFAOYSA-N 0.000 claims description 4
- 239000007822 coupling agent Substances 0.000 claims description 4
- 238000005886 esterification reaction Methods 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims description 4
- 125000000468 ketone group Chemical group 0.000 claims description 4
- 230000000269 nucleophilic effect Effects 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 229920001843 polymethylhydrosiloxane Polymers 0.000 claims description 4
- 125000006564 (C4-C8) cycloalkyl group Chemical group 0.000 claims description 3
- PONXTPCRRASWKW-UHFFFAOYSA-N 1,2-diphenylethane-1,2-diamine Chemical group C=1C=CC=CC=1C(N)C(N)C1=CC=CC=C1 PONXTPCRRASWKW-UHFFFAOYSA-N 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 239000000010 aprotic solvent Substances 0.000 claims description 3
- 238000007333 cyanation reaction Methods 0.000 claims description 3
- 230000032050 esterification Effects 0.000 claims description 3
- 125000001153 fluoro group Chemical group F* 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 3
- 238000010534 nucleophilic substitution reaction Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 239000002798 polar solvent Substances 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 125000003368 amide group Chemical group 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 238000009876 asymmetric hydrogenation reaction Methods 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 150000008282 halocarbons Chemical class 0.000 claims description 2
- 125000000879 imine group Chemical group 0.000 claims description 2
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 2
- 150000002513 isocyanates Chemical class 0.000 claims description 2
- 150000002641 lithium Chemical group 0.000 claims description 2
- 239000012280 lithium aluminium hydride Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 125000002560 nitrile group Chemical group 0.000 claims description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920001228 polyisocyanate Polymers 0.000 claims description 2
- 239000005056 polyisocyanate Substances 0.000 claims description 2
- 229910052702 rhenium Inorganic materials 0.000 claims description 2
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 4
- 150000001735 carboxylic acids Chemical class 0.000 claims 2
- 239000012327 Ruthenium complex Substances 0.000 claims 1
- 125000001246 bromo group Chemical group Br* 0.000 claims 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 15
- 239000002184 metal Substances 0.000 abstract description 15
- 239000000543 intermediate Substances 0.000 abstract description 5
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 33
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 28
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 27
- 239000003054 catalyst Substances 0.000 description 25
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 22
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- 238000006722 reduction reaction Methods 0.000 description 21
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 20
- 239000000243 solution Substances 0.000 description 20
- 239000000758 substrate Substances 0.000 description 19
- 239000012429 reaction media Substances 0.000 description 16
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 14
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 13
- 239000003638 chemical reducing agent Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000012074 organic phase Substances 0.000 description 11
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 10
- 238000012512 characterization method Methods 0.000 description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 150000001408 amides Chemical class 0.000 description 9
- UIIMBOGNXHQVGW-UHFFFAOYSA-M sodium bicarbonate Substances [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 9
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 8
- 239000012041 precatalyst Substances 0.000 description 8
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 8
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 6
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 6
- 239000008346 aqueous phase Substances 0.000 description 6
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 6
- 239000007800 oxidant agent Substances 0.000 description 6
- 239000000376 reactant Substances 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 5
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 150000001299 aldehydes Chemical class 0.000 description 5
- 150000001450 anions Chemical class 0.000 description 5
- 239000012298 atmosphere Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000004817 gas chromatography Methods 0.000 description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 5
- 229910052753 mercury Inorganic materials 0.000 description 5
- 150000002825 nitriles Chemical class 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 150000003303 ruthenium Chemical class 0.000 description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 description 5
- 238000006467 substitution reaction Methods 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000004912 1,5-cyclooctadiene Substances 0.000 description 4
- LMDZBCPBFSXMTL-UHFFFAOYSA-N 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide Chemical compound CCN=C=NCCCN(C)C LMDZBCPBFSXMTL-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 4
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 150000001991 dicarboxylic acids Chemical class 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 125000005549 heteroarylene group Chemical group 0.000 description 4
- 125000000623 heterocyclic group Chemical group 0.000 description 4
- 239000013067 intermediate product Substances 0.000 description 4
- 125000005394 methallyl group Chemical group 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 4
- 125000006704 (C5-C6) cycloalkyl group Chemical group 0.000 description 3
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 3
- SEZSRPYCOMAEDL-UHFFFAOYSA-N 2-diphenylphosphoryl-1-(2-diphenylphosphorylnaphthalen-1-yl)naphthalene Chemical compound C=1C=CC=CC=1P(C=1C(=C2C=CC=CC2=CC=1)C=1C2=CC=CC=C2C=CC=1P(=O)(C=1C=CC=CC=1)C=1C=CC=CC=1)(=O)C1=CC=CC=C1 SEZSRPYCOMAEDL-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
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- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 3
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- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Natural products P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 3
- 229910018286 SbF 6 Inorganic materials 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- MUALRAIOVNYAIW-UHFFFAOYSA-N binap Chemical compound C1=CC=CC=C1P(C=1C(=C2C=CC=CC2=CC=1)C=1C2=CC=CC=C2C=CC=1P(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 MUALRAIOVNYAIW-UHFFFAOYSA-N 0.000 description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 3
- 150000001990 dicarboxylic acid derivatives Chemical class 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
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- YLHXLHGIAMFFBU-UHFFFAOYSA-N methyl phenylglyoxalate Chemical compound COC(=O)C(=O)C1=CC=CC=C1 YLHXLHGIAMFFBU-UHFFFAOYSA-N 0.000 description 1
- CWKLZLBVOJRSOM-UHFFFAOYSA-N methyl pyruvate Chemical compound COC(=O)C(C)=O CWKLZLBVOJRSOM-UHFFFAOYSA-N 0.000 description 1
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- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
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- 238000011084 recovery Methods 0.000 description 1
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- YAYGSLOSTXKUBW-UHFFFAOYSA-N ruthenium(2+) Chemical compound [Ru+2] YAYGSLOSTXKUBW-UHFFFAOYSA-N 0.000 description 1
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- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 150000003443 succinic acid derivatives Chemical class 0.000 description 1
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- 150000000000 tetracarboxylic acids Chemical class 0.000 description 1
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- 125000005309 thioalkoxy group Chemical group 0.000 description 1
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- UIERETOOQGIECD-ONEGZZNKSA-N tiglic acid Chemical compound C\C=C(/C)C(O)=O UIERETOOQGIECD-ONEGZZNKSA-N 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- 150000003613 toluenes Chemical class 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G79/00—Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule
- C08G79/02—Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule a linkage containing phosphorus
- C08G79/06—Phosphorus linked to carbon only
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/165—Polymer immobilised coordination complexes, e.g. organometallic complexes
- B01J31/1658—Polymer immobilised coordination complexes, e.g. organometallic complexes immobilised by covalent linkages, i.e. pendant complexes with optional linking groups, e.g. on Wang or Merrifield resins
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- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
- B01J31/1845—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing phosphorus
- B01J31/1875—Phosphinites (R2P(OR), their isomeric phosphine oxides (R3P=O) and RO-substitution derivatives thereof)
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- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
- B01J31/2442—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring comprising condensed ring systems
- B01J31/2447—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring comprising condensed ring systems and phosphine-P atoms as substituents on a ring of the condensed system or on a further attached ring
- B01J31/2452—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring comprising condensed ring systems and phosphine-P atoms as substituents on a ring of the condensed system or on a further attached ring with more than one complexing phosphine-P atom
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B53/00—Asymmetric syntheses
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/0046—Ruthenium compounds
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- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
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- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/0046—Ruthenium compounds
- C07F15/0053—Ruthenium compounds without a metal-carbon linkage
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
- C07F9/5027—Polyphosphines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
- C07F9/53—Organo-phosphine oxides; Organo-phosphine thioxides
- C07F9/5329—Polyphosphine oxides or thioxides
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- B01J2231/60—Reduction reactions, e.g. hydrogenation
- B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
- B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
- B01J2231/643—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of R2C=O or R2C=NR (R= C, H)
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- B01J2231/60—Reduction reactions, e.g. hydrogenation
- B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
- B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
- B01J2231/645—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of C=C or C-C triple bonds
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- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
- B01J2531/0261—Complexes comprising ligands with non-tetrahedral chirality
- B01J2531/0266—Axially chiral or atropisomeric ligands, e.g. bulky biaryls such as donor-substituted binaphthalenes, e.g. "BINAP" or "BINOL"
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- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/827—Iridium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/828—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/84—Metals of the iron group
- B01J2531/847—Nickel
Definitions
- the present invention relates to new diphosphines in particular in their optically active form as well as the process for obtaining them.
- the invention also relates to their uses as bidentate ligands in the synthesis of catalysts based on transition metals intended for asymmetric catalysis.
- the invention also relates to their uses as intermediate products in the preparation of ligands in insoluble form. More particularly, the invention resides in an optically active polymer in which one of the polymeric units consists of a chiral diphosphine.
- the invention also relates to the use of said polymer as a ligand in the preparation of metal complexes intended for asymmetric catalysis.
- optically active compounds are a problem which arises in many technical fields such as for example, pharmacy, agrochemistry, the food industry (food additives, flavorings) and also in the perfume industry. It is expected that this problem will take on increasing importance because, more and more, we note that in a given application, only one of the stereomers has the desired property.
- Asymmetric catalysis has experienced considerable growth in recent years. It has the advantage of leading directly to the preparation of optically pure or optically enriched isomers by asymmetric induction without the need to duplicate racemic mixtures.
- BINAP 2,2'-bis (diphenylphosphino) -1, 1'-binaphthyle
- BINAP 2,2'-bis (diphenylphosphino) -1, 1'-binaphthyle
- the complexes used are derived from the palladium, ruthenium, rhodium and iridium salts.
- diphosphine which is a derivative of BINAP in which the two naphthyl groups carry a substituent in positions 6 and 6 '. More precisely, it is 6,6'-diaminomethylBINAP.
- diphosphines capable of being prepared much more easily on an industrial scale because they are derived from a commercial product, namely 2,2'-bis (diphenylphosphino) -1, 1 '-binaphthyle or BINAP.
- a first object of the invention are diphosphines in which the naphthyl groups are substituted in the 5.5 ′ position.
- Another object of the invention are the intermediate products which are diphosphines in the form of dioxide and having substituents in the 5.5 ′ position.
- the invention relates both to the racemic mixture and to the optically active forms of said diphosphines.
- the present invention therefore provides a diphosphine capable of being used as ligands in chiral catalysts and corresponding to the formula
- R 2 identical or different, represent a hydrogen atom or a substituent
- Ari and Ar 2 independently represent an alkyl, alkenyl, cycloalkyl, aryl, arylalkyl group,
- a group R alkyl, alkenyl, alkynyl, cycloalkyl, aryl, arylalkyl,. an alkyl group substituted by one or more halogen atoms, preferably fluorine or by nitro or amino groups,. a halogen atom chosen from bromine, chlorine or iodine,. a group -OH,. a group -OR a ,. a group -O-COR a ,. a group -SR a ,. a -CN group, . a group derived from the nitrile group such as:
- . -NHR group has ,
- R a represents an alkyl, cycloalkyl, arylalkyl, phenyl group and R b has the meaning given for R a and also represents a naptyl group.
- the present invention also relates to the intermediate products, namely diphosphine in the form of dioxide, in racemic form or in chiral form and which corresponds to the following formula:
- R 1 f R 2 , Ar ⁇ Ar 2 , Xi, X 2 have the meaning given for formula (I).
- diphosphines corresponding to the general formula (I) a particularly advantageous group of diphosphines is that constituted by the diphosphines which correspond to the formula (I ') and which are capable of being used as intermediate products for the preparation of insoluble polymers as constituents of one of the polymeric units:
- R 2 identical or different, represent a hydrogen atom or a substituent
- Ar 2 independently represent an alkyl, alkenyl, cycloalkyl, aryl, arylalkyl group,
- R a represents an alkyl, cycloalkyl, arylalkyl, phenyl group,
- diphosphines of formula (I ') are to carry two functional groups capable of reacting with one or more polymerizable monomers leading to a polymer which, when it is obtained from a chiral diphosphine is optically active and is therefore susceptible to be used as a ligand in metal complexes used in asymmetric catalysis.
- the definition of certain terms used in this text is recalled below.
- chiral refers to a molecular entity, not superimposable on its image in a mirror.
- a compound is racemic if it is the equimolar mixture of its 2 enantiomeric forms.
- enantiomers designates molecular entities which are imaged of one another in a mirror and which are not superimposable.
- a compound is optically active if it is able to rotate the plane of polarization of a transmitted beam of plane polarized light.
- An optically active compound is necessarily chiral.
- alkyl means a linear or branched hydrocarbon chain having from 1 to 15 carbon atoms and preferably from 1 or 2 to 10 carbon atoms.
- Examples of preferred alkyl groups include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl.
- alkenyl is meant a hydrocarbon group, linear or branched having from 2 to "15 carbon atoms, comprising one or more double bonds, preferably 1 to 2 double bonds.
- alkynyl is meant a hydrocarbon group, linear or branched having from 2 to 15 carbon atoms, comprising one or more triple bonds, preferably 1 triple bond.
- cycloalkyl is meant a cyclic, monocyclic hydrocarbon group comprising from 3 to 8 carbon atoms, preferably a cyclopentyl or cyclohexyl or polycyclic group (bi- or tricyclic) comprising from 4 to 18 carbon atoms, in particular adamantyl or norbornyl.
- aryl is meant an aromatic mono- or polycyclic group, preferably mono- or bicyclic comprising from 6 to 20 carbon atoms, preferably phenyl or naphthyl.
- group is polycyclic, that is to say that it comprises more than one cyclic nucleus, the cyclic nuclei can be condensed two by two or attached two by two by ⁇ bonds.
- Examples of (C 6 -C ⁇ 8 ) aryl groups are in particular phenyl, naphthyl, anthryl and phenanthryl.
- arylalkyl is meant a hydrocarbon group, linear or branched carrying a monocyclic aromatic ring and comprising from 7 to 12 carbon atoms, preferably benzyl.
- the carbocyclic groups An and Ar 2 may carry substituents which are such that they do not interfere with the complexing of the ligand to the metal during the preparation of the catalyst .
- substituents are alkyl, alkoxy, thioalkoxy, aikoxyalkyle, thioaikoxyalkyle, polyoxyalkylene, -SO3H, -SO 3 M where M is a metallic or ammonium cation, -PO 3 H 2 , -PO 3 HM or -PO 3 M 2 where M is as defined above.
- M is an alkali metal cation such as Na, Li or K.
- the alkyl parts are saturated, linear or branched hydrocarbon groups, comprising in particular up to 25 carbon atoms, and, for example from 1 to 12 carbon atoms, better still from 1 to 6 carbon atoms.
- alkyl groups are methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, pentyl, isopentyl, neopentyl, 2-methylbutyl, 1 -ethylpropyl, hexyl, isohexyl, neohexyl, 1 -methylpentyl, 3- methylpentyle, 1, 1-dimethylbutyl, 1, 3-dimethylbutyl, 2-ethylbutyl, 1-methyl-1- ethylpropyle, heptyle, 1 -methylhexyle, 1 -propylbutyle, 4,4-dimethylpentyle, octyl, 1 -methylheptyle, 2- ethylhexyl, 5,5-dimethylhexyl, nonyl, decyl, 1-methylnonyl, 3,7-dimethylo
- the substituents are alkyl or alkoxy groups preferably having from 1 to 6 carbon atoms.
- the preferred ligands and their intermediates correspond respectively to formulas (I), (I ') or (II) in which An, Ar 2 independently represent a (CC 6 ) alkyl group; a phenyl group optionally substituted by one or more (C ⁇ -C 6 ) alkyl or (C ⁇ -C 6 ) alkoxy; or a (C 4 -C 8 ) cycloalkyl group optionally substituted by one or more (CrC 6 ) alkyl groups.
- a and Ar 2 are independently a (dC 4 ) alkyl group; a phenyl group optionally substituted by methyl or tert-butyl; or a (C 5 -C 6 ) cycloalkyl group optionally substituted by methyl or tert-butyl.
- the carbocyclic groups A and Ar 2 can carry substituents which are such that they do not interfere with the reactions involved in the process of the invention. These substituents are inert under the conditions involved in the halogenation (step i), cyanation (step ii), reduction (step iii and iv) reactions. Thus, the invention does not exclude the presence of other substituents other than Ri and R 2 .
- the naphthyl groups can also carry a substituent represented by R 1 or R 2 which can be of the same nature as those which have just been specified.
- the substituents are alkyl or alkoxy groups preferably having from 1 to 6 carbon atoms.
- R 2 preferably represent a hydrogen atom, one or more groups chosen from (C ⁇ -C 4 ) alkyl and (CC 4 ) alkoxy.
- the preferred compounds (I), (I ') and (II) do not carry a substituent, which means that Ri and R 2 represent a hydrogen atom.
- R a represents an alkyl group having from 1 to 4 carbon atoms, a cyclohexyl group, a phenyl group and a benzyl group and R b has the meaning given for R a and represents also a naphthyl group.
- a halogen atom preferably a bromine or chlorine atom
- - X represents a chlorine, bromine or iodine atom
- a first object of the invention resides in a process for the preparation of the diphosphine of formula (lai) characterized in that it comprises the following steps: i) carrying out the halogenation in position 5.5 ′ of a compound formula (III):
- - X represents a chlorine, bromine or iodine atom
- Diphosphine in the form of dioxide of formula (III) is known. It can be obtained by oxidation V):
- Diphosphine in the form of oxide of formula (III) is obtained by oxidation using an oxidizing agent of diphosphine of formula (IV).
- oxidizing agent any type of oxidizing agent can be used, a chemical oxidant, for example potassium permanganate or molecular oxygen or a gas containing it, it is preferred to use hydrogen peroxide, preferably in the form of an aqueous solution.
- a chemical oxidant for example potassium permanganate or molecular oxygen or a gas containing it
- hydrogen peroxide preferably in the form of an aqueous solution.
- the concentration of the hydrogen peroxide solution is advantageously between 10% and 35% by weight.
- the amount of oxidizing agent used can vary widely from the stoichiometric amount to an excess of 100% compared to the stoichiometry.
- the solvent can be chosen from aliphatic, cycloaliphatic or aromatic hydrocarbons, chlorinated or not. As examples, mention may be made of dichloromethane, chloroform, carbon tetrachloride, 1, 2-dichloroethane.
- the concentration of diphosphine in the reaction solvent is preferably between 0.1 and 50 g / l.
- the diphosphine generally dissolved in an adequate solvent, is therefore brought into contact with the oxidizing agent.
- the reaction is advantageously carried out at room temperature, most often between -5 ° C and 25 ° C.
- the reaction time is generally between 30 min and 6 h.
- the diphosphine is recovered in the form of dioxide in the organic phase.
- a conventional phase treatment is carried out.
- the organic phase is washed with sodium bisulfite which makes it possible to eliminate in the aqueous phase the excess of oxidizing agent (peroxide) which has not reacted.
- a usual drying operation is carried out, for example drying over sodium or magnesium sulfate.
- a diphosphine is obtained in the form of dioxide corresponding to the formula
- the halogenation reaction of the naphthyl nucleus is carried out which is an electrophilic reaction carried out by the action of a halogen, chlorine, bromine or iodine on the diphosphine in the form of dioxide and in the presence of a catalyst.
- This reaction can be carried out in the presence of a catalyst which is based on iron.
- a catalyst which is based on iron.
- turnings or iron filings are used.
- the amount of iron used is such that the ratio between the number of moles of iron and the number of moles of compound of formula (III) varies between 15 and 30 and more particularly around 20.
- the halogenation takes place in an inert aprotic solvent.
- Said solvent must have a boiling point above 60 ° C.
- Particular use is made of halogenated, chlorinated or brominated hydrocarbons and preferably chloroform, carbon tetrachloride or 1,2-dichloroethane.
- the molar ratio of the halogenating agent to diphosphine (PO) varies between 15 and 30, preferably around 20.
- the concentration of the reactants can vary very widely between 0, 01 and 10 mol / l, for example between 0.05 and 1 mol / l.
- the halogenation reaction preferably bromination, is carried out between 20 ° C and 100 ° C and advantageously, protected from light in order to avoid parasitic radical reactions.
- a dihalogenated diphosphine (PO) is thus obtained corresponding to the formula
- step (ii) the phosphorus atom in oxidized form (PO) is reduced and the diphosphine of formula (lai) is obtained.
- This step consists in subjecting the latter to a reduction carried out using a hydrogen silane.
- R ⁇ , R ⁇ , R ⁇ identical or different, represent, a hydrogen atom, an alkyl group having from 1 to 6 carbon atoms, a phenyl group or a chlorine atom, - at most two of the R ⁇ groups, R ⁇ , R ⁇ , represent a hydrogen atom.
- the preferred reducing agents correspond to the formula (F a ) in which R ⁇ , R ⁇ , ⁇ represent a hydrogen atom, a methyl group, a phenyl group or a chlorine atom.
- R ⁇ , R ⁇ , ⁇ represent a hydrogen atom, a methyl group, a phenyl group or a chlorine atom.
- the invention does not exclude any other type of organosilicon compound comprising an SiH group.
- the quantity of reducing agent is most often in large stoichiometric excess.
- the ratio between the number of moles of reducing agent and the number of moles of diphosphine (PO) varies between 10 and 70.
- reducing agents a mixture of PhSiH 3 (or
- the amount of PhSiH 3 is such that the ratio between the number of moles of PhSiH 3 and moles of diphosphine (PO) varies between 50 and 70.
- the ratio between the number of moles of HSiCI 3 and the number of moles of diphosphine (PO) varies between 10 and 40.
- the reduction reaction is carried out at a temperature advantageously chosen between 80 ° C and 130 ° C.
- the medium is cooled to ambient temperature and the product is recovered in solid form after evaporation.
- One or more washings of the product can be carried out using an organic solvent, preferably an aliphatic, cycloaliphatic or aromatic hydrocarbon, halogenated or not.
- organic solvent preferably an aliphatic, cycloaliphatic or aromatic hydrocarbon, halogenated or not.
- organic solvent preferably an aliphatic, cycloaliphatic or aromatic hydrocarbon, halogenated or not.
- pentane hexane or cyclohexane.
- the present invention also provides the process for obtaining a diphosphine corresponding to formula (la 2 ): in which Ri, R 2 , An and Ar 2 are as defined above.
- the process of the invention for obtaining the diphosphine of formula (la 2 ) more precisely comprises the following stages: i) carrying out the substitution of the two halogen atoms, preferably of bromine by cyano groups by reaction of the diphosphine in the form of dioxide and dihalogenated in the 5.5 ′ position of formula (Ha i ):
- the next step is a cyanation reaction which is a nucleophilic substitution.
- the two halogen atoms carried by the naphthyl nuclei are displaced by cyano groups by the action of an appropriate nucleophilic agent.
- the nucleophilic agent used is copper cyanide (I) or (II).
- the molar ratio of copper cyanide to the compound of formula ( May) is preferably greater than 2, it can advantageously vary between 2 and 4, preferably between 2 and 3.
- the reaction is preferably carried out in a solvent.
- solvents that may be mentioned include amides such as dimethylformamide, N-methyl-2-pyrrolidinone and hexamethylphosphorylamide. Dimethylformamide is much preferred. Pyridine is also a suitable solvent.
- the reaction temperature is advantageously maintained between 50 ° C and 200 ° C, preferably between 100 ° C and 190 ° C.
- the concentration of the reactants in the reaction medium generally varies between 0.1 and 10 mol / l, for example between 2 and 7 mol / l.
- the isolation of the nitrile involves the decomposition of the intermediate complex formed and the trapping of the excess cyanide.
- the hydrolysis of the intermediate complex can be carried out either by the action of hydrated iron chloride, or by the action of aqueous ethylenediamine.
- the reaction medium is poured into an aqueous solution of iron chloride at 50-80% (g / ml) containing concentrated hydrochloric acid.
- the resulting solution is heated to 40-80 ° C until complete decomposition of the complex.
- the medium is decanted and extracted in a conventional manner.
- reaction medium is poured into an aqueous ethylenediamine solution (ethylenediamine / water: 1/5 - 1/1 (v / v), for example 1/3) then the whole is vigorously stirred. The medium is then decanted and extracted in a manner known per se.
- aqueous ethylenediamine solution ethylenediamine / water: 1/5 - 1/1 (v / v), for example 1/3
- the compound of formula (la 2 ) is obtained by reduction of the diphosphine in the form of dioxide as described above.
- the present invention also provides a process for the transformation of the compounds of * formula (la 2 ) (which have two cyano functions) into corresponding diaminomethylated compounds.
- the invention relates to a process comprising in addition to steps (i) and (ii) defined above for the preparation of the diphosphine of formula (la 2 ), an additional step of reduction of the nitrile function of the compound of formula (la 2 ) by the action of a reducing agent so as to obtain a compound of formula (Ia 3 ):
- a suitable reducing agent is lithium aluminum hydride (LiAIH 4 ).
- the invention is not intended to be limited to the use of this particular reducing agent.
- the reaction is preferably carried out in a solvent or a mixture of solvents.
- the solvent advantageously comprises one or more aromatic hydrocarbons (such as benzene, toluene and xylene) in admixture with one or more ethers.
- ethers mention may be made of CC 6 alkyl ethers (diethyl and diisopropyl ether), cyclic ethers (dioxane, tetrahydrofuran), dimethoxyethane and dimethyl ether of diethylene glycol.
- Cyclic ethers of the tetrahydrofuran type are preferred.
- the reducing agent is LiAIH 4
- the reduction can be carried out at a temperature between 20 ° C and
- the molar ratio of the reducing agent to the compound of formula (la 2 ) generally varies between 1 and 30, for example between 2 and 20, in particular between 5 and 18.
- the concentration of reagents in the medium is variable; it can be maintained between 0.005 and 1 mol / l.
- a compound of formula (la ⁇ ) is obtained which can be recovered in a conventional manner, in particular by treatment with a base (sodium hydroxide) to remove the aluminates followed by filtration, drying and evaporation.
- a base sodium hydroxide
- the compounds of formula (las) obtained according to the process of the invention are new and form another object of the invention.
- An and Ar 2 are chosen from a (CrC 4 ) alkyl group from phenyl optionally substituted by methyl or tert-butyl; and (C 5 -C 6 ) cycloalkyl optionally substituted by methyl or tert-butyl.
- a simple way to do this is to use aqueous sodium hydroxide as the hydrolysis agent.
- a diphosphine of formula (las) which corresponds to formula (I) or (I ') in which Xi and X 2 represent a group —COOR a is obtained by direct esterification of the compound of formula (Ia 4 ) conventionally carried out in basic medium.
- a diphosphine of formula (lae) which corresponds to formula (I) or (I ') in which Xi and X 2 represent a group -CH 2 OH is obtained by reduction of the compound of formula (Ia4) using for example LiAIH 4 or NaH
- a diphosphine of formula (la 7 ) which corresponds to formula (I) or (I ') in which Xi and X 2 represent a group -CO-NH-R b is obtained by reaction of the compound of formula (Ia 4 ) with an amine R b -NH 2 in the presence of a coupling agent such as for example DCC (dicylohexylcarbamate)
- a diphosphine of formula (la 8 ) which corresponds to formula (I) or (I ') in which X and X 2 represent a group -CH 2 -NH-CO-R b is obtained by reaction of the compound of formula (Ia3 ) with an acid R b -COOH in the presence of a coupling agent such as for example DCC (Klausner YS, Bodansky M., Synthesis, 1972, 453).
- a coupling agent such as for example DCC (Klausner YS, Bodansky M., Synthesis, 1972, 453).
- a diphosphine of formula (lan) which corresponds to formula (I) or (I ') in which Xi and X 2 represent a group -CH ⁇ N ⁇ C ⁇ O is obtained by reaction of the compound of formula (Ia3) with phosgene carried out according to the teaching of literature in particular by Jerry MARCH, Advanced Organic Chemistry, 5 th edition, John Wiley and Sons, p. 507.
- a diphosphine of formula (la ⁇ 2 ) which corresponds to formula (I) or (I ') in which Xi and X 2 represent a group -CH 2 -NH 4 + is obtained by bringing together the compound of formula (las) with an acid, preferably hydrobromic acid, at room temperature, in an appropriate solvent capable of dissolving the compound of formula (las).
- a suitable solvent is, for example, an aprotic solvent such as a halogenated aliphatic hydrocarbon (of the dichloromethane or trichlorethylene type) or an optionally halogenated aromatic such as toluene or halogenated toluene.
- the diphosphine of formula (la ⁇ 2 ) is recovered in the aqueous phase. Diphosphines of formula (la ⁇ 3 ) or (la ⁇ 4 ) which correspond to the formula
- Xi and X 2 respectively represent a group -NHR a or a group -N (R a ) 2 are obtained by reaction respectively of diphosphine in the form of dioxide and dihalogenated of formula (liai) and an amine R a NH 2 or (R a ) 2 NH (Kazankov MV, Ginodman LG, d. Org. Chem, USSR, 1975, 11, 451) followed by a reduction of diphosphine in the form of dioxide as above described.
- a diphosphine of formula (la ⁇ 6 ) which corresponds to formula (I) or (I ') in which Xi and X 2 represent a group -NH-NH 2 is obtained by reaction of hydrazine with diphosphine in the form of dioxide and dihalogenate of formula (Ha ⁇ ) (Kazankov MV, Ginodman LG, d. Org. Chem, USSR, 1975, 11, 451) followed by a reduction of diphosphine in the form of dioxide as previously described.
- R-Xo Br or Cl
- the invention also provides a diphosphine of formula (la 20 ) in which Xi and X 2 represent an alkyl group substituted by one or more halogen atoms, in particular by fluorine atoms. It is preferably a perfluoroalkyl group of type - (CH 2 ) p F q in which p is between 1 and 15, preferably between 6 and 10 and q is between 3 and 21, preferably between 13 and 25.
- a diphosphine of formula (la 20 ) in which Xi and X 2 represent an alkyl group substituted by one or more halogen atoms, in particular by fluorine atoms. It is preferably a perfluoroalkyl group of type - (CH 2 ) p F q in which p is between 1 and 15, preferably between 6 and 10 and q is between 3 and 21, preferably between 13 and 25.
- diphosphine is obtained by reacting the diphosphine in the form of dioxide and dihalogenate of formula (IIa) with the corresponding iodine species l (CH 2 ) p F qj p and q having the meanings given above, in the presence of copper, optionally a base and a polar solvent.
- the ratio between the number of moles of diphosphine of formula (Ha i ) and the number of moles of iodoperfluore compound varies between 1 and 5, preferably between 1 and 3.
- the ratio between the number of moles of copper and the number of moles of dibrominated diphosphine varies between 5 and 10.
- a trapping base such as in particular those mentioned above, in particular bipyridine.
- the ratio between the number of base moles and the number of moles of dibrominated diphosphine varies between 0.1 and 1.
- the reaction advantageously takes place in a polar solvent such as for example, dimethylsulfoxide, dimethylformamide, fluorobenzene.
- a polar solvent such as for example, dimethylsulfoxide, dimethylformamide, fluorobenzene.
- the reaction takes place between 60 ° C and 100 ° C, preferably between 70 ° C and 80 ° C.
- the reaction lasts between 24 and 36 hours.
- reaction dilution is carried out with a solvent (for example dichloromethane), the copper is separated by filtration and the organic phase is recovered which is conventionally washed with water, then with a dilute acid solution (by example HCI 1 N) then using sodium hydrogencarbonate.
- a solvent for example dichloromethane
- the copper is separated by filtration and the organic phase is recovered which is conventionally washed with water, then with a dilute acid solution (by example HCI 1 N) then using sodium hydrogencarbonate.
- the organic phase is dried and then the solvent eliminated by evaporation.
- the diphosphine is recovered in the form of dioxide having perfluoroalkyl groups in position 5 and 5 ′. A reduction of the diphosphine in the form of dioxide is then carried out as previously described.
- the invention also provides a diphosphine of formula ( 2 ⁇ ) in which Xi and X 2 represent a hydroxyl group. It is obtained from diphosphine in the form of dioxide and dihalogenated of formula (IIa), according to an aromatic nucleophilic substitution reaction by OH- [Fyfe, CA in Patai The Chemistry of the hydroxyl group, pt.1, Wiley: NY , 1971, p. 83]. A reduction of the diphosphine in the form of dioxide is then carried out as previously described.
- the invention also provides a diphosphine of formula (la 22 ) in which Xi and X 2 represent a group -OCOR a . It is obtained from the diphosphine of formula (la ⁇ 7 ) by reaction with the carboxylic acid R a COOH or derivative (halide or anhydride), according to a conventional esterification reaction.
- the process of the invention can be implemented starting from an optically active compound of formula (IV) with conservation of the chirality from one end to the other of the synthesis.
- the invention relates to the use of diphosphine in which the naphthyl groups are substituted in position 5.5 ′ by two identical functional groups capable of reacting with polymerizable monomers leading to a racemic or optically polymer active.
- the diphosphines used correspond to formula (I ').
- Xi represents an aminomethyl group -CH 2 -NH 2 , a hydroxy group -OH, a hydroxymethyl group -CH 2 -OH, a carboxylic group or ester -COOR a
- R a represents an atom hydrogen or an alkyl, cycloalkyl, arylalkyl or phenyl group, more preferably a hydrogen atom or an alkyl group C ⁇ -C 2
- diphosphines corresponding to the formulas (la 2 ⁇ ), (las), (Ia4), (las), (lae), (lan), (la 18 ).
- Another object of the invention therefore resides in optically active polymers comprising the chiral diphosphine of formula (I ”) as polymeric units.
- Another object of the invention is constituted by the use of the optically active polymer, as a ligand in the preparation of metal complexes intended for asymmetric catalysis.
- the polymer of the invention consists of a chain of two types of units.
- the first type of motif is the remainder of the chiral diphosphine corresponding to formula (I ′) and carrying two identical polymerizable functional groups.
- the second type of unit is the remainder of a monomer which can be polymerized with said functional groups, that is to say a monomer comprising at least two identical functional groups capable of reacting with the functional groups of the chiral diphosphine.
- the preferred monomer is difunctional and can be represented by the following formula (X):
- M represents a divalent hydrocarbon group of aliphatic, alicyclic and / or aromatic character
- - Yi represents a functional group, preferably a carboxylic group, ester, hydroxy, amino, isocyanato, aldehyde, ketone.
- the size of the group M will be adjusted by a person skilled in the art as a function of the final use of the ligand and in particular as a function of the reaction which the metal complex formed from this polymer ligand must catalyze.
- M represents an alkylene chain C ⁇ -C ⁇ 2 , preferably Ci-Ce; a cycloalkylene group, preferably cyclohexylene; an arylene group, preferably phenylene, tolylene or naphthalene.
- optically active polymer resulting from the polymerization of the diphosphine of formula (I ') and of the monomer of formula (X) comprises the following recurring unit:
- R 2 identical or different, represent a hydrogen atom or a substituent
- An and Ar 2 independently represent an alkyl, alkenyl, cycloalkyl, aryl, arylalkyl group,
- - M represents a divalent hydrocarbon group of aliphatic, alicyclic and / or aromatic character
- the degree of polymerization is preferably between 2 and 100, better still between 2 and 50.
- Fi more particularly represents:
- an ester group (Fi) resulting from the reaction of a carboxylic group or ester (Xi) with a hydroxy group (Yi) or a hydroxy or hydroxymethyl group (Xi) with a carboxylic group or ester (Yi),
- the present invention encompasses all types of polymers and in particular linear, branched or crosslinked polymers. Mention may be made of polymers such as polyester, polyurethane, polyamide, polyurea, polyimine, polyimide.
- the preferred polymers are linear polymers but the invention does not exclude crosslinked polymers obtained by using a polymerizable monomer comprising more than two functional groups, for example three groups.
- the invention favors the chiral body carrying in position 5, 5 'two aminomethyl groups.
- those of formula (las) are chosen in which An and Ar 2 are identical and represent a phenyl group.
- one of the diphosphines corresponding to one of the formulas (I ′) is reacted with a polymerizable monomer. It is preferable to choose to use only one polymerizable monomer.
- classes of monomers mention may be made in particular of diacids, diesters, diols, diisocyanates, dialdehydes, or diketones.
- polyureas, polyamides and polyimides of the invention can be prepared from a chiral diphosphine consisting of a chiral body carrying, as functional groups, two aminomethyl groups and which corresponds to the formulas (las).
- the targeted polymer is a polyurea
- this can be synthesized by polymerization of a diphosphine carrying two groups -CH 2 -NH 2 with one or more di- or polyisocyanates.
- the nature of the isocyanate compound is not critical in itself.
- the diisocyanate is a diisocyanate of formula (Xa):
- - J represents a divalent hydrocarbon group of aliphatic, alicyclic and or aromatic character
- group J will be adjusted by a person skilled in the art as a function of the final use of the ligand and in particular as a function of the reaction which the metal complex formed from this polymer ligand must catalyze.
- the catalytic sites of the polymer of the invention are located at the level of the units derived from diphosphine.
- the size of the group J therefore determines the spacing of the catalytic sites.
- Group J is for example a C ⁇ -C ⁇ 6 alkylene chain, preferably C ⁇ -C ⁇ 2 , optionally interrupted by one or more (preferably 1 to 4, better still 1 to 2) heteroatoms chosen from O, N and S, said chain possibly comprising one or more unsaturations (preferably 1 to 4, better still 1 to 2); a group - (CH 2 ) a -K- (CH 2 ) - where a and b are independently an integer from 0 to 6 and K represents (C 6 - C 8 ) cycloalkylene; a group - (CH 2 ) a -L- (CH 2 ) b - where a and b are as defined above- above and L represents (C 6 -C ⁇ o) arylene; a group - (CH 2 ) a -V 0 - (CH 2 ) - where a and b are as defined above and V 0 represents 5 to 8-membered heteroarylene comprising 1 to 3 heteroatoms chosen from O, N and S
- J contains an alkylene chain
- this alkylene chain comprises a nitrogen atom, this carries a (C ⁇ -C 6 ) alkyl group or a hydrogen atom.
- J When J contains cycloalkylene, it is preferred that J is cyclohexylene. When J contains arylene, it is preferred that J is phenylene or naphthalene.
- J represents - (CH 2 ) a -L- (CH 2 ) b -, - (CH 2 ) a -K- (CH 2 ) b - or - (CH 2 ) a -V 0 - (CH 2 ) b -, we prefer that a and b are identical.
- heteroarylene is meant a bivalent group corresponding to a heterocycle in which two hydrogen atoms have been replaced by two bonds.
- Heteroarylenes derived from heterocycles are preferred: furan, thiophene, pyrrole, oxazole, thiazole, imidazole, pyrrazole, isoxazole, isothiazole, pyridine, pyridazine, pyrimidine, pyrazine, indolizine, indole, isoindole, benzofuran, benzothiophene, benzimiazine isoquinoline, cinnoline, phthalazine, quinazoline, naphthyridine and pteridine.
- heteroarylene is derived from imidazole, benzimidazole, pyrimidine or quinazoline.
- the J group as defined above may bear one or more substituents selected from a halogen atom, an alkyl group C ⁇ -C 6 alkoxy C ⁇ -C 6, an oxo group and a di (C ⁇ -C 6 ) alkylamino.
- substituents selected from a halogen atom, an alkyl group C ⁇ -C 6 alkoxy C ⁇ -C 6, an oxo group and a di (C ⁇ -C 6 ) alkylamino.
- substituents selected from a halogen atom, an alkyl group C ⁇ -C 6 alkoxy C ⁇ -C 6, an oxo group and a di (C ⁇ -C 6 ) alkylamino.
- These polymerization conditions are preferably adjusted so as to obtain a polymer having a degree of polymerization from 2 to 100, preferably from 5 to 100, for example from 2 to 50, better still from 4 to 25.
- Polyureas with a degree of polymerization from 3 to 8 are particularly suitable.
- the choice of the polymerization method is not critical according to the invention.
- the solvent is generally a polar aprotic solvent chosen from an optionally halogenated aliphatic hydrocarbon, for example methylene chloride, chloroform, carbon tetrachloride or 1, 2-dichloroethane; an optionally halogenated aromatic hydrocarbon, for example chlorobenzene or dichlorobenzene; an ether such as diethyl ether, diisopropyl ether, tetrahydrofuran, dioxane, diethylene glycol dimethyl ether, glymes and in particular 1,2-dimethoxyethane; an amide such as formamide, dimethylformamide, dimethylacetamide, N-methyl-2-pyrrolidinone or hexamethylphosphorylamide; a nitrile such as acetonitrile or Pisobutyronitrile; and dimethyl sulfoxide.
- an optionally halogenated aliphatic hydrocarbon for example methylene chloride, chloroform, carbon tetrachlor
- the concentration of reagents in the solution varies widely depending on the solubility of the reagents. It is generally between 0.05 and 1 mol / l, preferably between 0.01 and 1 mol / l, for example 0.1 mol / l.
- the diisocyanate is used in slight excess relative to the diphosphine, although in all rigor a stoichiometric ratio of these two compounds may be suitable.
- the molar ratio of diisocyanate to diphosphine is generally fixed between 1 and 1, 5, for example between 1 and 1, 3.
- the temperature at which the polymerization is carried out is determined as a function of the reactivity of the various reactants and of the desired degree of polymerization. As an indication, the temperature varies between -20 ° C and 100 ° C, preferably between room temperature and 100 ° C, for example between 15 and 100 ° C, better still between 15 and 40 ° C. Advantageously, it is 20 ° C.
- the polymerization is carried out in a conventional manner by dissolving the reactants in the solvent, mixing, optionally heating the reaction medium, then isolation of the polymer, for example by filtration of the reaction medium.
- polymer having as recurring unit:
- R 2 identical or different, represent a hydrogen atom or a substituent
- An and Ar 2 independently represent an alkyl, alkenyl, cycloalkyl, aryl, arylalkyl group,
- the degree of polymerization is preferably between 2 and 100, better still between 2 and 50.
- the polymer is a polyamide
- the latter can be prepared by condensation of a chiral diphosphine carrying two aminomethyl functions with one or more dicarboxylic acids or activated derivatives thereof.
- the dicarboxylic acid advantageously corresponds to the following formula (Xb):
- the preferred meanings of J indicated above are also preferred meanings of W.
- the group W can be substituted by one or more halogen atoms or oxo groups, (C ⁇ -C 6 ) alkyl, (C ⁇ -C 6 ) alkoxy or di (C ⁇ -C 6 ) alkylamino.
- these dicarboxylic acids these are preferred:
- a particularly preferred group of dicarboxylic acids consists of the following acids: - succinic acid,
- the activated dicarboxylic acid derivative more generally denotes the dicarboxylic acid compound in which one or two of the carboxylic functions have been modified so as to increase their reactivity.
- Activated derivatives of dicarboxylic acid are for example obtained by formation of an anhydride bond or of a group -COY where Y is a halogen atom such as bromine or chlorine.
- activated derivatives of dicarboxylic acids are those carrying instead of carboxylic functions, -COT groups where T denotes an azide, imidazolide, p-nitrophenoxy, 1-benzotriazole, NO-succinimide, acyloxy group (such as pivaloyloxy). , (C 4 alkoxy) carbonyloxy, dialkyl- or dicycloalkyl-O-ureide.
- the condensation of diphosphine with dicarboxylic acid or its activated derivative is generally carried out in a solvent.
- dicarboxylic acid When dicarboxylic acid is used as such, it may be advantageous to carry out the condensation in the presence of a catalyst, for example a strong acid such as hydrochloric or sulfuric acid or else in the presence of a condensing agent such as those commonly used in peptide synthesis.
- a catalyst for example a strong acid such as hydrochloric or sulfuric acid or else in the presence of a condensing agent such as those commonly used in peptide synthesis.
- N-hydroxylated derivatives such as N-hydroxysuccinimide and 1-hydroxybenzotriazole
- disulfides such as dipyridyl 2,2'-disulfide
- succinic acid derivatives such as N, N'-disuccinimidyl carbonate
- phosphinic chlorides such as N, N'-bis- (2-oxo-3-oxazolidinyl) phosphinic chloride
- oxalates such as N, N'-disuccinimidyl oxalate (DSO), N, N'-diphtalimide oxalate (DPO), N, N'-bis (norbenomenylsuccinimidyl) oxalate (BNO), 1,1'-bis (benzotriazolyl) oxalate (BBTO), 1, 1'-bis (6-chlorobenzotriazolyle) oxalate (BCTO) or 1,1
- the reaction can take place over a wide temperature range. Depending on the reactivity of the reactants brought into contact, the reaction temperature varies between -20 ° C and 100 ° C.
- a relatively low temperature preferably between 0 ° C and 40 ° C, is sufficient.
- the temperature is preferably between 50 and 80 ° C.
- concentration of the reactants in the reaction medium is not decisive according to the invention. It can vary between 0.05 and 1 mol / l.
- the molar ratio of dicarboxylic acid or its activated derivative to diphosphine varies between 0.8 and 1.5, preferably between 0.9 and 1.2.
- a typical procedure, illustrating the preparation of a polyamide from a carboxylic acid chloride, is as follows.
- the polymer is filtered on sintered glass, washed with water and then with isopropanol.
- the preferred polyamides of the invention have a degree of polymerization of between 2 and 100, for example between 5 and 100, preferably between 2 and 50, better still, between 4 and 25.
- a preferred polymer is a polymer having as recurring unit: in which
- - Ri, R 2 identical or different, represent a hydrogen atom or a substituent
- An and Ar 2 independently represent an alkyl, alkenyl, cycloalkyl, aryl, arylalkyl group,
- the degree of polymerization is preferably between 2 and 100, better still between 2 and 50. Polyimides.
- the polymer when it is a polyimide, it can be prepared by condensation of a diphosphine carrying two aminomethyl functions with one or more tetracarboxylic acids or tetracarboxylic acid dianhydrides.
- the polyimides are prepared in two stages.
- a polyamide is formed. This step is, for example, carried out at a temperature of between 15 and 50 ° C, preferably between 20 and 30 ° C, in a polar aprotic solvent (such as an amide of the formamide, dimethylacetamide, N-methyl-2-pyrrolidinone, preferably dimethylacetamide).
- a polar aprotic solvent such as an amide of the formamide, dimethylacetamide, N-methyl-2-pyrrolidinone, preferably dimethylacetamide.
- the polyimide is formed.
- This second step can be carried out by treatment with a mixture of acetic anhydride and pyridine at a temperature between -100 ° C and 10 ° C, preferably between -78 and -50 ° C.
- the polymer can be a polyurethane.
- polyurethanes polyurethanes
- the polymer When the polymer is a polyurethane, it can be prepared by condensation of a chiral diphosphine carrying two hydroxyl or hydroxymethyl groups with a diisocyanate type monomer. In this case, catalysis with tin salt is often necessary.
- tin salt catalysis with tin salt is often necessary.
- the invention therefore relates to a process for the preparation of a polymer of the invention comprising the polymerization of a chiral diphosphine of formula (I '), with one or more polymerizable monomers, preferably of formula (X); said chiral phosphine consisting of a chiral body carrying two identical functional groups capable of reacting with said polymerizable monomers.
- the invention also relates to the racemic polymer corresponding to the optically active polymer of the invention.
- This polymer can be prepared simply by polymerization of the appropriate diphosphine with one or more polymerizable monomers, said diphosphine carrying two identical functional groups capable of reacting with said polymerizable monomers.
- the diphosphines used in this reaction are the racemic diphosphines corresponding to the preferred chiral diphosphines defined above.
- the racemic diphosphine consists of a racemic basic skeleton of formula (I ′) carrying two identical functional groups.
- the polymerizable monomers preferably used for this polymerization are those described above for the preparation of the optically active polymers.
- diphosphines obtained according to the methods of the invention as well as those which are insolublized in the form of a polymer as previously described can be used as ligands in the preparation of metal complexes intended for the asymmetric catalysis of hydrogenation and hydrosilylation reactions.
- hydroboration of unsaturated compounds epoxidation of allyl alcohols, vicinal hydroxylation, hydrovinylation, hydroformylation, cyclopropanation, isomerization of olefins, polymerization of propylene, addition of organometallic compounds to aldehydes, allylic alkylation, aldol-type reactions, Diels-Alder reactions and, generally, formation of CC bonds (such as allylic substitutions or Grignard cross couplings).
- An object of the invention is therefore new complexes comprising the chiral diphosphine of the invention or the optically active polymer as defined above and a transition metal.
- transition metals capable of forming complexes mention may in particular be made of metals such as rhodium, ruthenium, rhenium, iridium, cobalt, nickel, platinum, palladium.
- rhodium, ruthenium and iridium are preferred.
- the invention relates to the use of diphosphine optionally in insoluble form for the preparation of a metal complex of a transition metal intended for asymmetric catalysis, and more particularly of a ruthenium, iridium or rhodium complex.
- a metal complex of a transition metal intended for asymmetric catalysis and more particularly of a ruthenium, iridium or rhodium complex.
- P represents a ligand according to the invention, namely diphosphine or diphosphine insolubilized in the form of a polymer.
- a preferred group of rhodium and iridium complexes is defined by the formula:
- - P represents a ligand according to the invention
- - Y ⁇ represents an coordinating anionic ligand
- - Me represents iridium or rhodium
- - Lig represents a neutral ligand
- the particularly preferred ligands are those in which: - Lig represents an olefin having from 2 to 12 carbon atoms;
- - Y represents an anion PF 6 " , PCI 6 " , BF 4 “ , BCI 4 “ , SbF 6 ⁇ , SbCI 6 “ , BPh 4 “ , CI0 4 " , CN “ , CF3SO 3 " , halogen, preferably CI " or Br " , a 1, 3-diketonate, alkylcarboxylate, haloalkylcarboxylate anion with a group lower alkyl (preferably C ⁇ -C 6 ), a phenylcarboxylate or phenolate anion whose benzene ring can be substituted by lower alkyl groups (preferably C ⁇ -C 6 ) and / or halogen atoms.
- Lig 2 can represent two ligands Lig as defined above or a bidental ligand such as bidental ligand, linear or cyclic, polyunsaturated and comprising at least two unsaturations.
- Lig 2 represents 1, 5-cyclooctadiene, norbornadiene or that Lig represents ethylene.
- lower alkyl groups is generally meant a linear or branched alkyl group having from 1 to 4 carbon atoms.
- iridium complexes are those of formula:
- a preferred group of ruthenium complexes consists of the compounds of formula:
- - P represents a ligand according to the invention
- 2 identical or different, represent an anion PF 6 " , PCI 6 " , BF 4 “ , BCI 4 “ , SbF 6 “ , SbCI 6 “ , BPh 4 “ , CI0 4 “ , CF3SO3 “ , a halogen atom, more particularly chlorine or bromine or a carboxylate anion, preferably acetate, trifluoroacetate.
- ruthenium complexes are those corresponding to the following formula XIV: [RuY arPY, 4 ] (F 4 ) in which:
- - P represents a ligand according to the invention
- - Ar represents benzene, p-methylisopropylbenzene or hexamethylbenzene;
- - Y ⁇ 3 represents a halogen atom, preferably chlorine or bromine;
- - Y ⁇ 4 represents an anion, preferably an anion PF 6 " , PCI 6 “ , BF 4 “ , BCI 4 “ , SbF 6 “ , SbCI 6 “ , BPIV, CI0 4 “ , CF3SO3 “ .
- complexes based on palladium and platinum.
- Pd (hal) 2 P and Pt (hal) 2 P where P represents a ligand according to the invention and hal represents halogen such as, for example, chlorine.
- the complexes comprising a ligand according to the invention and the transition metal can be prepared according to the known methods described in the literature.
- the complexes are generally prepared from a precatalyst, the nature of which varies according to the transition metal selected.
- the precatalyst is for example one of the following compounds: [Rh '(CO) 2 CI] 2 ; [Rh '(COD) CI] 2 where COD denotes cyclooctadiene; or Rh '(acac) (CO) 2 where acac denotes acetylacetonate.
- ruthenium complexes particularly suitable precatalysts are bis- (2-methylallyl) -cycloocta-1, 5-diene ruthenium and [RuCI 2 (benzene)] 2 .
- RuCI 2 benzene
- COD Ru (COD) ( ⁇ 3 - (CH 2 ) 2 CHCH 3 ) 2 .
- a solution or suspension is prepared containing the metal precatalyst, a ligand and a perfectly degassed solvent such as acetone (the ligand concentration of the solution or suspension varying between 0.001 and 1 mol / l), to which a methanolic solution of hydrobromic acid is added.
- the ratio of ruthenium to bromine advantageously varies between 1: 1 and 1: 4, preferably between 1: 2 and 1: 3.
- the molar ratio of the ligand to the transition metal is about 1. It can be between 0.8 and 1.2.
- the complex is prepared by mixing the precatalyst, the ligand and an organic solvent and optionally maintaining at a temperature between 15 and 150 ° C for 1 minute to 24 hours, preferably 30 to 120 ° C for 10 minutes to 5 hours.
- solvent mention may be made of aromatic hydrocarbons (such as benzene, toluene and xylene), amides (such as formamide, dimethylformamide, dimethylacetamide, N-methyl-2-pyrrolidinone or hexamethylphosphorylamide), alcohols (such as ethanol, methanol, n-propanol and isopropanol) and their mixtures.
- the solvent is an amide, in particular dimethylformamide
- the mixture of the ligand the precatalyst and the solvent is heated to between 80 and 120 ° C.
- the reaction medium is heated to a temperature between 30 and 70 ° C.
- an aromatic hydrocarbon such as benzene
- an alcohol such as ethanol
- the catalyst is then recovered according to conventional techniques (filtration or crystallization) and used in asymmetric reactions.
- the reaction to be catalyzed by the complex thus prepared can be carried out without intermediate isolation of the catalyst complex.
- the unsaturated substrate in solution in a solvent comprising the catalyst, is placed under hydrogen pressure.
- the hydrogenation is for example carried out at a pressure varying between 1, 5 and 100 bar, and at a temperature between 20 ° C and 100 ° C.
- the reaction medium can consist of the reaction medium in which the catalyst was obtained.
- the hydrogenation reaction then takes place in situ.
- the catalyst is isolated from the reaction medium in which it was obtained.
- the reaction medium of the hydrogenation reaction consists of one or more solvents, in particular chosen from aliphatic alcohols in CrC 5 , such as methanol or propanol, and an amide as defined above, preferably dimethylformamide, optionally mixed with benzene.
- solvents in particular chosen from aliphatic alcohols in CrC 5 , such as methanol or propanol
- an amide as defined above preferably dimethylformamide, optionally mixed with benzene.
- perfectly degassed methanol and the substrate are added to the reaction medium containing the complex.
- the amount of methanol, or more generally of solvent, which can be added is such that the concentration of the substrate in the hydrogenation reaction medium is between 1.10 3 and 10 mol / l, preferably between 0.01 and 1 mol / l.
- the molar ratio of the substrate to the catalyst generally varies from 1/100 to 1/100000, preferably from 1/20 to 1/2000. This ratio is for example of 1/1000.
- the catalyst is separated from the reaction medium by nanofiltration or ultrafiltration.
- the nanofiltration technique is more particularly suitable for the case of polymer type catalysts.
- the application of this technique is for example illustrated in Tetrahedron: Asymmetry, vol. 8, n ° 12, 1975-1977, 1997.
- An advantage of the process of the invention is that the catalyst recovered can be easily recycled without loss of activity.
- the complexes of ruthenium, rhodium and iridium prepared from the ligands of the invention are more particularly suitable for the asymmetric catalysis of asymmetric hydrogenation reactions.
- the suitable substrates are of the ⁇ , ⁇ -unsaturated carboxylic acid type and / or derivatives of ⁇ , ⁇ -unsaturated carboxylic acid. These substrates are described in EP 95943260.0.
- the ⁇ , ⁇ -unsaturated carboxylic acid and / or its derivative more particularly corresponds to formula A:
- R r R 2 , R 3 and R 4 represent a hydrogen atom or any hydrocarbon group, insofar as:. if Ri is different from R 2 and different from a hydrogen atom then R 3 can be any hydrocarbon or functional group designated by R,. if Ri or R 2 represents a hydrogen atom and if Ri is different from R 2 , then R 3 is different from a hydrogen atom and different from -COOR 4 ,. if Ri is identical to R 2 and represents any hydrocarbon or functional group designated by R, then R 3 is different from -CH- (F?) 2 and different from -COOR 4
- one of the groups Ri, R 2 and R 3 can represent a functional group.
- a functional group there may be mentioned, inter alia, 2-methyl-2-butenoic acid.
- a first group of preferred substrates is formed by substituted acrylic acids which are precursors of amino acids and / or derivatives.
- substituted acrylic acids all of the compounds whose formula derives from that of acrylic acid by substitution of at most two of the hydrogen atoms carried by the ethylenic carbon atoms by a hydrocarbon group or by a functional group. They can be symbolized by the following chemical formula:
- R9, R9 identical or different, represent a hydrogen atom, a linear or branched alkyl group having from 1 to 12 carbon atoms, a phenyl group or an acyl group preferably having from 2 to 12 carbon atoms, a acetyl or benzoyl group,
- R g represents a hydrogen atom, an alkyl group having from 1 to 12 carbon atoms, a cycloalkyl group having from 3 to 8 carbon atoms, an arylalkyl group having from 6 to 12 carbon atoms, an aryl group having from 6 to 12 carbon atoms, a heterocyclic group having from 4 to 7 carbon atoms,
- R10 represents a hydrogen atom or a linear or branched alkyl group, having from 1 to 4 carbon atoms. We can cite more particularly:
- a second preferred group of substrates consists of itaconic acid and its derivatives of formula:
- R 1 1, R 12 identical or different, represent a hydrogen atom, a linear or branched alkyl group having from 1 to 12 carbon atoms, a cycloalkyl group having from 3 to 8 carbon atoms, an arylalkyl group having from 6 to 12 carbon atoms, an aryl group having 6 to 12 carbon atoms, a heterocyclic group having 4 to 7 carbon atoms.
- - R10, R'io identical or different, represent a hydrogen atom or a linear or branched alkyl group, having from 1 to 4 carbon atoms. As more specific examples, it may be mentioned in particular itaconic acid and dimethyl pitaconate.
- a third preferred group of substrates is defined by the formula (A3)
- R " ⁇ o represents a hydrogen atom or a linear or branched alkyl group, having from 1 to 4 carbon atoms.
- R13 represents a phenyl or naphthyl group, optionally carrying one or more substituents.
- substrates which lead by hydrogenation to 2- (3-benzoylphenyl) propionic acid (Ketoprofen ® ), 2- (4-isobutylphenyl) propionic acid (Ibuprofene ® ), 2- acid (5-methoxynaphthylpropionic (Naproxene ® ).
- ketone type substrates more preferably correspond to formula (B):
- - R 14 and R 15 represent a hydrocarbon group having from 1 to 30 carbon atoms optionally comprising one or more functional groups, - R14 and R 1 5 can form a ring optionally comprising another heteroatom.
- a preferred group of ketone compounds corresponds to formula (B) in which R14 and R15 represent independently of each other:
- an alkyl chain preferably Ci to C ⁇ 0 , possibly interrupted by one or more oxygen or sulfur atom (s) or carbonyl function (s) and optionally substituted by one or more halogen atoms or carboxyl groups, - an alkenyl or alkynyl chain, preferably at C 2 to C ⁇ 0 , possibly interrupted by one or more oxygen or sulfur atom (s) or carbonyl function (s) and optionally substituted by one or more atom (s) d 'halogen or carboxyl group (s); - an aryl group, preferably C 6 to C ⁇ 2 , optionally substituted by one or more halogen atom (s) or alkyl or alkenyl group (s);
- arylalkyl group preferably C 7 to C 5 , optionally substituted by one or more halogen atom (s);
- R ⁇ 5 substituents having an asymmetry center mention may be made of the R ⁇ 5 groups in which the carbon atom carrying the asymmetry center is substituted by a mono- or di-substituted amine function and by a function ester.
- the substrate is a ⁇ -ketoester (such as ethyl acetoacetate or methyl 3-oxovalerate), an ⁇ -ketoester (such as methyl benzoylformate or methyl pyruvate), a ketone (such as acetophenone), or an ⁇ , ⁇ -ethylenic carboxylic acid (such as itaconic acid) or an unsaturated amino acid or a derivative thereof (such as methyl 2-acetamidoacrylate).
- a ⁇ -ketoester such as ethyl acetoacetate or methyl 3-oxovalerate
- an ⁇ -ketoester such as methyl benzoylformate or methyl pyruvate
- a ketone such as acetophenone
- an ⁇ , ⁇ -ethylenic carboxylic acid such as itaconic acid
- unsaturated amino acid or a derivative thereof such as methyl 2-acetamidoacrylate
- the invention also relates to the use of the combination of a chiral diphosphine or an optically active polymer according to the invention with a diamine, chiral or not, for the selective reduction of ketones.
- a chiral diamine is used in this association.
- the diamines which can be used for this purpose are the optically active diamines described in WO 97/20789 and the corresponding racemic diamines.
- the diamine is 1, 2-diamino-1, 2-diphenylethane; 1,1-bis (p-methoxyphenyl) -2-methyl-1,2-diaminoethane; 1,1-bis (p-methoxyphenyl) -2-isobutyl-1,2-diaminoethane; or 1, 1-bis (p-methoxyphenyl) -2-isopropyl-1,2-diaminoethane.
- Examples of chiral diamines are more particularly those of formula:
- G is alkyl, for example methyl, isobutyl or isopropyl.
- ketones which can be reduced according to this process are those described above.
- the invention further relates to the use of the combination of a non-chiral diphosphine or a racemic polymer, according to the invention with a chiral diamine, for the selective reduction of ketones.
- the chiral diamine which can be used is as described in WO 97/20789, the ketones and the operating conditions being as defined above.
- the rhodium complexes prepared from the ligands of the invention are more particularly suitable for the asymmetric catalysis of isomerization reactions of olefins.
- ligand of formula (las) or the polymers derived therefrom such as polyurea, polyamide or polyimine intended for the asymmetric catalysis of hydrogenation reactions, forms a preferred object of the invention.
- the mixture is stirred while allowing to return to ambient temperature for 4 hours. 100 ml of water are then added.
- the organic phase is separated and the aqueous phase is extracted with CH 2 CI 2 .
- the combined organic phases are washed with saturated sodium bisulfite.
- the mixture is left to stir at 70 ° C. for 3 hours.
- the mixture is transferred to a separatory funnel, washed with water, sodium bisulfite, sodium bicarbonate and then brine.
- diphosphine (PO) in dibromo form is as follows:
- the mixture is dissolved in 70 mL of DMF and heated to reflux overnight.
- the mixture is cooled and then treated with a solution of ethylenediamine (25 mL) and water (25 mL).
- the mixture is stirred for 2 minutes, then 100 ml of water and 200 ml of toluene are added.
- the mixture is stirred for 5 minutes and then the aqueous phase is extracted once with toluene.
- the combined organic phases are washed successively with 1 time of water, 4 times of HCl, 1 time of brine, then 1 time of sodium bicarbonate.
- the product is purified on a column of silica gel with ethyl acetate / cyclohexane (4/6) as eluent.
- diphosphine (PO) in dicyane form is as follows:
- 5.5'-dicyanoBINAPO (420 mg, 0.6 mmol) is placed under an inert atmosphere in a dry 25 ml flask equipped with a condenser.
- Phenylsilane (8 mL, 64.8 mmol) is added and the suspension is degassed under reduced pressure (about 8 mm of mercury) and argon is introduced
- the mixture is heated to 130 ° C. and then the trichlorosilane is added in 3 portions (3 ⁇ 1 mL) after 1 h, 3 h and then 15 h; then stirred for another 2 hours.
- the mixture is cooled and then the product is evaporated until a white solid is obtained. This solid is washed with cyclohexane, filtered through a millipore and then dried under reduced pressure (about 8 mm of mercury).
- the product is dissolved in a mixture (1: 1) of 22.5 ml of THF and 22.5 ml of toluene.
- LiAIH (227.7 mg, 6 mmol) is then added in portions.
- the autoclave is then cooled and depressurized.
- the solution is filtered through celite and then analyzed by gas chromatography.
- the configuration of the corresponding alcohol obtained depends on the chirality of the ligand used.
- the mixture is then cooled and 20 ml of water and 40 ml of dichloromethane are added.
- diphosphine (f?) - 5,5'-perfluorohexylBINAPO is as follows:
- Degased phenylsilane (8 mL) is added. The mixture is heated to 130 ° C. and the trichlorosilane is added in 3 batches (3 ⁇ 1 ml) after 1, 3 and then 15 hours.
- diphosphine (f?) 5,5'-perfluorohexylBINAP is as follows:
- diamBINAP Preparation of a polyurea from fSJ-5,5'-diaminomethylBINAP (diamBINAP).
- the starting diamBINAP 200 mg, 0.29 mmol prepared according to the procedure described in examples 1 to 4 is placed in a 10 ml flask. This is dissolved in 2 ml of degassed anhydrous dichloromethane. 2,6-Diisocyanatotoluene (51 mg, 0.29 mmol) is added under argon. The solution is stirred for 12 hours and then 2 ml of degassed isopropanol are added.
- the solid is filtered and then washed with isopropanol.
- the polymer and the metal precatalyst, bis- (2-methylallyl) cycloocta-1,5-diene ruthenium, are weighed out in a 5 ml conical glass reactor with a dry conical bottom maintained under an inert atmosphere and equipped with a stirrer. 1: 1 polymer / metal molar ratio.
- Anhydrous and degassed ethanol is added to the reactor where the catalyst has just been prepared.
- the substrate is then added (in a defined catalyst / substrate ratio).
- the reactor is placed in an autoclave under 40 bars of hydrogen pressure and at 50 ° C. Agitation is maintained overnight.
- the reactor is recovered and then centrifuged.
- the supernatant solution is recovered and then analyzed by gas chromatography.
- the substrate is then added (in a defined catalyst / substrate ratio).
- the reactor is placed in an autoclave under 40 bars of hydrogen pressure and at 50 ° C. Stirring is continued for 6 hours.
- the reactor is recovered and then centrifuged.
- the supernatant solution is recovered and then analyzed by gas chromatography.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US10/539,640 US20070010695A1 (en) | 2002-12-18 | 2003-12-17 | Diphosphines, preparation and uses thereof |
EP03799617A EP1633477A1 (fr) | 2002-12-18 | 2003-12-17 | Diphosphines, leur preparation et leurs utilisations |
CA002509911A CA2509911A1 (fr) | 2002-12-18 | 2003-12-17 | Diphosphines, leur preparation et leurs utilisations |
AU2003299336A AU2003299336A1 (en) | 2002-12-18 | 2003-12-17 | Diphosphines, preparation and uses thereof |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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FR02/16086 | 2002-12-18 | ||
FR0216086A FR2849036B1 (fr) | 2002-12-18 | 2002-12-18 | Diphosphines chirales, leur preparation et leurs utilisations comme ligands dans la synthese de complexes destines a la catalyse asymetrique |
FR03/04392 | 2003-04-09 | ||
FR0304392A FR2853653B1 (fr) | 2003-04-09 | 2003-04-09 | Diphosphines chirales, leur preparation et leurs utilisations comme ligands dans la synthese de complexes destines a la catalyse asymetrique |
FR0305255A FR2854405B1 (fr) | 2003-04-29 | 2003-04-29 | Diphosphines chirales sous forme insoluble; leur preparation et leurs utilisations comme ligands dans la synthese de complexes destines a la catalyse asymetrique. |
FR03/05255 | 2003-04-29 |
Publications (1)
Publication Number | Publication Date |
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WO2004056483A1 true WO2004056483A1 (fr) | 2004-07-08 |
Family
ID=32685741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/FR2003/003782 WO2004056483A1 (fr) | 2002-12-18 | 2003-12-17 | Diphosphines, leur preparation et leurs utilisations |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070010695A1 (fr) |
EP (1) | EP1633477A1 (fr) |
AU (1) | AU2003299336A1 (fr) |
CA (1) | CA2509911A1 (fr) |
WO (1) | WO2004056483A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2873696A1 (fr) * | 2004-07-30 | 2006-02-03 | Rhodia Chimie Sa | Composes chimiques organophsophores ionique, utilisation comme ligand de catalyseur et procede de fabrication de composes nitriles |
JP2007077022A (ja) * | 2005-09-09 | 2007-03-29 | Nara Institute Of Science & Technology | ビナフチル誘導体およびその製造方法 |
US7285673B2 (en) * | 2005-06-27 | 2007-10-23 | E.I. Du Pont De Nemours And Company | Process for fluoro derivative-substituted aryl pnictogens and their oxides |
WO2008018195A1 (fr) * | 2006-08-09 | 2008-02-14 | Kyoeisha Chemical Co., Ltd. | Polymère présentant un groupe bis(diphénylphosphino)binaphthyle |
Citations (5)
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EP0235450A1 (fr) * | 1986-02-01 | 1987-09-09 | Takasago Perfumery Co., Ltd. | Composés de phosphines pour complexes catalyseurs de synthèses asymétriques |
EP0544455A1 (fr) * | 1991-11-21 | 1993-06-02 | Takasago International Corporation | Complexe soluble dans l'eau de binaphtylphosphine, substitué par desulfonates de métaux alcalins, avec métaux de transition et son utilisation dans un procédé d'hydrogénation enantiosélective |
US5990318A (en) * | 1998-03-06 | 1999-11-23 | The Hong Kong Polytechnic University | Soluble polyester-supported chiral phosphines |
WO2000049028A1 (fr) * | 1999-02-19 | 2000-08-24 | Rhodia Chimie | Procede de preparation de diphosphines chirales |
WO2000052081A1 (fr) * | 1999-03-01 | 2000-09-08 | Rhodia Chimie | Polymere lineaire optiquement actif utilisable comme ligand dans la preparation de complexes metalliques destines a la catalyse asymetrique |
-
2003
- 2003-12-17 WO PCT/FR2003/003782 patent/WO2004056483A1/fr not_active Application Discontinuation
- 2003-12-17 AU AU2003299336A patent/AU2003299336A1/en not_active Abandoned
- 2003-12-17 EP EP03799617A patent/EP1633477A1/fr not_active Ceased
- 2003-12-17 CA CA002509911A patent/CA2509911A1/fr not_active Abandoned
- 2003-12-17 US US10/539,640 patent/US20070010695A1/en not_active Abandoned
Patent Citations (5)
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EP0235450A1 (fr) * | 1986-02-01 | 1987-09-09 | Takasago Perfumery Co., Ltd. | Composés de phosphines pour complexes catalyseurs de synthèses asymétriques |
EP0544455A1 (fr) * | 1991-11-21 | 1993-06-02 | Takasago International Corporation | Complexe soluble dans l'eau de binaphtylphosphine, substitué par desulfonates de métaux alcalins, avec métaux de transition et son utilisation dans un procédé d'hydrogénation enantiosélective |
US5990318A (en) * | 1998-03-06 | 1999-11-23 | The Hong Kong Polytechnic University | Soluble polyester-supported chiral phosphines |
WO2000049028A1 (fr) * | 1999-02-19 | 2000-08-24 | Rhodia Chimie | Procede de preparation de diphosphines chirales |
WO2000052081A1 (fr) * | 1999-03-01 | 2000-09-08 | Rhodia Chimie | Polymere lineaire optiquement actif utilisable comme ligand dans la preparation de complexes metalliques destines a la catalyse asymetrique |
Non-Patent Citations (3)
Title |
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BIRDSALL D J ET AL: "Synthesis of fluoroalkyl-derivatised BINAP ligands", TETRAHEDRON LETTERS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 42, no. 48, 26 November 2001 (2001-11-26), pages 8551 - 8553, XP004319815, ISSN: 0040-4039 * |
FAN ET AL: "Preparation and use of MeO-PEG-supported chiral diphosphine ligands: soluble polymer-supported catalysts for asymmetric hydrogenation", TETRAHEDRON: ASYMMETRY, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 12, 2001, pages 1241 - 1247, XP002253891, ISSN: 0957-4166 * |
FAN Q-H ET AL: "Highly effective and recyclable dendritic BINAP ligands for asymmetric hydrogenation", CHEMICAL COMMUNICATIONS - CHEMCOM, ROYAL SOCIETY OF CHEMISTRY, GB, 2000, pages 789 - 790, XP002253892, ISSN: 1359-7345 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2873696A1 (fr) * | 2004-07-30 | 2006-02-03 | Rhodia Chimie Sa | Composes chimiques organophsophores ionique, utilisation comme ligand de catalyseur et procede de fabrication de composes nitriles |
US7285673B2 (en) * | 2005-06-27 | 2007-10-23 | E.I. Du Pont De Nemours And Company | Process for fluoro derivative-substituted aryl pnictogens and their oxides |
JP2007077022A (ja) * | 2005-09-09 | 2007-03-29 | Nara Institute Of Science & Technology | ビナフチル誘導体およびその製造方法 |
WO2008018195A1 (fr) * | 2006-08-09 | 2008-02-14 | Kyoeisha Chemical Co., Ltd. | Polymère présentant un groupe bis(diphénylphosphino)binaphthyle |
CN101501099B (zh) * | 2006-08-09 | 2011-10-05 | 共荣社化学株式会社 | 含双(二苯基膦基)联萘基团的聚合物 |
US9006484B2 (en) | 2006-08-09 | 2015-04-14 | Kyoeisha Chemical Co., Ltd. | Polymer having bis(diphenylphosphino)binaphthyl groups |
Also Published As
Publication number | Publication date |
---|---|
CA2509911A1 (fr) | 2004-07-08 |
AU2003299336A8 (en) | 2004-07-14 |
AU2003299336A1 (en) | 2004-07-14 |
US20070010695A1 (en) | 2007-01-11 |
EP1633477A1 (fr) | 2006-03-15 |
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