IL46108A - Optically active 1,2-bis(disubstituted phosphino) ethane compounds,catalysts comprising them and asymmetric hydrogen-ation of -substituted - -acylamidoacrylic acids in the presence of these catalysts - Google Patents

Optically active 1,2-bis(disubstituted phosphino) ethane compounds,catalysts comprising them and asymmetric hydrogen-ation of -substituted - -acylamidoacrylic acids in the presence of these catalysts

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Publication number
IL46108A
IL46108A IL7446108A IL4610874A IL46108A IL 46108 A IL46108 A IL 46108A IL 7446108 A IL7446108 A IL 7446108A IL 4610874 A IL4610874 A IL 4610874A IL 46108 A IL46108 A IL 46108A
Authority
IL
Israel
Prior art keywords
catalysts
ation
bis
substituted
optically active
Prior art date
Application number
IL7446108A
Other languages
English (en)
Other versions
IL46108A0 (en
Original Assignee
Monsanto Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of IL46108A0 publication Critical patent/IL46108A0/xx
Publication of IL46108A publication Critical patent/IL46108A/xx

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Classifications

    • 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
    • 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
    • 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
    • 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
    • B01J31/2409—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom
    • 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
    • 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
    • B01J31/2409—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom
    • B01J31/2414—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom comprising aliphatic or saturated rings
    • 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
    • C07F15/0073—Rhodium compounds
    • 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
    • C07F15/0073—Rhodium compounds
    • C07F15/008—Rhodium 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
    • 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
    • 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
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • 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
    • 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
    • B01J2531/821—Ruthenium
    • 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
    • B01J2531/822—Rhodium
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • 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)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IL7446108A 1973-12-03 1974-11-22 Optically active 1,2-bis(disubstituted phosphino) ethane compounds,catalysts comprising them and asymmetric hydrogen-ation of -substituted - -acylamidoacrylic acids in the presence of these catalysts IL46108A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42146373A 1973-12-03 1973-12-03
US05/514,987 US4008281A (en) 1973-12-03 1974-10-15 Asymmetric catalysis

Publications (2)

Publication Number Publication Date
IL46108A0 IL46108A0 (en) 1975-02-10
IL46108A true IL46108A (en) 1978-10-31

Family

ID=27025254

Family Applications (1)

Application Number Title Priority Date Filing Date
IL7446108A IL46108A (en) 1973-12-03 1974-11-22 Optically active 1,2-bis(disubstituted phosphino) ethane compounds,catalysts comprising them and asymmetric hydrogen-ation of -substituted - -acylamidoacrylic acids in the presence of these catalysts

Country Status (23)

Country Link
US (2) US4008281A (no)
JP (1) JPS5410352B2 (no)
BE (1) BE822848A (no)
BR (1) BR7410074A (no)
CA (1) CA1051912A (no)
CH (1) CH601142A5 (no)
DE (2) DE2456937C3 (no)
DK (3) DK139873B (no)
FI (2) FI60215C (no)
FR (1) FR2253026B1 (no)
GB (1) GB1466803A (no)
HU (1) HU172991B (no)
IL (1) IL46108A (no)
IN (2) IN145549B (no)
IT (1) IT1026717B (no)
MX (3) MX5144E (no)
NL (1) NL166692C (no)
NO (2) NO744324L (no)
PL (1) PL107722B1 (no)
RO (1) RO72485A (no)
SE (2) SE421316B (no)
SU (1) SU663273A3 (no)
YU (1) YU318874A (no)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124533A (en) * 1971-03-08 1978-11-07 Monsanto Company Metal coordination complexes containing optically active phosphine or arsine ligands
SU731892A3 (ru) * 1974-10-15 1980-04-30 Монсанто Компани (Фирма) Способ получени оптических изомеров -замещенных -ациламидопропионовых кислот
US4515731A (en) * 1975-08-25 1985-05-07 Monsanto Company Asymmetric catalysis
US4115417A (en) * 1975-10-16 1978-09-19 Hoffmann-La Roche Inc. Asymmetric hydrogenation catalyzed by rhodium complexes of chiral tertiary phosphines
US4166824A (en) * 1977-06-14 1979-09-04 American Cyanamid Company Chiral rhodium-diphosphine catalyst capable of catalytic reduction of a tetramisole precursor to give a significant excess of the desired S-(-)isomer, levamisole
US4120870A (en) * 1977-07-18 1978-10-17 Hoffmann-La Roche Inc. Metal phosphine complex
IT1087963B (it) * 1977-10-17 1985-06-04 Snam Progetti Idrogenazione asimmetrica di olefine prochirali mediante complessi di metalli di transazione immobilizzati in minerali argillosi.
US4880793A (en) * 1978-07-24 1989-11-14 Merck & Co., Inc. Combination of thienamycin-type antibiotics with dipeptidase inhibitors
ZA793744B (en) * 1978-07-24 1981-02-25 Merck & Co Inc Z-2-acylamino-3-monsosubstituted propenoates
US5147868A (en) * 1978-07-24 1992-09-15 Merck & Co., Inc. Thienamycin renal peptidase inhibitors
US4616038A (en) * 1978-07-24 1986-10-07 Merck & Co., Inc. Combination of thienamycin-type antibiotics with dipeptidase inhibitors
US4302401A (en) * 1980-01-23 1981-11-24 Exxon Research & Engineering Co. Tetraalkyl phosphonium substituted phosphine and amine transition metal complexes
GB2086906B (en) * 1979-02-12 1983-08-17 Exxon Research Engineering Co Carbonylation process and novel transition metal catalysts
US4204997A (en) * 1979-03-19 1980-05-27 Monsanto Company Asymmetric amination of 1,3-dienes
US4539208A (en) * 1980-09-17 1985-09-03 Merck & Co., Inc. Combination of thienamycin-type antibiotics with dipeptidase inhibitors
DE3000445C2 (de) * 1980-01-08 1982-12-02 Degussa Ag, 6000 Frankfurt Rhodiumkomplexe und deren Verwendung
US4473505A (en) * 1980-02-12 1984-09-25 Exxon Research And Engineering Co. Phosphine and phosphonium compounds and catalysts
US4331818A (en) * 1980-03-19 1982-05-25 The Procter & Gamble Company Chiral phospine ligand
DE3018388A1 (de) * 1980-05-14 1981-11-19 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von optisch aktiven verbindungen und deren verwendung zur herstellung von vitamin e
DE3039053C2 (de) * 1980-10-16 1984-05-24 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von Dipeptiden
US4376870A (en) * 1980-12-05 1983-03-15 Monsanto Company Optically active phosphine compounds
US4343741A (en) * 1981-04-22 1982-08-10 Hoffmann-La Roche Inc. Chiral phosphines
US4393240A (en) * 1981-07-06 1983-07-12 Stille John K Optically active phosphines
US4359596A (en) * 1981-08-03 1982-11-16 Exxon Research And Engineering Co. Liquid salt extraction of aromatics from process feed streams
US4422975A (en) * 1981-08-03 1983-12-27 Exxon Research And Engineering Co. Organic salt compositions in extraction processes
US4440634A (en) * 1981-08-03 1984-04-03 Exxon Research And Engineering Co. Organic salt compositions in extraction processes
JPS5849179A (ja) * 1981-09-17 1983-03-23 ブラザー工業株式会社 ２本針ミシンの制御装置
JPS6061587A (ja) * 1983-09-16 1985-04-09 Takasago Corp ロジウム−ホスフイン錯体
US4766226A (en) * 1984-02-01 1988-08-23 Smithkline Beckman Corporation Antitumor pharmaceutical compositions and methods for treating tumors employing α,ω-bis(disubstitutedphosphino)hydrocarbon derivatives or [α, ω-bis(disubstitutedphosphino)hydrocarbon] di
US4857549A (en) * 1984-02-01 1989-08-15 Smithkline Beckman Corporation Antitumor compounds
JPS6163690A (ja) * 1984-09-04 1986-04-01 Takasago Corp ルテニウム−ホスフイン錯体
US5011995A (en) * 1987-07-28 1991-04-30 Ciba-Geigy Corporation Process for the preparation of optically active secondary amines
US4912221A (en) * 1988-10-27 1990-03-27 Occidental Chemical Corporation Chiral 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid and precursors and preparation thereof
JPH0623150B2 (ja) * 1988-11-15 1994-03-30 高砂香料工業株式会社 光学活性３−ヒドロキシブタン酸類の製造方法
US5198561A (en) * 1989-06-22 1993-03-30 Monsanto Company Ruthenium-BINAP asymmetric hydrogenation catalyst
US5233084A (en) * 1989-06-22 1993-08-03 Monsanto Company Method for preparing α-arylpropionic acids
US5202474A (en) * 1989-06-22 1993-04-13 Monsanto Company Asymmetric catalytic hydrogenation of α-arylpropenoic acids
DE59208769D1 (de) * 1991-05-03 1997-09-11 Hoechst Ag Verfahren zur enantioselektiven Synthese von 2(R)-Benzylbernsteinsäuremonoamid-Derivaten
US5744655A (en) * 1996-06-19 1998-04-28 The Dow Chemical Company Process to make 2,3-dihalopropanols
JP2972887B1 (ja) * 1998-10-29 1999-11-08 千葉大学長 光学活性ビスホスフィノメタン並びにそれらのロジウム又は銅錯体を用いる不斉合成
GB9823716D0 (en) 1998-10-29 1998-12-23 Isis Innovation Diphosphines
EP1140751B1 (en) 1998-12-18 2004-03-24 Dow Global Technologies Inc. Process for making 2,3-dihalopropanols
GB0004297D0 (en) 2000-02-23 2000-04-12 Ucb Sa 2-oxo-1 pyrrolidine derivatives process for preparing them and their uses
FR2887253A1 (fr) * 2005-06-20 2006-12-22 Phosphoenix Sarl Nouvelles arylphosphines p chirales ortho-fonctionnalisees et derives: leur preparation et utilisation en catalyse asymetrique
GB0707379D0 (en) * 2007-03-28 2007-05-23 Celtic Catalysts Ltd Chiral phosphorus compounds
US20210291156A1 (en) * 2018-06-08 2021-09-23 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College Catalyst compositions for hydroformylation and methods of use thereof
CN110396072B (zh) * 2019-09-02 2022-09-13 上海欣海健伟实业有限公司 (s)-3-羟基四氢呋喃的制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE615636A (no) * 1961-03-29 1900-01-01
US3145227A (en) * 1961-06-14 1964-08-18 American Cyanamid Co Organic phosphine oxides and methods of preparing same
US3849480A (en) * 1968-09-09 1974-11-19 Monsanto Co Catalytic asymmetric hydrogenation
US3657298A (en) * 1970-01-06 1972-04-18 Pressure Chemical Co Arsenic and phosphorus containing polydentates
NL155004B (nl) 1970-05-11 1977-11-15 Monsanto Co Werkwijze voor het asymmetrisch hydrogeneren van een eventieel beta-gesubstitueerd alfa-acylaminoacrylzuur en/of een zout daarvan, alsmede werkwijze voor de bereiding van een katalysatoroplossing.
FR2116905A5 (fr) * 1970-12-10 1972-07-21 Inst Francais Du Petrole Nouveaux coordinats bidentes,leur fabrication et leurs applications
US4124533A (en) * 1971-03-08 1978-11-07 Monsanto Company Metal coordination complexes containing optically active phosphine or arsine ligands
US3780112A (en) * 1972-08-09 1973-12-18 Union Carbide Corp Substituted ethylene bis(phosphine oxides)
FR2230654B1 (no) * 1973-05-21 1975-11-21 Rhone Poulenc Ind

Also Published As

Publication number Publication date
NO802008L (no) 1975-06-04
JPS5410352B2 (no) 1979-05-04
RO72485A (ro) 1982-12-06
BR7410074A (pt) 1976-06-08
SE8104949L (sv) 1981-08-21
NL166692C (nl) 1981-09-15
DE2456937B2 (de) 1980-09-04
DE2463010C2 (de) 1982-11-25
DK139873B (da) 1979-05-07
NL7415583A (nl) 1975-06-05
DK245376A (da) 1976-06-03
DE2456937C3 (de) 1981-07-16
HU172991B (hu) 1979-01-28
CH601142A5 (no) 1978-06-30
FR2253026B1 (no) 1978-05-05
DE2456937A1 (de) 1975-06-26
JPS50113489A (no) 1975-09-05
IL46108A0 (en) 1975-02-10
IN145550B (no) 1978-11-04
PL107722B1 (pl) 1980-02-29
IT1026717B (it) 1978-10-20
YU318874A (en) 1982-10-31
FI348774A (no) 1975-06-04
MX149399A (es) 1983-11-03
FI802271A (fi) 1980-07-17
MX148257A (es) 1983-04-04
US4008281A (en) 1977-02-15
MX5144E (es) 1983-04-04
AU7594574A (en) 1976-06-03
SE7415029L (no) 1975-06-04
DK139873C (no) 1979-10-01
NL166692B (nl) 1981-04-15
DK245476A (da) 1976-06-03
SE421316B (sv) 1981-12-14
SU663273A3 (ru) 1979-05-15
IN145549B (no) 1978-11-04
FI63216B (fi) 1983-01-31
FI60215C (fi) 1981-12-10
FR2253026A1 (no) 1975-06-27
FI63216C (fi) 1983-05-10
BE822848A (fr) 1975-06-02
GB1466803A (en) 1977-03-09
US4220590A (en) 1980-09-02
NO744324L (no) 1975-06-30
CA1051912A (en) 1979-04-03
DK625274A (no) 1975-07-28
FI60215B (fi) 1981-08-31

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