WO2003076396A1 - PROCESS FOR PRODUCING ß-AMINOKETONE AND CATALYST THEREFOR - Google Patents
PROCESS FOR PRODUCING ß-AMINOKETONE AND CATALYST THEREFOR Download PDFInfo
- Publication number
- WO2003076396A1 WO2003076396A1 PCT/JP2003/002715 JP0302715W WO03076396A1 WO 2003076396 A1 WO2003076396 A1 WO 2003076396A1 JP 0302715 W JP0302715 W JP 0302715W WO 03076396 A1 WO03076396 A1 WO 03076396A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- catalyst
- transition metal
- salt
- reaction
- aminoketone
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C269/06—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups by reactions not involving the formation of carbamate groups
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/06—Halogens; Compounds thereof
- B01J27/128—Halogens; Compounds thereof with iron group metals or platinum group metals
- B01J27/13—Platinum group metals
-
- 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
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/28—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of the platinum group metals, iron group metals or copper
- B01J31/30—Halides
Definitions
- the invention of this application relates to a method for producing) 3-aminoketone and its catalyst. More specifically, the invention of this application is a new method that can synthesize / 3 _ aminoketone useful as a raw material or synthetic intermediate of pharmaceuticals, flavors, agricultural chemicals, polymers, etc. by Aza-Michael reaction with high efficiency. A new catalyst for the Aza-Michael reaction, useful for this method. Background art
- the invention of this application solves the above-mentioned problems of the prior art and provides a new technical measure that can synthesize various / 3-aminoketones with high yield and efficiency by Aza-Michael reaction.
- the task is to do so. Disclosure of the invention
- the invention of this application solves the above-mentioned problems.
- a reaction system is used.
- a method for producing a 3-aminoketone characterized in that a salt or a hydrate salt of a transition metal belonging to Groups 7 to 11 of the periodic table is present as a catalyst.
- the invention of this application is characterized in that the transition metal salt or the hydrate salt is a transition metal halide or perhalate or a hydrate thereof.
- the transition metal is at least one of Fe, Ru, Rh, Re, Os, Ir, Pt, and Au. And a method for producing the same.
- the invention of this application is a catalyst for a conjugate addition reaction of a nitrogen nucleophile to an ⁇ , i3-unsaturated compound, wherein the transition belongs to Group 7 to Group 11 of the periodic table.
- the present invention provides a catalyst characterized by being a metal salt or a hydrate salt.
- the fifth feature is that the transition metal salt or hydrate salt is a transition metal halide or a perhalate salt or a hydrate thereof.
- the above-mentioned catalyst is characterized in that the transition metal is Fe, Ru, Rh, Re, Os, Ir, Pt and Au.
- any one of the above-mentioned catalysts which is a catalyst for a conjugate addition reaction of a carbamate compound to a ⁇ -unsaturated ketone compound.
- the catalyst of the present invention is provided.
- a 3-aminoketone is synthesized from an ⁇ , ⁇ -unsaturated ketone compound and a carbamate compound by the Aza-Michael reaction.
- Q! / 3 / 3-unsaturated ketone compound is used.
- R 1 and R 2 are the same or different and each represents a hydrocarbon group which may have a substituent
- R 2 and R 3 are the same or different and each represents hydrogen
- RR 2 , R 3 and R 4 indicate that any of them may be bonded as a carbon chain to form a ring
- the carbamate compound may be represented, for example, by the following formula: W
- R 5 in the formula is a hydrogen atom or hydrocarbon group which may have a substituent
- R 6 represents a may have a substituent hydrocarbon group and, R 5 And R 6 may be linked as a carbon chain to form a ring
- the hydrocarbon group may be an aliphatic or alicyclic saturated or unsaturated hydrocarbon group, an aromatic group, or a heterocyclic group. These are the same as those in the case of a heterocyclic group.
- the reaction may have various substituents such as a hydrocarbon group and an alkoxy group.
- the 3-aminoketone represented by is obtained.
- the invention of this application is characterized in that a salt or a hydrate salt of a transition metal from Group 7 to Group 11 of the periodic table is used as a reaction catalyst.
- the hydrate salt means a hydrate of a salt of a transition metal.
- Transition metals from Group 7 to Group 11 include Fe, Co, Ni, Mn, Cu, Ru, Rh, Pd, Ag, Re, Os, Ir, P Although there are t, Au, etc., in the invention of this application, Fe, Ru, Rh, Re, Os, Ir, Pt: and Au are more preferable. Is exemplified.
- an inorganic acid salt of these transition metals, a hydrate thereof, or an organic acid salt is used. More preferably, halides or perhalates of these transition metals and hydrates of these salts are considered.
- the molar ratio of 0 !, / 3—unsaturated ketone compound to olebamate compound should generally be in the range of 1:10 to 10: 1.
- the above catalyst has a molar ratio of about 0.01 to 0.5 times based on the ⁇ , 3-unsaturated ketone compound.
- a solvent may be used in the reaction, and examples thereof include halogenated hydrocarbon solvents such as dichloromethane, and aromatic hydrocarbons such as toluene.
- the reaction can usually be carried out in a temperature range of about 10 to 50, for example about 18 to 25, and may be in the air or in an inert gas atmosphere. Normal pressure may be used, and pressurized or depressurized conditions may be appropriately adopted.
- the transition metal salt catalyst effectively used in the synthesis reaction of monoaminoketone as described above is a combination of monoaminoketone. It is effective as a catalyst for a conjugate addition reaction of ⁇ , / 3-unsaturated compounds with a nitrogen nucleophile, without limitation.
- the invention of the present application provides a new method and a catalyst capable of synthesizing various / 3-aminoketones by Aza-Michael reaction with high yield and high efficiency.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/507,027 US7164043B2 (en) | 2002-03-08 | 2003-03-07 | Process for producing β-aminoketone and catalyst therefor |
| EP03710274A EP1491525B1 (en) | 2002-03-08 | 2003-03-07 | Process for producing beta-aminoketone and catalyst therefor |
| DE60333910T DE60333910D1 (de) | 2002-03-08 | 2003-03-07 | Verfahren zur herstellung von beta-aminoketon und katalysator dafür |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002064480A JP3824950B2 (ja) | 2002-03-08 | 2002-03-08 | β−アミノケトンの製造方法 |
| JP2002-064480 | 2002-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2003076396A1 true WO2003076396A1 (en) | 2003-09-18 |
Family
ID=27800218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/002715 Ceased WO2003076396A1 (en) | 2002-03-08 | 2003-03-07 | PROCESS FOR PRODUCING ß-AMINOKETONE AND CATALYST THEREFOR |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7164043B2 (ja) |
| EP (1) | EP1491525B1 (ja) |
| JP (1) | JP3824950B2 (ja) |
| DE (1) | DE60333910D1 (ja) |
| WO (1) | WO2003076396A1 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7754898B2 (en) * | 2004-01-23 | 2010-07-13 | Japan Science And Technology Agency | Method of enantioselective nucleophilic addition reaction of enamide to imine and synthesis method of α-amino-γ-keto acid ester |
| CN103073454A (zh) * | 2011-10-25 | 2013-05-01 | 中国科学院兰州化学物理研究所 | 一种β-氨基羰基化合物、β-巯基酮、β-烷氧基酮的合成方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4410526A (en) * | 1981-11-20 | 1983-10-18 | Syntex (U.S.A.) Inc. | Oxazolidin-2-one prostaglandin compounds |
-
2002
- 2002-03-08 JP JP2002064480A patent/JP3824950B2/ja not_active Expired - Fee Related
-
2003
- 2003-03-07 EP EP03710274A patent/EP1491525B1/en not_active Expired - Lifetime
- 2003-03-07 WO PCT/JP2003/002715 patent/WO2003076396A1/ja not_active Ceased
- 2003-03-07 US US10/507,027 patent/US7164043B2/en not_active Expired - Fee Related
- 2003-03-07 DE DE60333910T patent/DE60333910D1/de not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4410526A (en) * | 1981-11-20 | 1983-10-18 | Syntex (U.S.A.) Inc. | Oxazolidin-2-one prostaglandin compounds |
Non-Patent Citations (4)
| Title |
|---|
| GAUNT M.J. ET AL.: "Derailing the Wacker oxidation: development of a palladium-catalyzed amidation reaction", ORGANIC LETTERS, vol. 3, no. 1, 2001, pages 25 - 28, XP002968840 * |
| ORG. LETT., vol. 3, 2001, pages 25 |
| See also references of EP1491525A4 |
| WABNITZ T.C. ET AL.: "Convenient synthesis of Cbz-protected beta-amino ketones by a copper-catalyzed conjugate addition reaction", TETRAHEDRON LETTERS, vol. 43, no. 21, 2002, pages 3891 - 3894, XP004352432 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20050124831A1 (en) | 2005-06-09 |
| JP3824950B2 (ja) | 2006-09-20 |
| EP1491525B1 (en) | 2010-08-25 |
| US7164043B2 (en) | 2007-01-16 |
| JP2003261528A (ja) | 2003-09-19 |
| EP1491525A4 (en) | 2006-09-20 |
| DE60333910D1 (de) | 2010-10-07 |
| EP1491525A1 (en) | 2004-12-29 |
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