WO1999033816A1 - NOUVEAU PROCEDE DE PRODUCTION DE 3-HYDROXY-η-BUTYROLACTONE - Google Patents
NOUVEAU PROCEDE DE PRODUCTION DE 3-HYDROXY-η-BUTYROLACTONE Download PDFInfo
- Publication number
- WO1999033816A1 WO1999033816A1 PCT/JP1998/005518 JP9805518W WO9933816A1 WO 1999033816 A1 WO1999033816 A1 WO 1999033816A1 JP 9805518 W JP9805518 W JP 9805518W WO 9933816 A1 WO9933816 A1 WO 9933816A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hydroxy
- butyrolactone
- producing
- derivative
- group
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
Definitions
- the present invention relates to a novel method for producing a 3-hydroxy-1- ⁇ -petit-mouth lactone derivative useful as a synthetic intermediate for pharmaceuticals, agricultural chemicals, and the like.
- a method for producing a 3-hydroxy- ⁇ -petit ratatatone derivative is used as an intermediate in the synthesis of pharmaceuticals, agricultural chemicals, and the like, and the following methods are known for the production method. That is, (i) a method of reacting 3-hydroxy-1- ⁇ -butyrolactone with lithium diisopropylamide to produce dianion and adding an alkylating agent (J. Org. Chem., 46, 4319 (1989) )), (Ii) a method using 2-butenoic acid as a raw material to derive a 3-hydroxy-1- ⁇ -butyrolactone derivative (J. Chem. Res. (S), 274 (1996)). .
- the present invention relates to a method for producing a 3-hydroxy-1- ⁇ -butyrolactone derivative useful as a synthetic intermediate for pharmaceuticals, agricultural chemicals, etc., that is, treating 3-hydroxy-1- ⁇ -butyrolactone with a metal salt of hexamethyldisilazane. Reacting with an electrophile in the presence of a reaction accelerator according to the following formula
- R is an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group forming a 3 to 6-membered ring, an aralkyl group, a 2-alkenyl group, an acyl group, an ⁇ -hydroxyalkyl group, an alkoxycarbonylalkyl group or
- the present invention relates to a novel method for producing a 3-hydroxy-1V-butyrolactone derivative represented by the following formula: The method of the present invention is shown in the following reaction process diagram.
- a metal salt of xamethyldisilazane is allowed to act on 3-hydroxy-1- ⁇ -butyrolactone under cooling in the presence of an inert gas such as argon or nitrogen gas to produce anion.
- an inert gas such as argon or nitrogen gas to produce anion.
- the desired compound (1) can be produced by adding an electrophile in the presence of a reaction accelerator, if necessary.
- the metal salt of hexamethyldisilazane used is lithium hexamethyldisilazane.
- Razide, sodium hexamethyldisilazide, potassium hexamethyldisilazide and the like are preferable, and lithium hexamethyldisilazide and sodium hexamethyldisilazide are preferable.
- the amount of the metal salt to be used is 2 to 4 equivalents, preferably 2 to 2.5 equivalents, based on the substrate.
- Examples of the electrophilic agent in this reaction include haloalkyl-based reagents such as alkynolenolides having 1 to 6 carbon atoms, cycloalkyl halides that form a 3- to 6-membered ring, aralkylnolides, 2-alkenyl halides, aldehyde-based reagents, and ketones.
- Force of using a system-based reagent, an ester-based reagent, an ⁇ - haloester-based reagent, a carbonate ester-based reagent, and a sulfonate-based reagent are preferably haloalkyl-based reagents.
- examples of the haloalkyl-based reagent include methyl chloride, isopropyl lip, cyclopropyl methyl lip, pentyl methyl lip, silk hexyl benzyl and benzyl lip.
- Alkyl chloride reagents such as acrylyl chloride, methacrylic chloride, methyl bromide, isopropyl bromide, cyclopropynolemethy / rev amide, cyclopentinolemethinolev amide, cyxenohexyl amide
- Alkyl bromide reagents such as benzylbutamide, arylbromide, and metharylpromide, methyl iodide, isopropyl iodide, cyclopropyl methyl iodide, cyclopentylmethyl iodide, cyclohexyl iodide, benzyl iodide, and benzyl iodide
- Alkyl iodide such as acrylyl iodide and metharyl iodide Medicines.
- Particularly preferred haloalkyl-based reagents are methyl i
- aldehyde-based reagent examples include formaldehyde, acetoaldehyde, benzaldehyde, and cinnanyl aldehyde.
- ketone-based reagent examples include acetone, getyl ketone, buracetone, and benzophenone.
- ester-based reagent examples include methyl acetate, ethyl acetate, ethyl propionate, and ethyl benzoate.
- ⁇ -haloester-based reagents include ethyl bromoacetate and bromovinegar. And ethyl 2-bromopropionate.
- the carbonate-based reagent examples include dimethyl carbonate, getyl carbonate, diphenyl carbonate, methyl methyl carbonate, methyl ethyl carbonate, and phenyl carbonate.
- sulfonate-based reagents include, for example, p-toluenesulfonate such as methyl p-toluenesulfonate, ethyl p-toluenesulfonate, and glycidyl p-toluenesulfonate; 3-nitrobenzenesulfonic acid esters such as 3-nitrobenzenes / glycidinole phonate.
- the amount of the electrophile used is 1 to 4 equivalents to the substrate, but preferably 1 to 2 equivalents.
- Solvents used in this reaction include aprotic polar solvents such as N, N-dimethylformamide and dimethyl sulfoxide, tetrahydrofuran, 1,4-dioxane, 1,2-dimethoxyethane, diglyme, triglyme, and diethylene glycol monomethyi / reate.
- aprotic polar solvents such as N, N-dimethylformamide and dimethyl sulfoxide
- tetrahydrofuran 1,4-dioxane
- 1,2-dimethoxyethane diglyme, triglyme, and diethylene glycol monomethyi / reate.
- ether solvents such as one ter
- halogen solvents such as dichloromethane and 1,2-dichloroethane
- Tetrahydrofuran and 1,2-dimethoxyethane are preferred solvents in terms of improving the yield.
- the reaction temperature is between 100 ° C. and the
- the reaction is promoted by adding a reaction accelerator, whereby the target compound (1) can be produced in a short time and with high yield.
- reaction accelerator examples include 1,3-dimethyl-12-imidazolidinone, 1,3-dimethyl-1,3,4,5,6-tetrahydro-12-pyrimidinone and tetramethylethylenediamine, and preferably 1,3 —Dimethyl-1-imidazolidinone and 1,3-dimethyl-1,3,4,5,6-tetrahydro-1-pyrimidinone.
- the addition amount is 1 to 20 equivalents, preferably 2 to 10 equivalents, based on the substrate.
- the starting compound and the target compound (1) used in the method of the present invention have an asymmetric carbon atom, and an optically active target can be used to produce an optically active target compound.
- an optically active target can be used to produce an optically active target compound.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Furan Compounds (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98957202A EP1048662B1 (en) | 1997-12-26 | 1998-12-07 | Novel process for producing 3-hydroxy-gamma-butyrolactone derivatives |
CA002317043A CA2317043A1 (en) | 1997-12-26 | 1998-12-07 | Novel process for producing 3-hydroxy-.gamma.-butyrolactone derivatives |
US09/582,329 US6268515B1 (en) | 1997-12-26 | 1998-12-07 | Process for producing 3-hydroxy-γ-butyrolactone derivatives |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9/359452 | 1997-12-26 | ||
JP35945297A JP3180749B2 (ja) | 1997-12-26 | 1997-12-26 | 3−ヒドロキシ−γ−ブチロラクトン誘導体の新規製法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999033816A1 true WO1999033816A1 (fr) | 1999-07-08 |
Family
ID=18464573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/005518 WO1999033816A1 (fr) | 1997-12-26 | 1998-12-07 | NOUVEAU PROCEDE DE PRODUCTION DE 3-HYDROXY-η-BUTYROLACTONE |
Country Status (5)
Country | Link |
---|---|
US (1) | US6268515B1 (ja) |
EP (1) | EP1048662B1 (ja) |
JP (1) | JP3180749B2 (ja) |
CA (1) | CA2317043A1 (ja) |
WO (1) | WO1999033816A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070181781A1 (en) * | 2001-03-06 | 2007-08-09 | Digital Optics Corporation | Integrated optical transceiver |
US9326412B2 (en) * | 2012-11-16 | 2016-04-26 | Shimano Inc. | Bicycle electric control device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB600865A (en) * | 1945-10-12 | 1948-04-21 | Lilly Co Eli | Improvements in or relating to a process of preparing butyrolactones |
US3928581A (en) * | 1972-09-13 | 1975-12-23 | Astra Laekemedel Ab | Certain polymer-iron complexes for treatment of iron deficiency |
US4056672A (en) * | 1973-03-22 | 1977-11-01 | Astra Lakemedel Aktiebolag | Polymer prepared by cyanhydrin method |
-
1997
- 1997-12-26 JP JP35945297A patent/JP3180749B2/ja not_active Expired - Fee Related
-
1998
- 1998-12-07 WO PCT/JP1998/005518 patent/WO1999033816A1/ja active IP Right Grant
- 1998-12-07 CA CA002317043A patent/CA2317043A1/en not_active Abandoned
- 1998-12-07 EP EP98957202A patent/EP1048662B1/en not_active Expired - Lifetime
- 1998-12-07 US US09/582,329 patent/US6268515B1/en not_active Expired - Fee Related
Non-Patent Citations (2)
Title |
---|
BUISSON D, ET AL.: "NEW CHIRAL BUILDING BLOCKS BY MICROBIAL ASYMMETRIC REDUCTION: A DIRECT ACCESS TO FUNCTIONALIZED 2R,3R- AND 2S,3R-2-METHYL-3-HYDROXYBUTYRATE SYNTHONS", TETRAHEDRON LETTERS, PERGAMON, GB, vol. 28, no. 42, 1 January 1987 (1987-01-01), GB, pages 5033 - 5036, XP002918394, ISSN: 0040-4039, DOI: 10.1016/S0040-4039(00)96688-7 * |
See also references of EP1048662A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1048662A4 (en) | 2002-01-16 |
EP1048662A1 (en) | 2000-11-02 |
JPH11189589A (ja) | 1999-07-13 |
EP1048662B1 (en) | 2003-04-23 |
JP3180749B2 (ja) | 2001-06-25 |
CA2317043A1 (en) | 1999-07-08 |
US6268515B1 (en) | 2001-07-31 |
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