CN105085279A - Preparation of R-5-chloro-1-aminoindane - Google Patents

Preparation of R-5-chloro-1-aminoindane Download PDF

Info

Publication number
CN105085279A
CN105085279A CN201510529757.4A CN201510529757A CN105085279A CN 105085279 A CN105085279 A CN 105085279A CN 201510529757 A CN201510529757 A CN 201510529757A CN 105085279 A CN105085279 A CN 105085279A
Authority
CN
China
Prior art keywords
chloro
aminoidan
resolving agent
method preparing
solvent
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.)
Pending
Application number
CN201510529757.4A
Other languages
Chinese (zh)
Inventor
吴玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201510529757.4A priority Critical patent/CN105085279A/en
Publication of CN105085279A publication Critical patent/CN105085279A/en
Pending legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention discloses a preparation method of R-5-chloro-1-aminoindane. The method takes 5-chloro-1-indanone as a starting material, and obtains 5-chloro-1-aminoindane through oxime formation and hydrogenation reaction; resolving 5-chloro-1-aminoindan by using a chiral resolving agent to obtain an enantiomer salt of R-5-chloro-1-aminoindan, recrystallizing the salt, and performing alkalization treatment by using alkali liquor to obtain R-5-chloro-1-aminoindan, wherein the ee value of the obtained R-5-chloro-1-aminoindan is more than 99%; after all the residual liquids containing the resolving agent components are combined, the resolving agent can be recovered through acidification treatment. The technical method provided by the invention is simple to operate, high in resolution efficiency, easy to recycle the resolving agent and the resolving solvent, economic and environment-friendly, and suitable for industrial production.

Description

The chloro-1-aminoidan of preparation R-5-
Technical field
The present invention relates to a kind of preparation method of optical homochiral compound, particularly relate to a kind of with 5-chloro-1-indone for starting raw material prepares the method for the chloro-1-aminoidan of R-5-.
Background technology
R-5-chloro-1-aminoidan is the very important chiral medicinal intermediate of a class.In existing 5-chloro-1-aminoidan relevant report, then rarely has report about how preparing the chloro-1-aminoidan of optical purity R-5-.How obtaining a kind of efficient, convenient method preparing R-5-chloro-1-aminoidan is problem to be solved by this invention.
Summary of the invention
The object of this invention is to provide the method that the low and simple fractionation of a kind of cost obtains the chloro-1-aminoidan of optical purity R-5-.The present invention be a kind of with the chloro-1-indone of 5-for starting raw material, in alcoholic solvent, generate ketoxime with azanol and alkali reaction, ketoxime obtains the chloro-1-aminoidan of 5-through hydrogenation catalyst shortening; Upper step gained 5-chloro-1-aminoidan and a certain amount of chiral selectors L-amygdalic acid react in suitable alcoholic solution, cooling, crystallization, suction filtration obtain the L-mandelate of the chloro-1-aminoidan of R-5-, after salt recrystallization purifying, be dissolved in the water, operate to obtain the chloro-1-aminoidan of R-5-through alkalization, extraction, drying, concentrate etc., and the ee value of the chloro-1-aminoidan of gained R-5-is greater than 99%; Raffinate containing L-amygdalic acid composition used merges together, operates recyclable L-amygdalic acid through acidifying, extraction, drying, concentrate etc.
Be oxammonium hydrochloride according to described preparation 5-chloro-1-indanone oxime azanol used, alkali used is sodium-acetate, and reaction solvent for use is methyl alcohol or ethanol; The hydrogenation catalyst that ketoxime hydrogenating reduction prepares 5-chloro-1-aminoidan used is Raney's nickel, and it drops into the 5%-20% that quality is 5-chloro-1-indone quality; Splitting R-5-chloro-1-aminoidan resolving agent used is L-amygdalic acid, and the molar ratio of raw material and resolving agent is 1:1.0 ~ 2.0; The solvent that fractionation and recrystallization react used is methyl alcohol or ethanol, and the mass ratio that feeds intake of raw material and solvent is 10 ~ 30; Salinization process alkali used is sodium hydroxide solution or ammonia soln; When reclaiming resolving agent, acidification acid used is hydrochloric acid or sulphuric acid soln.
Technique of the present invention possesses following advantage: (1) hydrogenation catalyst is cheap and easy to get, hydrogenation technique environmental protection.(2) chiral resolving agent fractionation efficiency is high, stable chemical nature, and easily separated recovery uses.(2) processing condition are gentle, are suitable for suitability for industrialized production.(3) products obtained therefrom R-5-chloro-1-aminoidan purity is greater than 99%, ee value and is greater than 99%.(4) the equal recoverable of the organic solution used, uses without special, toxic reagent.The present invention be the fractionation preparation of optical purity R-5-chloro-1-aminoidan provide referentially to save time, economic, preparation method efficiently.
Specific implementation method:
Embodiment 1
(1) preparation of the chloro-1-indanone oxime of 5-
In 1000ml round-bottomed flask, add 600ml methyl alcohol, 166.6g(1.0mol) the chloro-1-indone of 5-, 70g(1.0mol) oxammonium hydrochloride, 98.4g(1.2mol) sodium-acetate, back flow reaction 2h, some plate detects the chloro-1-indone of 5-and disappears.After cooling, under stirring, in system, add 4000ml water, separate out a large amount of white solid, filter, dry 5-chloro-1-indanone oxime 168.7g, yield is 93.2%.
(2) the chloro-1-aminoidan preparation of 5-
In 2000ml autoclave, add 1200ml methyl alcohol, 168.7g5-chloro-1-indanone oxime, 17g Raney's nickel, 300ml ammoniacal liquor, after autoclave sealing, displaced air, pass into hydrogen to pressure 1.5MPa, at 65 DEG C, react 5h, 5-chloro-1-indanone oxime is converted into the chloro-1-aminoidan of 5-, filters, concentrates to obtain the chloro-1-aminoidan of 5-.
(3) the chloro-1-aminoidan of 5-splits
In 1000ml round-bottomed flask, add 22.8G(0.15mol) L-amygdalic acid, 400ml methyl alcohol, magnetic agitation, drips 16.7G(0.1mol at 55 DEG C) the chloro-1-aminoidan of 5-, back flow reaction 1.5h.Naturally cooling, is chilled to room temperature, separates out white precipitate, and suction filtration obtains white and product 13.8g.Use 120ml recrystallizing methanol, obtain the L-mandelate that 12.3g refines the chloro-1-aminoidan of R-5-, yield is 40.9%.
(2) the chloro-1-aminoidan of R-5-is prepared
The L-mandelate 12.3g of the chloro-1-aminoidan of upper step gained R-5-is dissolved in 200ml water, drip 40% sodium hydroxide solution and regulate pH value to 12,3 times are extracted with methylene dichloride (100ml, 50ml, 50ml), dichloromethane layer merges, with water (50ml), saturated brine (50ml) respectively washing once, anhydrous sodium sulfate drying, filtration, concentratedly to obtain R-5-chloro-1-aminoidan 6.4g, yield is 38.3%, ee value is 99.2%.
(3) resolving agent L-amygdalic acid reclaims
Split and steam except methyl alcohol with recrystallization mother liquor.After cooling, by alkalizing in the mother liquor after concentrated and step 2, remaining aqueous layer afterwards concentrates in together, sulphuric acid soln is used to regulate pH value to 3, with methylene dichloride (150ml, 100ml, 50ml) extract 3 times, methylene dichloride merges, and with water (50ml), saturated brine (50ml) respectively washs once, anhydrous sodium sulfate drying, filtration, concentrated obtaining L-amygdalic acid 20.8, yield is 91.2%.
Embodiment 2
(1) preparation of the chloro-1-indanone oxime of 5-
In 1000ml round-bottomed flask, add 500ml methyl alcohol, 166.6g(1.0mol) the chloro-1-indone of 5-, 83.8g(1.2mol) oxammonium hydrochloride, 123g(1.5mol) sodium-acetate, back flow reaction 3h, some plate detects the chloro-1-indone of 5-and disappears.After cooling, under stirring, in system, add 5000ml water, separate out a large amount of white solid, filter, dry 5-chloro-1-indanone oxime 170.1g, yield is 94.0%.
(4) the chloro-1-aminoidan preparation of 5-
In 2000ml autoclave, add 1000ml methyl alcohol, 170.1g5-chloro-1-indanone oxime, 25g Raney's nickel, 150ml ammoniacal liquor, after autoclave sealing, displaced air, pass into hydrogen to pressure 2.0MPa, at 70 DEG C, react 3h, 5-chloro-1-indanone oxime is converted into the chloro-1-aminoidan of 5-, filters, concentrates to obtain the chloro-1-aminoidan of 5-.
The chloro-1-aminoidan of 5-splits
In 1000ml round-bottomed flask, add 18.2G(0.12mol) L-amygdalic acid, 300ml ethanol, magnetic agitation, drips 16.7G(0.1mol at 50 DEG C) the chloro-1-aminoidan of 5-, back flow reaction 2h.Naturally cooling, is chilled to room temperature, separates out white precipitate, and suction filtration obtains white and product 14.5g.Use 140ml recrystallizing methanol, obtain the L-mandelate that 13.1g refines the chloro-1-aminoidan of R-5-, yield is 43.5%.
(2) the chloro-1-aminoidan of R-5-is prepared
The L-mandelate 13.1g of the chloro-1-aminoidan of upper step gained R-5-is dissolved in 200ml water, drip ammonia soln and regulate pH value to 13,3 times are extracted by ethyl acetate (100ml, 50ml, 50ml), ethyl acetate layer merges, with water (50ml), saturated brine (50ml) respectively washing once, anhydrous sodium sulfate drying, filtration, concentratedly to obtain R-5-chloro-1-aminoidan 6.7g, yield is 40.1%, ee value is 99.1%.
(3) resolving agent L-amygdalic acid reclaims
Split and steam except methyl alcohol with recrystallization mother liquor.After cooling, by alkalizing in the mother liquor after concentrated and step 2, remaining aqueous layer afterwards concentrates in together, sulphuric acid soln is used to regulate pH value to 3, with ethyl acetate (150ml, 100ml, 50ml) extract 3 times, ethyl acetate merges, and with water (50ml), saturated brine (50ml) respectively washs once, anhydrous sodium sulfate drying, filtration, concentrated obtaining L-amygdalic acid 16.8, yield is 92.3%.

Claims (7)

1. the invention discloses preparation method's method of the chloro-1-aminoidan of a kind of R-5-, the present invention is with the chloro-1-indone of 5-for starting raw material, in alcoholic solvent, generate ketoxime with azanol and alkali reaction, and ketoxime obtains the chloro-1-aminoidan of 5-through hydrogenation catalyst shortening; Upper step gained 5-chloro-1-aminoidan and a certain amount of chiral selectors L-amygdalic acid react in suitable alcoholic solution, cooling, crystallization, suction filtration obtain the L-mandelate of the chloro-1-aminoidan of R-5-, after salt recrystallization purifying, be dissolved in the water, operate to obtain the chloro-1-aminoidan of R-5-through alkalization, extraction, drying, concentrate etc., and the ee value of the chloro-1-aminoidan of gained R-5-is greater than 99%; Raffinate containing L-amygdalic acid composition used merges together, and operate recyclable L-amygdalic acid through acidifying, extraction, drying, concentrate etc., its reaction equation is as follows:
2. a kind of method preparing the chloro-1-aminoidan of R-5-according to claim 1, is characterized in that: preparation 5-chloro-1-indanone oxime azanol used is oxammonium hydrochloride, and alkali used is sodium-acetate, and reaction solvent for use is methyl alcohol or ethanol.
3. a kind of method preparing the chloro-1-aminoidan of R-5-according to claim 1, is characterized in that: the hydrogenation catalyst that ketoxime hydrogenating reduction prepares 5-chloro-1-aminoidan used is Raney's nickel, and it drops into the 5%-20% that quality is 5-chloro-1-indone quality.
4. a kind of method preparing the chloro-1-aminoidan of R-5-according to claim 1, is characterized in that: splitting R-5-chloro-1-aminoidan resolving agent used is L-amygdalic acid, and the molar ratio of raw material and resolving agent is 1:1.0 ~ 2.0.
5. a kind of method preparing the chloro-1-aminoidan of R-5-according to claim 1, is characterized in that: split and solvent that recrystallization reacts used is methyl alcohol or ethanol, and the mass ratio that feeds intake of raw material and solvent is 10 ~ 30.
6. a kind of method preparing the chloro-1-aminoidan of R-5-according to claim 1, is characterized in that: salinization process alkali used is sodium hydroxide solution or ammonia soln.
7. a kind of method preparing the chloro-1-aminoidan of R-5-according to claim 1, is characterized in that: when reclaiming resolving agent, acidification acid used is hydrochloric acid or sulphuric acid soln.
CN201510529757.4A 2015-08-26 2015-08-26 Preparation of R-5-chloro-1-aminoindane Pending CN105085279A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510529757.4A CN105085279A (en) 2015-08-26 2015-08-26 Preparation of R-5-chloro-1-aminoindane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510529757.4A CN105085279A (en) 2015-08-26 2015-08-26 Preparation of R-5-chloro-1-aminoindane

Publications (1)

Publication Number Publication Date
CN105085279A true CN105085279A (en) 2015-11-25

Family

ID=54566713

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510529757.4A Pending CN105085279A (en) 2015-08-26 2015-08-26 Preparation of R-5-chloro-1-aminoindane

Country Status (1)

Country Link
CN (1) CN105085279A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5639913A (en) * 1994-01-10 1997-06-17 Teva Pharmaceutical Industries, Ltd. Method for preparing optically active 1-aminoindan derivatives
WO2008063671A2 (en) * 2006-11-20 2008-05-29 Alantos Pharmaceuticals Holding, Inc. Heterobicyclic metalloprotease inhibitors
CN101516850A (en) * 2006-08-08 2009-08-26 米伦纽姆医药公司 Heteroaryl compounds useful as inhibitors of E1 activating enzymes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5639913A (en) * 1994-01-10 1997-06-17 Teva Pharmaceutical Industries, Ltd. Method for preparing optically active 1-aminoindan derivatives
CN101516850A (en) * 2006-08-08 2009-08-26 米伦纽姆医药公司 Heteroaryl compounds useful as inhibitors of E1 activating enzymes
WO2008063671A2 (en) * 2006-11-20 2008-05-29 Alantos Pharmaceuticals Holding, Inc. Heterobicyclic metalloprotease inhibitors

Similar Documents

Publication Publication Date Title
CN105348172B (en) (S) preparation method of the preparation of the mesyl ethamine of 1 (ethyoxyl of 4 methoxyl group 3) phenyl 2 and Apremilast
CN102603603B (en) Method for preparing (S)-oxiracetam
CN101704755A (en) Method for preparing p-tert-butylbenzylamine
CN105130794A (en) Method for preparing S-4-methoxymandelic acid through splitting S-1-phenylethylamine
CN101270063A (en) Method for preparing high purity solid cyanoacetic acid
CN105085279A (en) Preparation of R-5-chloro-1-aminoindane
CN102603595B (en) Preparation method of (S)-oxiracetam
CN102603594B (en) Preparation method of (S)-oxiracetam
CN105175270A (en) Method for preparing R-5-trifluoromethyl-1-aminoindane
CN105061220A (en) Method for preparing R-3-methyl-1-aminoindane
CN105175272A (en) Method for preparing R-5-bromo-1-aminoindane
CN103896784B (en) A kind of FTY720 intermediate nitroreduction is amino method
CN101735070A (en) Resolution method of R-(+)-1-(1-naphthyl) ethylamine
CN105152944A (en) Preparation method of R-5, 6-dimethoxy-1-aminoindane
CN105111091A (en) Method for preparing S-3-methyl-1-aminoindane
CN105130824A (en) Method for preparing S-5-bromo-1-aminoindane
CN105418489A (en) Synthesis method of bupivacaine
CN104045567A (en) Method for recovering triethylamine from aqueous solution
CN105061228A (en) Method for preparing R-6-hydroxy-1-aminoindane
CN105111095A (en) Method for preparing S-5, 6-dimethoxy-1-aminoindane
CN105037169A (en) Method for preparing S-5-chloro-1-aminoindane
CN105175273A (en) Method for preparing S-6-hydroxy-1-aminoindane
CN102603599B (en) Method for preparing (S)-oxiracetam
CN102603605B (en) Preparation method of (S)-4-hydroxy-2-oxo-1-pyrrolidineacetamide
CN105175271A (en) Method for preparing S-5-trifluoromethyl-1-aminoindane

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20151125