[go: up one dir, main page]

CN114634514B - Method for removing impurities in noroxymorphone - Google Patents

Method for removing impurities in noroxymorphone Download PDF

Info

Publication number
CN114634514B
CN114634514B CN202210389978.6A CN202210389978A CN114634514B CN 114634514 B CN114634514 B CN 114634514B CN 202210389978 A CN202210389978 A CN 202210389978A CN 114634514 B CN114634514 B CN 114634514B
Authority
CN
China
Prior art keywords
noroxymorphone
impurity
impurities
content
acetic acid
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.)
Active
Application number
CN202210389978.6A
Other languages
Chinese (zh)
Other versions
CN114634514A (en
Inventor
金鑫
赵世本
祝可锦
徐丽梅
康鑫
张学松
谢寿菊
王世余
牛军波
王俊林
高佚婷
张小芳
贾登国
花逢林
邓隆隆
金蓓蓓
聂垚琰
刘永生
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.)
Gansu Nongken Medicine Alkali Factory Co ltd
Original Assignee
Gansu Nongken Medicine Alkali Factory Co ltd
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 Gansu Nongken Medicine Alkali Factory Co ltd filed Critical Gansu Nongken Medicine Alkali Factory Co ltd
Priority to CN202210389978.6A priority Critical patent/CN114634514B/en
Publication of CN114634514A publication Critical patent/CN114634514A/en
Application granted granted Critical
Publication of CN114634514B publication Critical patent/CN114634514B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D489/00Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula:
    • C07D489/06Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula: with a hetero atom directly attached in position 14
    • C07D489/08Oxygen atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention relates to a method for removing impurities in noroxymorphone, which comprises the steps of adding sodium bisulphite into the noroxymorphone under an acidic condition, heating and stirring to 75-85 ℃, and measuring the single impurity content for 12.5min after heat preservation reaction; and when the content of single impurity is lower than 0.05%, cooling to room temperature, adding alkali to adjust the pH to be 9, crystallizing and filtering to obtain the noroxymorphone. The method is simple and has high yield (more than 95 percent), and provides a favorable guarantee for controlling the impurities of the raw material medicine of the noroxymorphone.

Description

Method for removing impurities in noroxymorphone
Technical Field
The invention relates to the technical field of bulk drug impurity removal, in particular to a method for removing impurities in noroxymorphone.
Background
Any other component except the chemical entity of the drug in the bulk drug can be called as an impurity, and the existence of the impurity is always difficult and important for researching the quality of the drug and is also the source of the quality control of the bulk drug.
Noroxymorphone produced by Gansu province pharmaceutical alkali factories is a derivative of thebaine and morphine, and is also an important intermediate for synthesizing naloxone, naltrexone, nalmefene and other medicines. In the detection of substances related to the noroxymorphone product, the content of single impurities in the product for 12.5min is more than 0.1%, and the specific structure of the single impurities is not determined. Therefore, in order to improve the quality of noroxymorphone, it is highly desirable to control the factory requirements of single impurity related substances with the detection content less than 0.1%.
Disclosure of Invention
The invention aims to provide a method for removing impurities in noroxymorphone, which is simple and has high yield.
In order to solve the problems, the method for removing impurities in noroxymorphone is characterized by comprising the following steps: the method comprises the steps of adding sodium bisulphite with the mass of 0.03-0.4 times of that of noroxymorphone under an acidic condition, heating and stirring to 75-85 ℃, and measuring the single impurity content for 12.5min after heat preservation reaction; and when the content of single impurity is lower than 0.05%, cooling to room temperature, adding alkali to adjust the pH to be 9, crystallizing and filtering to obtain the noroxymorphone.
The acidic condition is acetic acid aqueous solution with volume concentration of 2-10%.
The heat preservation reaction time is 0.5-12 hours.
The alkali refers to ammonia water.
The crystallization time is 3-15 hours.
Compared with the prior art, the invention has the following advantages:
1. according to the related impurity removal method, a method for removing single impurities for 12.5min is found through experiments, the purpose of removing the impurities is achieved, and the delivery requirement that the detection content of the single impurity related substances is less than 0.1% is met.
2. The method is simple and has high yield (more than 95 percent), and provides a favorable guarantee for controlling the impurities of the raw material medicine of the noroxymorphone.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Fig. 1 shows an external standard 50.18% of sodium hydroxide noroxymorphone. Wherein the peak area occupied by impurity 1 is 0.06% about 12.5 min; impurity 2 occupies 33.07% of the peak area at about 38.7 min.
Figure 2 is an external standard 88.48% of aqueous ammonia noroxymorphone. Wherein: about 12.5min, the peak area occupied by impurity 1 is 0.68%.
Fig. 3 is a sodium bicarbonate noroxymorphone external standard 95.19%. Wherein: about 12.5min, the peak area of impurity 1 is 0.69%.
Fig. 4 shows a 75.84% external standard for calcium hydroxide noroxymorphone. Wherein: about 12.5min, the peak area occupied by impurity 1 is 0.48%.
Figure 5 is noroxymorphone hydrochloride external standard 62.45%. Wherein: about 12.5min, the peak area occupied by impurity 1 is 0.28%.
Figure 6 is a 96.13% external standard of noroxymorphone acetate according to the invention. Wherein: about 12.5min, the peak area occupied by impurity 1 is 0.01%.
FIG. 7 shows the yields of noroxymorphone from various acetic acid concentrations in accordance with the present invention.
FIG. 8 shows the yields of noroxymorphone from various sodium bisulphite quality factors of the present invention.
FIG. 9 shows the yields of noroxymorphone from various reaction times of the present invention.
FIG. 10 shows the yields of noroxymorphone from various crystallization times according to the present invention.
FIG. 11 is a pilot scale-up experiment of the present invention.
Detailed Description
A method for removing impurities in noroxymorphone, which comprises the following steps: under an acidic condition, sodium bisulphite with the mass of 0.03-0.4 times of that of the noroxymorphone is added into the noroxymorphone, and the mixture is heated and stirred to 75-85 ℃ and reacts for 0.5-12 hours under heat preservation, and then the single impurity content is measured for 12.5 min; and when the single impurity content is lower than 0.05%, cooling to room temperature, adding ammonia water to adjust the pH to be 9, crystallizing for 3-15 hours, filtering to obtain a filter cake, and pumping and washing the filter cake with softened water with the mass of 0.5 times to obtain the noroxymorphone.
Wherein: the acidic condition is an aqueous acetic acid solution with a volume concentration of 2-10%.
[ Material ]
Instrument and reagent:
waters e2695 high performance liquid chromatograph (Waters); RCTB S025 magnetic stirrer (IKA); DH-101-3BS oven (Tianjin middle ring laboratory circuits Co., ltd.).
Analytically pure sodium bisulfite (Shanghai Bobo chemical Co., ltd.); analytically pure acetic acid (Shanghai Bobo chemical Co., ltd.).
[ Experimental methods ]
The method comprises the steps of removing impurities from noroxymorphone under alkaline conditions:
sequentially weighing 5g of noroxymorphone (with the external standard content of 87.28%, the card-type moisture of 11.3% and the impurity content of 0.69% in the detection of related substances of 12.5 min), putting into a three-mouth bottle, respectively adding 25ml of softened water to select sodium hydroxide, ammonia water, sodium bicarbonate and calcium hydroxide as alkali, adding 0.1 time of sodium bisulphate, reacting for 30 minutes at the system temperature of 75-85 ℃, crystallizing for 12 hours at the system pH=9, and then filtering and drying. And detecting the external standard content of related substances and normorphone by using a high performance liquid chromatograph.
Removing impurities from the noroxymorphone under the acidic condition:
sequentially weighing 5g of noroxymorphone (with the external standard content of 87.28%, the card-type moisture of 11.3% and the impurity content of 0.69% in the detection of related substances for 12.5 min), putting into a three-mouth bottle, respectively adding 25ml of softened water, hydrochloric acid or acetic acid as acid, adding 0.1 times of sodium bisulphite, reacting for 30 minutes at the system temperature of 75-85 ℃, crystallizing for 12 hours at the system pH=9, and then filtering and drying. And detecting the external standard content of related substances and normorphone by using a high performance liquid chromatograph.
Under the acidic condition, the concentration of acetic acid, the mass multiple of sodium bisulfite, the impurity removal reaction time and the crystallization time are examined:
(1) the experiment method is the same, the acetic acid concentration is 2%, 4%, 6%, 8% and 10%, and the yield of normorphone is calculated.
(2) The experimental method is the same, the mass multiples of sodium bisulphite are respectively 0.03, 0.06, 0.09, 0.2 and 0.4, and the yield of normorphone is calculated.
(3) The experimental method is the same, the impurity removal reaction and heat preservation time is respectively 0.5, 2, 8, 10 and 12 hours, and the yield of the normorphone is calculated.
(4) And (3) the experimental method is the same, the crystallization time is 3, 6, 9, 12 and 15 hours respectively, and the yield of the normorphone is calculated.
Pilot scale up experiment:
amplifying the feeding amount of noroxymorphone by 100 times, adding sodium bisulphite with the mass of 0.06 times into 6% acetic acid aqueous solution with the mass of 5.5 times, heating and stirring the system to 75-85 ℃ and preserving heat for reaction for 10 hours, cooling the system to 20 ℃, adding ammonia water for alkali adjustment to pH=9, crystallizing the system at 10-20 ℃ for 8-12 hours, filtering, pumping and washing a filter cake with softened water with the mass of 0.5 times, and detecting the external standard content of related substances and the normorphone by using a high performance liquid chromatograph.
Results and discussion
The method comprises the steps of removing impurities from noroxymorphone under alkaline conditions:
because noroxymorphone belongs to alkaloids, alkaloid is easy to dissolve in acid-base solution, and the impurity structure is considered to be destroyed under the acid and alkaline conditions, the property of the noroxymorphone is obviously different from that of main products, so that the noroxymorphone is further separated.
Under the condition of NaOH as alkali, the noroxymorphone can be completely dissolved after alkali adjustment, and the external standard 50.18 percent of sodium hydroxide noroxymorphone is obtained in 52.46 percent of yield. As shown in fig. 1, impurity 1 occupies a peak area of 0.06% for about 12.5min, and impurity 2 occupies a peak area of 33.07% for about 38.7 min. Namely: single impurities of 12.5min can be eliminated, but 38min of impurities are newly generated.
Further exploration was carried out by using other commonly used alkaline reagents in a laboratory, ammonia water, sodium bicarbonate and calcium hydroxide were tried as bases, and the bases were adjusted after the addition of the system, but noroxymorphone could not be dissolved, and impurities could not be released into the system for removal. Ammonia water noroxymorphone external standard 88.48%, yield 90.38%, as shown in figure 2, the peak area occupied by impurity 1 about 12.5min is 0.68%; sodium bicarbonate noroxymorphone external standard 95.19%, yield 97.28%, as shown in fig. 3, impurity 1 occupies about 12.5min with peak area 0.69%; the external standard of the calcium hydroxide noroxymorphone is 75.84 percent, the yield is 83.42 percent, and as shown in fig. 4, the peak area occupied by the impurity 1 is 0.48 percent about 12.5 min.
In conclusion, when sodium hydroxide is a dissolution system, the system is completely dissolved, the yield is low, and new impurities are generated about 38.7min, namely, the instability of the noroxymorphone can be destroyed; under other alkaline conditions, the dissolution system is incomplete, and impurities about 12.5min are not obviously reduced. Therefore, the conditions are not suitable for the production of noroxymorphone for impurity removal and purification.
Removing impurities from the noroxymorphone under the acidic condition:
the ability to remove this impurity under acidic conditions allows for better stability of noroxymorphone under acidic conditions. Hydrochloric acid and acetic acid were tried as dissolution systems. As shown in fig. 5, hydrochloric acid is used as an acidic condition, and the external standard of noroxymorphone is 62.45%, and the peak area occupied by impurity 1 about 12.5min is 0.28%, namely: the content of relevant substances of the noroxymorphone impurity for 12.5min is 0.28 percent, and the yield is 70.73 percent. As shown in fig. 6, acetic acid was used as an external standard of noroxymorphone at 96.13% and impurity 1 at about 12.5min was present at a peak area of 0.01%, namely: the content of relevant substances of the noroxymorphone impurity for 12.5min is 0.05, and the yield is 95.16%. From this, it was found that acetic acid was more effective in removing impurities than hydrochloric acid and was high in yield.
Under the acidic condition, the concentration of acetic acid, the mass multiple of sodium bisulfite, the impurity removal reaction time and the crystallization time are examined:
as can be seen from fig. 7 to 10, sodium bisulphite with the mass of 0.06 times is added into 6% acetic acid aqueous solution to react for 10 hours, the single impurity is reduced to below 0.05%, the crystallization is carried out for 12 hours when the crystallization ph=9, and the system crystallization is more complete.
Pilot scale up experiment:
in pilot scale-up experiments and parallel experiments, impurity 1 of noroxymorphone occupies 0.04% of peak area (see fig. 11) about 12.5min, the external standard is 95.02%, the yield is 95.00%, the moisture on card is 4.76%, and the dry matter content is 99.06%. The data show that the experimental method can effectively remove single impurities for 12.5min, and achieve the aim of impurity removal.
[ DOMINATION ] A method for producing a polypeptide
The impurity removal effect of the noroxymorphone under the conditions of an alkali and acid system is researched through different alkali and acid dissolving reagents, and the condition is found that single impurities in an aqueous solution of acetic acid can be removed within 12.5min, and the yield is higher. And then, the influences of different acetic acid concentrations, impurity removal reaction time and crystallization time on impurity removal and yield are examined, and the optimal condition for optimally removing the impurities is that the single impurity is reduced to below 0.05% in a reaction system for 10 hours, and the crystallization is carried out for 12 hours when the crystallization pH=9, so that the crystallization of the system is complete.
For the stability of the process, 500g of the process is added in an amplified manner, and the product with the external standard of 95.02%, the yield of 95.00%, the card-type moisture of 4.76%, the dry content of 99.06% and the single impurity of 0.05% is obtained.
In conclusion, the process method for purifying the noroxymorphone product has the advantages of good effect, simple purification mode, high yield and the like.

Claims (1)

1. A method for removing impurities in noroxymorphone, which is characterized by comprising the following steps: the method comprises the steps of adding sodium bisulphite with the mass of 0.06 times of that of noroxymorphone under an acidic condition, heating and stirring to 75-85 ℃, and measuring the single impurity content for 12.5min after heat preservation reaction; when the single impurity content is lower than 0.05%, cooling to room temperature, adding alkali to adjust the pH to be 9, crystallizing for 12-15 hours, and filtering to obtain the noroxymorphone; the acidic condition is acetic acid aqueous solution with volume concentration of 6%, and the dosage of the acetic acid aqueous solution is 5.5 times of the mass of the noroxymorphone; the alkali refers to ammonia water; the heat preservation reaction time is 10-12 hours.
CN202210389978.6A 2022-04-14 2022-04-14 Method for removing impurities in noroxymorphone Active CN114634514B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210389978.6A CN114634514B (en) 2022-04-14 2022-04-14 Method for removing impurities in noroxymorphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210389978.6A CN114634514B (en) 2022-04-14 2022-04-14 Method for removing impurities in noroxymorphone

Publications (2)

Publication Number Publication Date
CN114634514A CN114634514A (en) 2022-06-17
CN114634514B true CN114634514B (en) 2024-04-09

Family

ID=81951642

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210389978.6A Active CN114634514B (en) 2022-04-14 2022-04-14 Method for removing impurities in noroxymorphone

Country Status (1)

Country Link
CN (1) CN114634514B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101395159A (en) * 2006-03-02 2009-03-25 马林克罗特公司 Processes for preparing morphinan-6-one products with low levels of alpha, beta-unsaturated ketone compounds
WO2016187522A1 (en) * 2015-05-20 2016-11-24 Noramco, Inc. Process for the preparation of oxymorphone freebase
CN112194664A (en) * 2020-03-17 2021-01-08 国药集团工业有限公司 A kind of preparation method and application of oxymorphone impurity

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101652369A (en) * 2006-12-04 2010-02-17 诺拉姆科有限公司 Reduce the method for impurity in the oxycodone base
EP3495371A1 (en) * 2017-12-05 2019-06-12 Siegfried AG Synthesis of noroxymorphone

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101395159A (en) * 2006-03-02 2009-03-25 马林克罗特公司 Processes for preparing morphinan-6-one products with low levels of alpha, beta-unsaturated ketone compounds
WO2016187522A1 (en) * 2015-05-20 2016-11-24 Noramco, Inc. Process for the preparation of oxymorphone freebase
CN112194664A (en) * 2020-03-17 2021-01-08 国药集团工业有限公司 A kind of preparation method and application of oxymorphone impurity

Also Published As

Publication number Publication date
CN114634514A (en) 2022-06-17

Similar Documents

Publication Publication Date Title
CN108658858B (en) Preparation and refining method of hydroxychloroquine and preparation method of sulfate thereof
CN109096161B (en) Preparation method of N-acetylcysteine
CN113292533B (en) Method for purifying polymer impurities in lipoic acid
CN114634514B (en) Method for removing impurities in noroxymorphone
CN105434362A (en) Method for preparing high-purity granular type amprolium hydrochloride
CA2215251C (en) Industrial preparation of high purity gallic acid
EP4148061A1 (en) Post-treatment method of sucrose-6-carboxylic ester chlorination reaction liquid
CN108017561B (en) Method for refining carglutamic acid
CN114478283B (en) Preparation method of 6-aminocaproic acid
US20070213313A1 (en) Direct process for the production of an amino acid dihydrochloride
JPS6110586A (en) Purification of riboflavin
CN104151275B (en) The preparation method of Andrographolide compound
CN112028794B (en) High-purity carboglutamic acid and preparation method thereof
CN113699209B (en) 7-ADCA recovery method
CN114014835A (en) Glycolide purification process
CN114031560A (en) Preparation method of letermovir sodium salt
CN109369447B (en) Improved method of preparation technology of 3- (2, 2, 2-trimethylhydrazinium) propionate dihydrate
WO2022141228A1 (en) Preparation method for sucralose, crude product solution and sucralose
US5304677A (en) Method for producing 2,6-dihydroxybenzoic acid
CN1526698A (en) Production process of high-purity DL-lysine
CN113429311B (en) Method for removing impurities in asparagine bulk drug
CN103408418A (en) Preparation and purification method of solid malonic acid
US20090275754A1 (en) Narcotine Purification Process
CN118255695B (en) Purification method and preparation method of intermediate of beta-lactam compound
CN118324674A (en) Method for removing tyrosine impurities in carbocisteine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant