CN104478671B - The two alkoxyphenyl radical propanediol derivative of one class and purposes - Google Patents

The two alkoxyphenyl radical propanediol derivative of one class and purposes Download PDF

Info

Publication number
CN104478671B
CN104478671B CN201510021521.XA CN201510021521A CN104478671B CN 104478671 B CN104478671 B CN 104478671B CN 201510021521 A CN201510021521 A CN 201510021521A CN 104478671 B CN104478671 B CN 104478671B
Authority
CN
China
Prior art keywords
compound
class
10mmol
stirs
present
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
CN201510021521.XA
Other languages
Chinese (zh)
Other versions
CN104478671A (en
Inventor
蔡子洋
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.)
Sun Jian Chun
Original Assignee
Foshan Saiweisi Pharmaceutical Technology 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 Foshan Saiweisi Pharmaceutical Technology Co Ltd filed Critical Foshan Saiweisi Pharmaceutical Technology Co Ltd
Priority to CN201510021521.XA priority Critical patent/CN104478671B/en
Publication of CN104478671A publication Critical patent/CN104478671A/en
Application granted granted Critical
Publication of CN104478671B publication Critical patent/CN104478671B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Abstract

The present invention relates to the pharmaceutical field relevant to diabetes.Specifically, the present invention relates to II type sodium dependent glucose transhipment (SGLT2) inhibitor of the two alkoxyphenyl radical propylene glycol structure of a class, its preparation method and the application in preparation treatment diabetes medicament. wherein, R 1be selected from C 1-C 3alkyl; R 2be selected from C 1-C 3alkyl.

Description

The two alkoxyphenyl radical propanediol derivative of one class and purposes
Technical field
The present invention relates to the pharmaceutical field relevant to type ii diabetes.Specifically, the present invention relates to 2 type sodium dependent glucoses transhipment (SGLT2) inhibitor, the preparation method and in purposes pharmaceutically of a class to type ii diabetes medicative pair of alkoxyphenyl radical propylene glycol structure.
Background technology
Whole world diabetic subject presents the trend increased gradually, and wherein about the overwhelming majority is type ii diabetes patient.Sulfonylurea, N1,N1-Dimethylbiguanide class, thiazolidinediones, alpha-glucosidase inhibitor class, dipeptidyl peptidase-iv inhibitor class and trypsin class medicine is mainly contained at present at the antidiabetic medicine of Clinical practice.These medicines have good therapeutic action, but long-term treatment exists comparatively severe side effect; And owing to there is resistance, in some cases in time drug combination be all difficult to the blood sugar controlling patient.
2 type sodium dependent glucoses transhipment (SGLT2) are the novel targets of the treatment diabetes of discovered in recent years.SGLT2 is mainly distributed in renal proximal tubules, and its effect absorbs the glucose in urine, and returns it in blood, therefore suppresses that SGLT2's just can reduce the concentration of glucose in blood.When SGLT2 function is suppressed, more glucose will be secreted from urine, this glucose level that will contribute to diabetic subject and keep correct.
Chinese patent CN200610093189.9 discloses the compound of having structure as SGLT2 inhibitor:
Wherein, A is O, S, NH, (CH 2) n, n=0-3.
Chinese patent CN200380110040.1 discloses the compound of having structure as SGLT2 inhibitor:
Wherein, A is covalent linkage, O, S, NH, (CH 2) n, n=1-3.
The invention discloses the two alkoxyphenyl radical propanediol derivative of a class as novel SGLT2 inhibitor, these compounds can be used for preparing the medicine for the treatment of diabetes particularly type ii diabetes.
Summary of the invention
An object of the present invention is the shortcoming and defect overcoming prior art, provide one to have excellent activity, there is the compound of general formula I and pharmaceutically can accept prodrug ester.
Another object of the present invention is to provide preparation and has the compound of general formula I and the method for pharmaceutically acceptable prodrug ester thereof.
Another object of the present invention be to provide compound containing general formula I and pharmaceutically acceptable prodrug ester do the application in treatment diabetes.
Now in conjunction with object of the present invention, content of the present invention is specifically described.
The compound that the present invention has general formula I has following structural formula:
Wherein, R 1be selected from C 1-C 3alkyl;
R 2be selected from C 1-C 3alkyl.
Preferred following compound of Formula I,
Compound of Formula I of the present invention is synthesized by following route:
Compound IV nucleophilic addition(Adn) obtains V; Compound V sloughs isopropylidene protecting group through selective reduction simultaneously and obtains I; Obtain described lithium aryl and be selected from n-BuLi, sec-BuLi and t-BuLi.Wherein, R 1, R 2definition as previously mentioned.
The pharmaceutically acceptable prodrug ester of formula I of the present invention, comprises the ester that any one or more hydroxyl in molecule and ethanoyl, pivaloyl group, various phosphoryl, formamyl, alkoxyl formyl etc. are formed.
Compound of Formula I of the present invention has the restraining effect of SGLT2, can be used as the medicine of effective constituent for the preparation of diabetes aspect.The activity of compound of Formula I of the present invention is verified by receptor binding assays.
Compound of Formula I of the present invention is effective in quite wide dosage range.The dosage that such as every day takes, within the scope of 1mg-700mg/ people, is divided into once or administration for several times.The actual dosage taking compound of Formula I of the present invention can be decided according to relevant situation by doctor.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.It should be noted that, following embodiment be only for illustration of, and not for limiting the present invention.The various changes that those skilled in the art's training centre according to the present invention is made all should within the protection domain required by the application's claim.
The preparation of embodiment 1I-1
3.22g (10mmol) Compound II per-1 adds in the dry round-bottomed flask of a 100mL, adds the THF of dry magneton one piece and 30mL drying, with the sealing of rubber cork after nitrogen purging.Flask is placed in liquid nitrogen-ethanol and is cooled to-78 DEG C, starts and stirs.The n-BuLi hexane solution of 6.25mL (10mmol) 1.6M is slowly dripped with syringe.After dropwising, continue stirring at this temperature 1 hour.Then drip by syringe the solution that THF that 1.44g (10mmol) compound IV is dissolved in 5mL drying makes.After dropwising, reaction mixture continues stirring 1 hour at such a temperature, is then slowly warming up to room temperature, continues stirring 1 hour.
Reaction mixture is poured in 200mL frozen water, stirs, 100mL × 3 dichloromethane extraction, merges organic phase, saturated common salt water washing, dry (Na 2sO 4).Filtrate evaporate to dryness on a rotary evaporator after suction filtration removing siccative, the resistates obtained, through neutral alumina column column chromatography, obtains product V-1, white solid, ESI-MS, m/z=395 ([M+Na] +).
1.86g (5mmol) compound V-1 is dissolved in the methylene dichloride of 10mL drying, adds 2.33g (20mmol) Et 3siH, stirs, and slowly drips 1.42g (10mmol) BF under ice-water bath cooling 3et 2o.After dropwising, reaction mixture refluxes under nitrogen protection and spends the night.Reaction mixture is poured in 200mL frozen water, stirs, 100mL × 3 dichloromethane extraction, merges organic phase, saturated common salt water washing, dry (Na 2sO 4).Filtrate evaporate to dryness on a rotary evaporator after suction filtration removing siccative, the resistates column chromatography purification obtained, obtains product I-1, white solid, ESI-MS, m/z=339 ([M+Na] +).
The preparation of embodiment 2I-2
3.35g (10mmol) Compound II per-2 adds in the dry round-bottomed flask of a 100mL, adds the THF of dry magneton one piece and 30mL drying, with the sealing of rubber cork after nitrogen purging.Flask is placed in liquid nitrogen-ethanol and is cooled to-78 DEG C, starts and stirs.The sec-BuLi hexane solution of 7.7mL (10mmol) 1.3M is slowly dripped with syringe.After dropwising, continue stirring at this temperature 1 hour.Then drip by syringe the solution that THF that 1.44g (10mmol) compound IV is dissolved in 5mL drying makes.After dropwising, reaction mixture continues stirring 1 hour at such a temperature, is then slowly warming up to room temperature, continues stirring 1 hour.
Reaction mixture is poured in 200mL frozen water, stirs, 100mL × 3 dichloromethane extraction, merges organic phase, saturated common salt water washing, dry (Na 2sO 4).Filtrate evaporate to dryness on a rotary evaporator after suction filtration removing siccative, the resistates obtained, through neutral alumina column column chromatography, obtains product V-2, white solid, ESI-MS, m/z=409 ([M+Na] +).
1.93g (5mmol) compound V-2 is dissolved in the methylene dichloride of 10mL drying, adds 2.33g (20mmol) Et 3siH, stirs, and slowly drips 1.42g (10mmol) BF under ice-water bath cooling 3et 2o.After dropwising, reaction mixture refluxes under nitrogen protection and spends the night.Reaction mixture is poured in 200mL frozen water, stirs, 100mL × 3 dichloromethane extraction, merges organic phase, saturated common salt water washing, dry (Na 2sO 4).Filtrate evaporate to dryness on a rotary evaporator after suction filtration removing siccative, the resistates column chromatography purification obtained, obtains product I-2, white solid, ESI-MS, m/z=353 ([M+Na] +).
The preparation of embodiment 3I-3
3.07g (10mmol) Compound II per-3 adds in the dry round-bottomed flask of a 100mL, adds the THF of dry magneton one piece and 30mL drying, with the sealing of rubber cork after nitrogen purging.Flask is placed in liquid nitrogen-ethanol and is cooled to-78 DEG C, starts and stirs.The t-BuLi hexane solution of 6.25mL (10mmol) 1.6M is slowly dripped with syringe.After dropwising, continue stirring at this temperature 1 hour.Then drip by syringe the solution that THF that 1.44g (10mmol) compound IV is dissolved in 5mL drying makes.After dropwising, reaction mixture continues stirring 1 hour at such a temperature, is then slowly warming up to room temperature, continues stirring 1 hour.
Reaction mixture is poured in 200mL frozen water, stirs, 100mL × 3 dichloromethane extraction, merges organic phase, saturated common salt water washing, dry (Na 2sO 4).Filtrate evaporate to dryness on a rotary evaporator after suction filtration removing siccative, the resistates obtained, through neutral alumina column column chromatography, obtains product V-3, white solid, ESI-MS, m/z=381 ([M+Na] +).
1.79g (5mmol) compound V-3 is dissolved in the methylene dichloride of 10mL drying, adds 2.33g (20mmol) Et 3siH, stirs, and slowly drips 1.42g (10mmol) BF under ice-water bath cooling 3et 2o.After dropwising, reaction mixture refluxes under nitrogen protection and spends the night.Reaction mixture is poured in 200mL frozen water, stirs, 100mL × 3 dichloromethane extraction, merges organic phase, saturated common salt water washing, dry (Na 2sO 4).Filtrate evaporate to dryness on a rotary evaporator after suction filtration removing siccative, the resistates column chromatography purification obtained, obtains product I-3, white solid, ESI-MS, m/z=325 ([M+Na] +).
The preparation of embodiment 4I-4
3.21g (10mmol) Compound II per-4 adds in the dry round-bottomed flask of a 100mL, adds the THF of dry magneton one piece and 30mL drying, with the sealing of rubber cork after nitrogen purging.Flask is placed in liquid nitrogen-ethanol and is cooled to-78 DEG C, starts and stirs.The n-BuLi hexane solution of 6.25mL (10mmol) 1.6M is slowly dripped with syringe.After dropwising, continue stirring at this temperature 1 hour.Then drip by syringe the solution that THF that 1.44g (10mmol) compound IV is dissolved in 5mL drying makes.After dropwising, reaction mixture continues stirring 1 hour at such a temperature, is then slowly warming up to room temperature, continues stirring 1 hour.
Reaction mixture is poured in 200mL frozen water, stirs, 100mL × 3 dichloromethane extraction, merges organic phase, saturated common salt water washing, dry (Na 2sO 4).Filtrate evaporate to dryness on a rotary evaporator after suction filtration removing siccative, the resistates obtained, through neutral alumina column column chromatography, obtains product V-4, white solid, ESI-MS, m/z=395 ([M+Na] +).
1.86g (5mmol) compound V-4 is dissolved in the methylene dichloride of 10mL drying, adds 2.33g (20mmol) Et 3siH, stirs, and slowly drips 1.42g (10mmol) BF under ice-water bath cooling 3et 2o.After dropwising, reaction mixture refluxes under nitrogen protection and spends the night.Reaction mixture is poured in 200mL frozen water, stirs, 100mL × 3 dichloromethane extraction, merges organic phase, saturated common salt water washing, dry (Na 2sO 4).Filtrate evaporate to dryness on a rotary evaporator after suction filtration removing siccative, the resistates column chromatography purification obtained, obtains product I-4, white solid, ESI-MS, m/z=339 ([M+Na] +).
The preparation of embodiment 5 reference compound D-1
In order to further illustrate the drug effect of the compounds of this invention, this invention describes not yet open and being all the Compound D-1 of the applicant's design.
Its preparation method is as follows:
2.76g (10mmol) Compound II per-5 adds in the dry round-bottomed flask of a 100mL, adds the THF of dry magneton one piece and 30mL drying, with the sealing of rubber cork after nitrogen purging.Flask is placed in liquid nitrogen-ethanol and is cooled to-78 DEG C, starts and stirs.The sec-BuLi hexane solution of 7.7mL (10mmol) 1.3M is slowly dripped with syringe.After dropwising, continue stirring at this temperature 1 hour.Then drip by syringe the solution that THF that 1.44g (10mmol) compound IV is dissolved in 5mL drying makes.After dropwising, reaction mixture continues stirring 1 hour at such a temperature, is then slowly warming up to room temperature, continues stirring 1 hour.
Reaction mixture is poured in 200mL frozen water, stirs, 100mL × 3 dichloromethane extraction, merges organic phase, saturated common salt water washing, dry (Na 2sO 4).Filtrate evaporate to dryness on a rotary evaporator after suction filtration removing siccative, the resistates obtained, through neutral alumina column column chromatography, obtains product V-5, white solid, ESI-MS, m/z=349 ([M+Na] +).
1.63g (5mmol) compound V-5 is dissolved in the methylene dichloride of 10mL drying, adds 2.33g (20mmol) Et 3siH, stirs, and slowly drips 1.42g (10mmol) BF under ice-water bath cooling 3et 2o.After dropwising, reaction mixture refluxes under nitrogen protection and spends the night.
Reaction mixture is poured in 200mL frozen water, stirs, 100mL × 3 dichloromethane extraction, merges organic phase, saturated common salt water washing, dry (Na 2sO 4).Filtrate evaporate to dryness on a rotary evaporator after suction filtration removing siccative, the resistates column chromatography purification obtained, obtains product D-1, white solid, ESI-MS, m/z=293 ([M+Na] +).
Embodiment 7
The IC that compound of the present invention and related compound suppress SGLT2 50value reference literature record method measures.
The carrier using the Chinese hamster ovary celI of stably express humanization SGLT2 to analyze as transhipment, uses the substrate that [14C]-α-D-methyl glucoside ([14C]-AMG) analyzes as transhipment.By stably express, the Chinese hamster ovary celI of humanization SGLT2 is inoculated on 96 orifice plates, and 12 hours are hatched at 37 DEG C, every hole by the KRH-Na+ washing lotion of 200 μ L (containing 120mMNaCl, 4.7mMKCl, 1.2mMMgCl2,2.2mMCaCl2,10mMHEPESand1mMTris (pH=7.4)) wash 3 times, then the KRH-Na+ washing lotion containing testing compound or blank is added in every hole, each testing compound arranges 10 concentration, and last each hole adds the washing lotion that 100 μ L contain [14C]-AMG (10 μ Ci/mL).96 orifice plates hatch 1 hour subsequently at 37 DEG C, then every hole adds the ice-cold stop buffer of 100 μ L (containing 120mMNaCl, 4.7mMKCl, 1.2mMMgCl2,2.2mMCaCl2,10mMHEPES, 1mMTrisand10mM phlorizin (pH=7.4)), 5 times are washed again subsequently, each every hole 100 μ L with this stop buffer.Every Kong Zhongzai adds the ice-cold cytolysate (100mMNaOH) of 20 μ L, then shakes 5 minutes with the speed of 600rpm, and then the Microscint40 liquid adding 80 μ L in every hole dodges liquid, then shakes 5 minutes with the speed of 600rpm.Finally, this 96 orifice plate is at the upper counting of MicroBetaTrilux liquid scintillation counter (PerkinElmer).Response curve use experience four parameter model measures 503nhibiting concentration, is expressed as IC50.
Shown in the following list of result.
Part of compounds of the present invention is to the IC of SGLT2 50value
Compound number IC 50(hSGLT2,nM)
Reference compound D-1 19.5
I-1 13.9
I-2 11.4
I-3 18.1
I-4 17.2
Above-mentioned IC 50measurement result show, compound of the present invention is strong SGLT2 inhibitor, can be used for prepare treatment type ii diabetes medicine.

Claims (3)

1. there is the compound of general formula I,
Wherein, R 1be selected from C 1-C 3alkyl;
R 2be selected from C 1-C 3alkyl.
2. the compound of Formula I that defines of claim 1, is selected from following compounds,
3. the compound of Formula I that one of claim 1-2 defines is preparing the application in treatment diabetes medicament.
CN201510021521.XA 2015-01-15 2015-01-15 The two alkoxyphenyl radical propanediol derivative of one class and purposes Active CN104478671B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510021521.XA CN104478671B (en) 2015-01-15 2015-01-15 The two alkoxyphenyl radical propanediol derivative of one class and purposes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510021521.XA CN104478671B (en) 2015-01-15 2015-01-15 The two alkoxyphenyl radical propanediol derivative of one class and purposes

Publications (2)

Publication Number Publication Date
CN104478671A CN104478671A (en) 2015-04-01
CN104478671B true CN104478671B (en) 2016-03-09

Family

ID=52753307

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510021521.XA Active CN104478671B (en) 2015-01-15 2015-01-15 The two alkoxyphenyl radical propanediol derivative of one class and purposes

Country Status (1)

Country Link
CN (1) CN104478671B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103596564A (en) * 2011-06-01 2014-02-19 株式会社绿十字 Novel diphenylmethane derivatives as SGLT2 inhibitors

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013152476A1 (en) * 2012-04-10 2013-10-17 Theracos, Inc. Process for the preparation of benzylbenzene sglt2 inhibitors
EP2925735B1 (en) * 2012-11-20 2019-03-13 Lexicon Pharmaceuticals, Inc. Inhibitors of sodium glucose cotransporter 1

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103596564A (en) * 2011-06-01 2014-02-19 株式会社绿十字 Novel diphenylmethane derivatives as SGLT2 inhibitors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SGLT2 抑制剂Canagliflozin——Ⅱ型糖尿病治疗的新药;首要富等;《中国现代应用药学》;20140930;第31卷(第9期);第1154-1160页 *

Also Published As

Publication number Publication date
CN104478671A (en) 2015-04-01

Similar Documents

Publication Publication Date Title
CN104478671B (en) The two alkoxyphenyl radical propanediol derivative of one class and purposes
CN104478674B (en) One class alkoxyphenyl radical propanediol derivative and purposes
CN104478665B (en) One class is containing derivative, the Preparation Method And The Use of fluoroform phenyl propylene glycol structure
CN104529719B (en) One class contains derivative and the purposes of alkoxyphenyl radical and fluoroform phenyl propylene glycol structure
CN104478675B (en) One class contains derivative and the purposes of alkoxyphenyl radical and fluoroform phenyl propylene glycol structure
CN104610017B (en) One class halogenophenyl propanediol derivative, Preparation Method And The Use
CN104529720B (en) One class is containing derivative, the Preparation Method And The Use of trifluoromethoxy benzaldehyde base propylene glycol structure
CN104529709B (en) Phenyl propanediol derivative, Preparation Method And The Use
CN104478672B (en) One class is containing alkoxyphenyl radical and halogenophenyl propanediol derivative, Preparation Method And The Use
CN104478673B (en) Containing alkoxyphenyl radical and phenyl propanediol derivative, Preparation Method And The Use
CN104530152A (en) Compound containing acrylonitrile base and trifluoro methoxyphenyl O-galactoside structure and application
CN104497072A (en) Derivative containing acrylonitrile and benzene halide O-glucoside structures and preparation method and application thereof
CN104530149A (en) Halogen-substituted phenyl group double-O-glucoside derivant, and preparation method and application thereof
CN104530153A (en) One category of phenyl S-glucoside derivatives, preparation method of phenyl-class S-glucoside derivatives and application of phenyl-class S-glucoside derivatives in medicament
CN104478956A (en) Phenyl double O-glucoside derivative and preparation method and application thereof
CN104478965A (en) Alkoxy phenyl S-glucoside derivative and preparation method and application thereof
CN104447906A (en) Alcoxyl phenyl group diosgenin-diglucoside derivative and preparation method and application thereof
CN104447907A (en) Compound containing nitro biphenyl diosgenin-diglucoside structure and preparation method and application thereof
CN104497069A (en) Amido phenyl S-glucoside derivative, preparation method and use thereof
CN104447905A (en) Derivative containing nitrobenzene and bis-O-glucoside and preparation method and application of derivative
CN104478959A (en) Compound with nitrile group biphenyl double-glucoside structure and preparation method and application thereof
CN104478962A (en) Class of halogenated phenyl group S-glucoside derivative and preparation method and application of class of halogenated phenyl group S-glucoside derivative
CN104530151A (en) Compound containing nitrobenzene S-glucoside structure and application thereof
CN104478960A (en) Compound containing acrylonitrile-based and benzotrifluoride-based O-glucoside structure and application
CN104497070A (en) Compound with trifluoromethyl-S-glucoside and application

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Class of bis-alcoxyl phenyl group propylene glycol derivative and application of class of bis-alcoxyl phenyl group propylene glycol derivative

Effective date of registration: 20170816

Granted publication date: 20160309

Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd

Pledgor: FOSHAN SAIWEISI PHARMACEUTICAL TECHNOLOGY CO., LTD.

Registration number: 2017990000756

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20190604

Granted publication date: 20160309

Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd

Pledgor: FOSHAN SAIWEISI PHARMACEUTICAL TECHNOLOGY CO., LTD.

Registration number: 2017990000756

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20191016

Address after: 225321 No. 21 Gangcheng Road, Gaogang District, Taizhou City, Jiangsu Province

Patentee after: Sun Jian Chun

Address before: Chancheng district has 528000 Taiwan public in Guangdong province Foshan City No. 32 first floor 1636, shop No. 1637

Patentee before: FOSHAN SAIWEISI PHARMACEUTICAL TECHNOLOGY CO., LTD.