CN104784190A - Application of O-(benzimidazolyl) ethyl derivative of cleistanone in preparation of medicine for resisting acute renal failure - Google Patents

Application of O-(benzimidazolyl) ethyl derivative of cleistanone in preparation of medicine for resisting acute renal failure Download PDF

Info

Publication number
CN104784190A
CN104784190A CN201510213239.1A CN201510213239A CN104784190A CN 104784190 A CN104784190 A CN 104784190A CN 201510213239 A CN201510213239 A CN 201510213239A CN 104784190 A CN104784190 A CN 104784190A
Authority
CN
China
Prior art keywords
renal failure
acute renal
muell
miq
arg
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
CN201510213239.1A
Other languages
Chinese (zh)
Inventor
吴俊华
罗东君
吴俊艺
黄蓉
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.)
Nanjing University
Original Assignee
Nanjing University
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 Nanjing University filed Critical Nanjing University
Priority to CN201510213239.1A priority Critical patent/CN104784190A/en
Publication of CN104784190A publication Critical patent/CN104784190A/en
Pending legal-status Critical Current

Links

Landscapes

  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The invention relates to the field of organic synthesis and medicinal chemistry and particularly discloses an O-(benzimidazolyl) ethyl derivative of cleistanone, a preparation method and an application thereof in preparation of a medicine for resisting acute renal failure. A novel O-(benzimidazolyl) ethyl derivative of cleistanone is synthesized and the preparation method is disclosed. The pharmacological experiment shows that the O-(benzimidazolyl) ethyl derivative of cleistanone has the effect of resisting the acute renal failure and has a value for developing the medicine to resist the acute renal failure.

Description

The application of O-(benzimidazolyl) ethyl derivative in the anti-acute renal failure medicine of preparation of Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone
Technical field
The present invention relates to organic synthesis and medicinal chemistry art, be specifically related to Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant, preparation method and its usage.
Background technology
Acute renal failure (Acute Renal Failure, ARF) be the clinical syndrome caused by many reasons, be found in clinical departments patient, sickness rate is high and often have serious consequences, its feature is that (a few hours are to a couple of days) renal function sharply declines in a short time, clinical manifestation is acute oliguria (urine volume <400mLPd) or anuria (urine volume <100mLPd), in body, nitrogen matter metabolite is discharged and is produced obstacle, there is azotemia rapidly, water and electrolyte, acid base imbalance, and cause each system corresponding function imbalance of whole body.The principal element of acute renal failure is caused to be the sharply minimizing of renal blood flow, and the oxidative stress caused due to nephridial tissue ischemia and cell injury, finally cause the deterioration of renal tissue structural damage and function.There is no the generally acknowledged effective medicine for the treatment of acute renal failure clinically at present, only by correcting water-electrolyte balance, correcting the symptomatic treatment measures such as acidosis and improving symptom, the later stage also needs to maintain body function by hemodialysis.Improving kidney perfusion obstacle and alleviating in Renal tissues damage and have the clinical medicine of obvious curative effects rare.
From natural product, find compound or lead compound and carry out structural modification and obtain its derivant, thus the potential drug obtaining high-efficiency low-toxicity there is important value most.
The compound Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone that the present invention relates to is one and within 2011, delivers (Van Trinh ThiThanh et al., 2011.Cleistanone:A Triterpenoid from Cleistanthus indochinensis witha New Carbon Skeleton. volume2011, Issue22,pages 4108 – 4111, August 2011) compound, we have carried out structural modification to compound Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone, obtain a new Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant, and its anti-acute renal failure activity is evaluated, it is active that it has anti-acute renal failure.
Summary of the invention
The invention discloses a Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant, its structure is:
Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) of the present invention is by method preparation below:
(1) Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone (I) and glycol dibromide are obtained by reacting the O-bromoethyl derivant (II) of Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone;
(2) the O-bromoethyl derivant (II) of Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone obtains Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) with benzimidazole generation substitution reaction.
The preparation method of further Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) is:
(1) 440mg compound Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone (I) is dissolved in 10mL benzene, in solution, adds the tetrabutyl ammonium bromide of 0.04g, the glycol dibromide of 3.760g and 50% sodium hydroxide solution of 6mL; Mixture stirs 24h at 25 degrees Celsius; After 24h, reactant liquor is poured in frozen water, use dichloromethane extraction twice immediately, merge organic phase solution; Then use water and saturated common salt water washing 3 times successively to organic phase solution, then use anhydrous sodium sulfate drying, last concentrating under reduced pressure is removed solvent and is obtained product crude product; Product crude product purification by silica gel column chromatography, mobile phase is: petroleum ether/acetone=100:1, v/v, collects the yellow yellow solid concentrating elution band namely to obtain the O-bromoethyl derivant (II) of Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone.
(2) the O-bromoethyl derivant of the Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr of 273mg wood ketone Cleistanone is dissolved in the middle of 15mL acetonitrile, adds the Anhydrous potassium carbonate of 345mg wherein, the potassium iodide of 84mg and the benzimidazole of 1180mg, mixture reflux 5h; After reaction terminates, reactant liquor is poured in frozen water, with equivalent dichloromethane extraction three times, merge organic facies; Organic facies after merging with water and saturated common salt water washing successively, then use anhydrous sodium sulfate drying, concentrating under reduced pressure is removed solvent and is obtained product crude product; Product crude product purification by silica gel column chromatography, mobile phase is: petroleum ether/acetone=100:1.5, v/v, collects the brown solid that namely brown concentrated elution band obtains Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III).
Compound disclosed by the invention can make pharmaceutically acceptable salt or pharmaceutically acceptable carrier.
The object of this invention is to provide the purposes that Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) is used for the treatment of acute renal failure, namely for the preparation of the purposes for the treatment of acute renal failure medicine.
Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) of the present invention has obvious therapeutical effect to acute renal failure disease.
Find that Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) can improve the function of kidney by our research.
The present invention is further detailed explanation by the following examples, but protection scope of the present invention is not by any restriction of specific embodiment, but be limited by claim.
Detailed description of the invention
The preparation of embodiment 1 compound Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone
Document (the Van Trinh Thi Thanh et al. that the people such as the preparation method reference Van Trinh Thi Thanh of compound Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone (I) deliver, 2011.Cleistanone:A Triterpenoid fromCleistanthus indochinensis with a New Carbon Skeleton.Volume 2011, Issue 22, pages 4108 – 4111, August 2011) method.
The synthesis of the O-bromoethyl derivant (II) of embodiment 2 Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone
By Compound I (440mg, 1.00mmol) be dissolved in 10mL benzene, add in solution tetrabutyl ammonium bromide (TBAB) (0.04g), 1,50% sodium hydroxide solution of 2-Bromofume (3.760g, 20.00mmol) and 6mL.Mixture stirs 24h at 25 degrees Celsius.After 24h, reactant liquor is poured in frozen water, use dichloromethane extraction twice immediately, merge organic phase solution.Then use water and saturated common salt water washing 3 times successively to organic phase solution, then use anhydrous sodium sulfate drying, last concentrating under reduced pressure is removed solvent and is obtained product crude product.Product crude product purification by silica gel column chromatography (mobile phase is: petroleum ether/acetone=100:1, v/v), collects the yellow yellow solid (344mg, 63%) concentrating elution band namely to obtain Compound II per.
1H NMR(500MHz,DMSO-d 6)δ5.04(s,1H),4.82(s,1H),3.94(d,J=26.5Hz,1H),3.87(d,J=26.5Hz,2H),3.57(s,2H),2.40(d,J=14.0Hz,1H),2.39(d,J=14.0Hz,1H),2.27(s,1H),2.21(s,1H),2.15(s,1H),1.82(s,1H),1.62(s,2H),1.57(d,J=3.3Hz,1H),1.54(d,J=3.3Hz,1H),1.50(d,J=1.2Hz,1H),1.47(d,J=1.2Hz,1H),1.39(d,J=15.3Hz,2H),1.34(d,J=15.3Hz,1H),1.26(dd,J=32.6,13.7Hz,4H),1.13(d,J=18.0Hz,2H),1.05(s,6H),0.98(s,1H),0.88(s,12H),0.78(s,3H),0.74(s,1H)。
13C NMR(125MHz,DMSO-d6)δ216.59(s),154.50(s),105.23(s),74.63(s),69.85(s),59.71(s),52.55(s),51.21(s),47.92(s),44.10(s),42.25(s),41.73(s),40.64(s),40.16(s),38.88(s),38.65(s),37.21(s),36.23(s),33.34(d,J=1.1Hz),32.96(s),29.91(s),27.18(s),26.03(s),24.23(s),23.96(s),20.77(s),18.48(s),17.98(s),16.93(s)。
HRMS(ESI)m/z[M+H] +calcd for C 32H 52BrO 2:547.3151;found 547.3159.
The synthesis of O-(benzimidazolyl) ethyl derivative (III) of embodiment 3 Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone
Compound II per (273mg, 0.5mmol) is dissolved in the middle of 15mL acetonitrile, adds Anhydrous potassium carbonate (345mg wherein, 2.5mmol), potassium iodide (84mg, 0.5mmol) and benzimidazole (1180mg, 10mmol), mixture reflux 5h.After reaction terminates, reactant liquor is poured in frozen water, with equivalent dichloromethane extraction three times, merge organic facies.Organic facies after merging with water and saturated common salt water washing successively, then use anhydrous sodium sulfate drying, concentrating under reduced pressure is removed solvent and is obtained product crude product.Product crude product purification by silica gel column chromatography (mobile phase is: petroleum ether/acetone=100:1.5, v/v), collects brown concentrated elution band, the concentrated brown solid (105.2mg, 36%) namely obtaining compound III.
1H NMR(500MHz,DMSO-d6)δ8.27(s,1H),7.68(d,J=25.0Hz,2H),7.31(s,1H),7.21(s,1H),4.65(s,1H),4.56(s,1H),4.14(d,J=7.9Hz,2H),4.05(s,1H),3.93(s,2H),2.51(d,J=127.9Hz,1H),2.37(s,1H),2.28(d,J=15.8Hz,2H),2.22(s,1H),1.90(s,2H),1.83(s,1H),1.66(s,2H),1.62–1.49(m,4H),1.29(t,J=17.7Hz,3H),1.19(d,J=14.3Hz,2H),1.11(d,J=7.6Hz,7H),1.02(dd,J=42.5,9.8Hz,13H),0.88(s,3H),0.80(s,1H),0.63(s,1H).
13C NMR(125MHz,DMSO-d6)δ216.57(s),154.46(s),146.57(s),139.24(s),134.35(s),124.01(s),123.47(s),118.67(s),110.97(s),105.19(s),74.62(s),67.84(s),59.73(s),52.52(s),51.17(s),47.88(s),45.48(s),44.08(s),42.26(s),41.75(s),40.61(s),40.13(s),38.83(s),38.62(s),37.22(s),36.24(s),33.30(s),32.92(s),29.86(s),27.16(s),26.04(s),24.24(s),23.92(s),20.75(s),18.43(s),17.97(s),16.93(s).
HRMS(ESI):m/z[M+H] +calcd for C 39H 57N 2O 2:585.4420;found:585.4416。
Embodiment 4 compound III is to the therapeutical effect of acute renal failure rat
(1) experimental technique
Intramuscular injection glycerol is adopted to cause Acute Renal Failure Rats animal model.Select the healthy male SD rat 30 of 180 ~ 220g, be divided into 3 groups at random: sham operated rats (intramuscular injection normal saline); Model group (intramuscular injection glycerol); Compound III group (compound III 0.6mg/Kg, intramuscular injection glycerol), each group rat tail vein injection saline or compound III immediately after glycerol modeling, be administered once after 12 and 24 hours again.
(2) observation index
Rat last is put into metabolic cage and is collected twenty-four-hour urine after giving compound III or normal saline, stay latter 6 hours of urine with 4% chloral hydrate intraperitoneal injection of anesthesia, adopt laser Doppler flowmetry to measure after modeling and bilateral renal blood flow after treatment, average as single animal renal blood flow; Get blood and prepare serum, measure blood BUN and Cre (all by the operation of test kit description).
(3) experimental result
1. compound III can increase acute renal failure Mouse Kidney blood flow
Table 1 compound III is on the impact of acute renal failure Mouse Kidney blood flow
* P<0.05vs acute renal failure model group
2. compound III is to the protective effect of acute renal failure Mouse Kidney function tool
Acute renal failure rat intravenous injection normal saline is after 24 hours, and serum BUN and Cre is in table 2.Acute renal failure model group, apparently higher than sham operated rats, illustrates that model group animal renal function injury is serious.Compound III can improve the renal function (P<0.05) of acute renal failure rat.In table 2.
The each rats in test groups renal function index of table 2 compares
* P<0.05vs acute renal failure model group
Conclusion: compound III can protect the function of kidney, can be used for preparing anti-acute renal failure medicine.
The preparation of embodiment 5 compound III tablet involved in the present invention
Get the one in the middle of 20 g of compound III or its pharmaceutically acceptable salt, add the customary adjuvant 180 grams preparing tablet, mixing, conventional tablet presses makes 1000.
The preparation of embodiment 6 compound III capsule involved in the present invention
Get the one in the middle of 20 g of compound III or its pharmaceutically acceptable salt, add prepare capsule customary adjuvant as starch 180 grams, mixing, encapsulatedly makes 1000.

Claims (4)

1. one kind has Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) and the application of pharmaceutically acceptable salt in treatment acute renal failure medicine thereof of structure shown in formula III:
2. a kind of Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) and the application of pharmaceutically acceptable salt in treatment acute renal failure medicine thereof with structure shown in formula III as claimed in claim 1, is characterized by: Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) improves the reduction of the renal blood flow amount caused by acute renal failure.
3. a kind of Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) and the application of pharmaceutically acceptable salt in treatment acute renal failure medicine thereof with structure shown in formula III as claimed in claim 1, is characterized by: Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) improves the rising of the serum BUN that acute renal failure causes.
4. a kind of Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) and the application of pharmaceutically acceptable salt in treatment acute renal failure medicine thereof with structure shown in formula III as claimed in claim 1, is characterized by: Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone derivant (III) improves the rising of the change of serum C re that acute renal failure causes.
CN201510213239.1A 2015-04-29 2015-04-29 Application of O-(benzimidazolyl) ethyl derivative of cleistanone in preparation of medicine for resisting acute renal failure Pending CN104784190A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510213239.1A CN104784190A (en) 2015-04-29 2015-04-29 Application of O-(benzimidazolyl) ethyl derivative of cleistanone in preparation of medicine for resisting acute renal failure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510213239.1A CN104784190A (en) 2015-04-29 2015-04-29 Application of O-(benzimidazolyl) ethyl derivative of cleistanone in preparation of medicine for resisting acute renal failure

Publications (1)

Publication Number Publication Date
CN104784190A true CN104784190A (en) 2015-07-22

Family

ID=53549693

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510213239.1A Pending CN104784190A (en) 2015-04-29 2015-04-29 Application of O-(benzimidazolyl) ethyl derivative of cleistanone in preparation of medicine for resisting acute renal failure

Country Status (1)

Country Link
CN (1) CN104784190A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106074525A (en) * 2016-06-13 2016-11-09 南京广康协生物医药技术有限公司 The composition of Schiglautone A derivative is used for preparing anti-acute renal failure medicine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104083383A (en) * 2014-07-31 2014-10-08 南京广康协生物医药技术有限公司 Application of O-(piperidyl)ethyl derivative of cleistanone to preparation of medicines for resisting acute renal failure (ARF)
CN104095856A (en) * 2014-06-27 2014-10-15 南京大学 Application of diethylamine derivative of Cleistanone in preparation of medicine resistant to acute renal failure
CN104434929A (en) * 2014-11-05 2015-03-25 南京广康协生物医药技术有限公司 Application of Cleistanone O-(piperazinyl)ethyl derivative in preparation of acute renal failure resisting drugs

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104095856A (en) * 2014-06-27 2014-10-15 南京大学 Application of diethylamine derivative of Cleistanone in preparation of medicine resistant to acute renal failure
CN104083383A (en) * 2014-07-31 2014-10-08 南京广康协生物医药技术有限公司 Application of O-(piperidyl)ethyl derivative of cleistanone to preparation of medicines for resisting acute renal failure (ARF)
CN104434929A (en) * 2014-11-05 2015-03-25 南京广康协生物医药技术有限公司 Application of Cleistanone O-(piperazinyl)ethyl derivative in preparation of acute renal failure resisting drugs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
VAN TRINH THI THANH 等: "Cleistanone:a triterpenoid from Cleistanthus indochinensis with a new carbon skeleton", 《EUR.J.ORG.CHEM.》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106074525A (en) * 2016-06-13 2016-11-09 南京广康协生物医药技术有限公司 The composition of Schiglautone A derivative is used for preparing anti-acute renal failure medicine

Similar Documents

Publication Publication Date Title
CN104083383B (en) The application in preparing anti-acute renal failure medicine of O-(piperidyl) ethyl derivative of Cleistanone Cleistanone
CN104814968A (en) Application of 0-(1H-tetrazole)ethyl derivative of Cleistanone to preparation of anti-heart-failure medicine
CN104095856A (en) Application of diethylamine derivative of Cleistanone in preparation of medicine resistant to acute renal failure
CN104188980B (en) O-(morpholinyl) ethyl derivative of Cleistanone Cleistanone, preparation method and its usage
CN104083379B (en) The dimethylamine derivative of Cleistanthus sumafranus (Miq) Muell-Arg-C. Saichikii Merr wood ketone Cleistanone is preparing the application in anti-rhinitis medicament thing
CN104784190A (en) Application of O-(benzimidazolyl) ethyl derivative of cleistanone in preparation of medicine for resisting acute renal failure
CN104434929B (en) The application in preparing anti-acute renal failure medicine of O-(piperazinyl) ethyl derivative of Cleistanone
CN104098644A (en) O-(piperidinyl) ethyl derivative of Cleistanone as well as preparation method and application thereof
CN105193793A (en) Composition and application thereof in anti-ARF (Acute Renal Failure) drugs
CN104666310A (en) Application of O-(triazolyl) ethyl derivative of Cleistanone in preparation of medicine resistant to acute renal failure
CN105343082A (en) Composition and application of composition in medicines for resisting acute renal failure
CN105267195A (en) Composition and application of composition to acute renal failure resisting drugs
CN104758298A (en) Application of O-(1H-tetrazolyl) ethyl derivative of cleistanone in preparation of medicines for treating or preventing renal fibrosis
CN104188983A (en) Application of Cleistanone O-(morpholinyl)ethyl derivative in preparation of heart failure resisting drugs
CN105287585A (en) Composition and application of composition in medicine for resisting acute renal failure
CN104402964A (en) Cleistanone O-(imidazolyl) ethyl derivative, and preparation method and application thereof
CN104906091A (en) Application of O-(diethylin)ethyl derivative of Daphmalenine A in preparing acute renal failure resisting drugs
CN104784176A (en) Application of derivative of Daphmalenine A in preparation of acute renal failure resisting drugs
CN105343076A (en) Composition and application thereof in acute renal failure resisting drug
CN106822107A (en) The imidazole radicals of Psiguadial A and two hydroxyethylamine derivative compositions are used for anti-acute renal failure
CN105250307A (en) Composition and application thereof to acute renal failure (ARF) resistant medicines
CN105250289A (en) Composition and application thereof to acute renal failure (ARF) resistant medicines
CN105213395A (en) Compositions and the application in anti-acute renal failure medicine thereof
CN105125556A (en) Composition and application thereof in drugs for resisting acute renal failure
CN106038542A (en) Application of composition of Artalbicacid derivatives in preparation of acute renal failure resistant drugs

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20150722

RJ01 Rejection of invention patent application after publication