WO2012068981A1 - 6-脱氧-6-硫醚-氨基酸环糊精衍生物及其制备方法 - Google Patents
6-脱氧-6-硫醚-氨基酸环糊精衍生物及其制备方法 Download PDFInfo
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- WO2012068981A1 WO2012068981A1 PCT/CN2011/082577 CN2011082577W WO2012068981A1 WO 2012068981 A1 WO2012068981 A1 WO 2012068981A1 CN 2011082577 W CN2011082577 W CN 2011082577W WO 2012068981 A1 WO2012068981 A1 WO 2012068981A1
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- amino acid
- thioether
- deoxy
- cyclodextrin derivative
- cyclodextrin
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- 0 CC(C)CC(CCC(*)(*)C(C(C)C)C1O)CS=C(C(C2O)O)OC(CI)C2C(C)(*)OC(C)C1O Chemical compound CC(C)CC(CCC(*)(*)C(C(C)C)C1O)CS=C(C(C2O)O)OC(CI)C2C(C)(*)OC(C)C1O 0.000 description 3
- FTJDQWBCRPZJGT-UHFFFAOYSA-N CC(C)(CCCCC(C)(C)OC(C1O)OC2CSCCC(C(O)=O)N)C2C1O Chemical compound CC(C)(CCCCC(C)(C)OC(C1O)OC2CSCCC(C(O)=O)N)C2C1O FTJDQWBCRPZJGT-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0009—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid alpha-D-Glucans, e.g. polydextrose, alternan, glycogen; (alpha-1,4)(alpha-1,6)-D-Glucans; (alpha-1,3)(alpha-1,4)-D-Glucans, e.g. isolichenan or nigeran; (alpha-1,4)-D-Glucans; (alpha-1,3)-D-Glucans, e.g. pseudonigeran; Derivatives thereof
- C08B37/0012—Cyclodextrin [CD], e.g. cycle with 6 units (alpha), with 7 units (beta) and with 8 units (gamma), large-ring cyclodextrin or cycloamylose with 9 units or more; Derivatives thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
- A61K31/716—Glucans
- A61K31/724—Cyclodextrins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P21/00—Drugs for disorders of the muscular or neuromuscular system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P21/00—Drugs for disorders of the muscular or neuromuscular system
- A61P21/02—Muscle relaxants, e.g. for tetanus or cramps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/40—Cyclodextrins; Derivatives thereof
Definitions
- the invention belongs to the field of chemical pharmacy, and relates to a 6-deoxy-6-thioether-amino acid cyclodextrin derivative and a preparation method thereof, mainly relating to a 6-deoxysulfoxide-based-6-thioether-amino acid cyclodextrin derivative, 6 a deoxysulfone-6-thioether-amino acid cyclodextrin derivative and a process for the preparation thereof, and a use thereof for preparing a muscle relaxant drug, which rapidly reverses muscle relaxation caused by muscle relaxant, and It has high safety and is also characterized by easy availability of raw materials and low production cost.
- R is (dC 6 )indenylene, optionally substituted by 1 to 3 OH groups or (CH 2 ) r-phenylene-(CH 2 ) t -; r and t are each independently 0 to 4;
- Sugammadex is a 6-thioether cyclodextrin derivative in CN1402737, marketed in July 2007 by Schering-Plough's sugammadex (Bridion) for reversing the routine use of the neuromuscular blocking drug rocuronium or vecuron Ammonium can immediately reverse the effect of rocuronium used in adults and routinely reverse the effects of rocuronium used in children and adolescents (2 to 17 years old).
- Sugammadex The main disadvantage of Sugammadex is that it can only antagonize the muscle antagonism caused by rocuronium bromide and vecuronium bromide.
- bromide, piperacium bromide, dacuronium bromide, quinine bromide Ammonium or the like has the disadvantage of poor reversal or antagonistic effect.
- q is one of 1 or 2;
- R 0 is (C r C 6 ) anthracenylene, optionally substituted by 1 to 3 OH groups or (CH 2 ) X-phenylene-(CH 2 ) g -, wherein X is 0, 1, 2 One of 3 or 4, g is one of 0, 1, 2, 3 or 4;
- X is one of COOH, CONHR 8 , NHCOR 9 , S0 2 OH, PO (OH) 2 , O (CH 2 -CH 2 -0) h -H, OH or tetrazol-5-yl, wherein R 8 is One of hydrogen, (d- 3 ) fluorenyl or (C 1-3 ) fluorenyl containing COOH, R 9 is a carboxyphenyl group, and h is one of 1, 2 or 3.
- the use of the compound of the invention in the preparation of a muscle relaxant drug reverses the neuromuscular relaxation induced by the muscle relaxant of the patient or the animal, and has a reversal and antagonistic effect on muscle relaxation induced by the muscle relaxant.
- the advantage is that it has better selectivity, but the substitution of the amino acid of the a-position and its derivatives is not included in the structure of the compound.
- a is one of 0, 1, 2, 3, 4, 5, 6, 7 or 8;
- b is one of 1, 2, 3, 4, 5, 6, 7, 8 or 9;
- a+b is one of 6, 7, 8 or 9;
- f is one of 0, 1 or 2;
- ⁇ is (C r C 6 ) anthracenyl, optionally substituted by 1 to 2 CH 3 groups, 1 to 2 0H groups or (CH 2 ) V-phenylene-(CH 2 ) k -, Where V is one of 0, 1, 2, 3 or 4, and k is one of 0, 1, 2, 3 or 4;
- R 2 , R 3 are in the D configuration, the L configuration or the racemic -H, formyl, acetyl, methyl, ethyl, oxocarbonyl, t-butoxycarbonyl, fluorenylmethoxycarbonyl, -CH 2 C00M, one of hydroxyphenyl groups, the substituents may be the same or different;
- M is -H, NH 4 or an alkali metal ion.
- the 6-deoxy-6-thioether-amino acid cyclodextrin derivative has a structure of the formula ( ⁇ ) when f is 0;
- Another object of the present invention is to provide a 6-month. (-6-thioether-amino acid cyclodextrin derivative preparation method by the following steps:
- Amino acid derivative (2) is condensed with a halogenated cyclodextrin (1) in the presence of a base Thioether-amino acid cyclodextrin derivative (1).
- the reaction formula is as follows:
- the cyclodextrin (1) includes ⁇ -cyclodextrin, ⁇ -cyclodextrin, ⁇ -cyclodextrin, ⁇ -cyclodextrin.
- the oxidizing agent used in the oxidation reaction is a peroxy acid salt or an organic peroxide, which is selected from the group consisting of persulfate sulfuric acid, H 2 O 2 , KC10 4 , H 2 S0 4 , KMn0 4 , Na 2 0 2 or K 2 0 2 One.
- Still another object of the present invention is to provide a 6-deoxy-6-thioether-amino acid cyclodextrin derivative for use in the preparation of a muscle relaxant drug.
- the raw materials used in the production of the compound provided by the invention are easy to obtain, the preparation process is stable, the yield is high, the cost is low, and the environment is environmentally friendly. It has stronger binding and selectivity to muscle relaxants, has strong reversal and antagonism to muscle relaxants, improves drug efficacy, and more importantly, the safety of the compounds of the present invention is higher than that of known compounds. Doubled.
- the dried benzyloxycarbonyl-L-cysteine 6 g (0.024 mol) was weighed, and the dehydrated 60 ml of DMF was weighed, added to a dry three-necked flask, and stirred to a fully soluble colorless solution.
- the temperature of the reaction solution was lowered to -20 ° C under a constant temperature cold bath, and sodium hydride (60%) 2.35 g (0.059 mol) was slowly added in portions, argon gas protection, mechanical stirring, temperature control below -5 ° C, plus After the completion of the stirring, continue to stir until no bubbles emerge and then transfer to about 5 ° C for 2 ⁇ 3h (to no bubbles).
- the ice bath was controlled at a temperature below 10 ° C, and 2.29 g (1.05 mmol) of 6-fully deoxy-6-periodo- ⁇ -cyclodextrin was dissolved in DMF, and the above benzyloxycarbonyl-L-cysteine was added.
- argon gas is protected and mechanically stirred to make the mixture uniform.
- reaction solution The temperature of the reaction solution was gradually raised to 70 ° C, and after 12 hours of reaction, the reaction solution was cooled to room temperature, filtered, and the filter cake was washed with acetone until no iodide ions, and dried under reduced pressure to obtain 6-total deoxy-6-all (N - Benzyloxycarbonyl-L-glycine methyl) thioether- ⁇ -cyclodextrin sodium salt (CD-I), yield 50%.
- CD-I 6-total deoxy-6-all (N - Benzyloxycarbonyl-L-glycine methyl) thioether- ⁇ -cyclodextrin sodium salt
- CD-I 16.86g (5mmol) was suspended in 20ml of acetic acid, added dropwise with stirring 0.85g (7.5mmol) 30% H 2 0 2 solution, the reaction temperature for 6 hours, ethanol was added to the reaction solution to precipitate a solid, recrystallized from methanol, 6-Deoxy-6-all (N-benzyloxycarbonyl-L-glycine methyl) sulfoxide- ⁇ -cyclodextrin CD-2) was obtained in a yield of 90%. Excess 3 ⁇ 40 2 in the filtrate was removed by the addition of sodium thiosulfate.
- CD-I 16.86 g (5 mmol) was suspended in 20 ml of acetic acid, and 2.83 g (25 mmol) 30% was added dropwise with stirring. The aqueous solution of H 2 O 2 was kept at 40-60 ° C for 5 hours, and an alcohol was added to the reaction liquid to precipitate a solid, which was recrystallized from methanol to obtain 6-tolyoxy-6-all (N-benzyloxycarbonyl-L-glycine methyl group). Sulfone- ⁇ -cyclodextrin (CD-3), yield 88%. Excess 3 ⁇ 40 2 in the filtrate was removed by the addition of sodium thiosulfate.
- CD-I (11.33g, 3.36mmol) was dissolved in glacial acetic acid (30ml) at room temperature. Hydrogen chloride gas was introduced under stirring. TLC was further stirred until the reaction was completed. The formed sodium chloride solid was removed by filtration and detected in the mother liquor. After the chloride ion is not contained, the precipitate is precipitated by adding acetone to the mother liquor, filtered, and dried to obtain 6-all deoxy-6-per( ⁇ -L-glycine methyl) sulfide- ⁇ -cyclodextrin (CD-4). The rate is 92%.
- CD-3 (11.75g, 3.36mmol) was dissolved in glacial acetic acid (30ml) at room temperature. Hydrogen chloride gas was introduced under stirring. TLC was further stirred until the reaction was completed. The precipitate was precipitated by adding acetone to the reaction solution, filtered and dried. 6-total deoxy-6-all (aL-glycine methyl) sulfone- ⁇ -cyclodextrin (CD-6), yield 87%.
- the temperature of the ice bath was controlled at about 5 ° C, and 6.38 g (3.85 mmol) of DMF solution of 6-fully deoxy-6-periodo- ⁇ -cyclodextrin was added to the above reaction-completed N-acetylcysteine sodium salt.
- the temperature of the reaction solution was gradually raised to 70 ° C. After 12 h of reaction, the reaction solution was cooled to room temperature, filtered, and the filter cake was washed twice with DMF and then with acetone until triphenylphosphine and triphenylphosphine oxide. Dry under reduced pressure to obtain a crude sodium salt.
- the crude sodium salt was dissolved in glacial acetic acid, and dry hydrogen chloride gas was introduced into the solution under ice-cooling. After 20 minutes, a white solid precipitated, which was then filtered (about 1 hour). The dried acetone was gradually added to the filtrate, and a solid precipitated, and the filter cake was washed with acetone until it was sour-free, and dried under reduced pressure to obtain 6-fully deoxy-6-all (N-acetylglycine methyl) sulfide- ⁇ - Cyclodextrin (CD-8), yield 48%.
- the dried N-tert-butoxycarbonyl-L-cysteine 5.31 g (0.024 mol) was weighed out, and the dried 40 ml of DMF was weighed, added to a dry three-necked flask, and stirred until fully dissolved.
- the temperature of the reaction solution was lowered to about -15 °C under a constant temperature cold bath, and sodium hydride (60%) 2.35 g (0.059 mol) was slowly added in portions, protected by argon gas, mechanically stirred, and the temperature was controlled below -5 °C. After the addition is completed, the stirring is continued until no bubbles are emitted and then transferred to 5 ° C for about 2 to 3 hours (to no bubbles).
- the temperature of the ice bath was controlled to be 10 ° C or less, and a solution of 2.29 g (1.05 mmol) of 6-perdeoxy-6-periodo- ⁇ -cyclodextrin in DMF was poured into the above N-tert-butoxycarbonyl-L-cysteine.
- the solution of the sodium salt of sodium chloride was protected by argon gas, mechanically stirred to make the mixture uniform, and stirring was continued for about 30 minutes.
- the temperature of the reaction solution was gradually raised to 70 ° C.
- reaction solution was cooled to room temperature, filtered, and the filter cake was washed twice with DMF, washed with acetone until no iodide ions, and dried under reduced pressure to obtain 6-full Deoxy-6-all (N-tert-butoxycarbonyl-L-glycine methyl) sulfide- ⁇ -cyclodextrin sodium salt (CD-10), yield 46%.
- CD-10 15.5g (5mmol) was suspended in 20ml of acetic acid, 0.85g (7.5mmol) of 30% H 2 2 2 aqueous solution was added dropwise with stirring, and reacted at room temperature for 6 hours. The solid was precipitated into the reaction liquid, and the methanol was recrystallized. 6-Deoxyoxy-6-per(N-tert-butoxycarbonyl-L-glycine methyl) sulfoxide- ⁇ -cyclodextrin (CD-11) was obtained in a yield of 90.2%. Excess 3 ⁇ 40 2 in the filtrate was removed by the addition of sodium thiosulfate.
- the temperature of the ice bath was controlled at about 5 ° C, and 6.38 g (3.85 mmol) of DMF solution of 6-fully deoxy-6-periodo- ⁇ -cyclodextrin was added to the above reaction-completed benzyloxycarbonyl-L-high half.
- the reaction solution of the sodium cystine salt 30 ml of DMF was rinsed to the reaction flask to allow the whole product to enter the reaction solution.
- the temperature of the reaction solution was gradually raised to 70 ° C.
- CD-13 15.24g (5mmol) was suspended in 20ml of acetic acid, 0.85g (7.5mmol) of 30% H 2 O 2 aqueous solution was added dropwise with stirring, and reacted at room temperature for 6 hours. The solid was precipitated into the reaction liquid, and the methanol was recrystallized. 6-Deoxyoxy-6-per(N-benzyloxycarbonyl-L-glycine ethyl) sulfoxide- ⁇ -cyclodextrin (CD-14) was obtained in a yield of 87.6%. Excess 3 ⁇ 40 2 in the filtrate was removed by the addition of sodium thiosulfate.
- CD- 13 15.24 g (5 mmol) was suspended in 20 ml of acetic acid, and 2.83 g (25 mmol) of a 30% H 2 O 2 aqueous solution was added dropwise with stirring, and the reaction was kept at 40-60 ° C for 5 hours, and an alcohol was added to the reaction liquid to precipitate a solid. Methanol was recrystallized to give 6-perdeoxy-6-per(N-benzyloxycarbonyl-L-glycine ethyl)sulfone- ⁇ -cyclodextrin (CD-15) in a yield of 84.3%. Excess 3 ⁇ 40 2 in the filtrate was removed by the addition of sodium thiosulfate.
- CD-13 (10.62g, 3.36mmol) was dissolved in glacial acetic acid (30ml) at room temperature. Hydrogen chloride gas was introduced under stirring. TLC was further stirred until the reaction was completed. The formed sodium chloride solid was removed by filtration and detected in the mother liquor. After the chloride ion is not contained, the precipitate is precipitated by adding acetone to the mother liquor, filtered, and dried to obtain 6-all deoxy-6-all ( ⁇ -L-amino acid ethyl) sulfide- ⁇ -cyclodextrin (CD-16). The rate is 89.2%.
- the benzyloxycarbonyl-D-penicillamine 24.93 g (0.088 mol) was weighed, and the dried 160 ml of DMF was weighed, added to a dry three-necked flask, and stirred, and the solid was completely dissolved. Under the constant temperature cold bath, the temperature of the reaction solution was lowered to about -10 °C, sodium hydride (60%) was added slowly in batches, 8.81 g, argon gas protection, mechanical stirring, temperature control below -5 °C, continue after the addition Stir until no bubbles emerge and then transfer to about 5 °C until no bubbles emerge (about 2 ⁇ 3h). The reaction will become viscous during the mixing process, and DMF can be added.
- the temperature of the ice bath was controlled at about 5 °C, and 8.38 g (3.85 mmol) of DMF solution of 6-fully deoxy-6-periodo- ⁇ -cyclodextrin was added to the above reaction-completely benzyloxycarbonyl-D-penicillium.
- DMF solution of 6-fully deoxy-6-periodo- ⁇ -cyclodextrin was added to the above reaction-completely benzyloxycarbonyl-D-penicillium.
- 30 ml of DMF was rinsed to the reaction flask to allow the product to completely enter the reaction solution.
- the temperature of the reaction solution was gradually raised to 70 ° C.
- reaction solution was cooled to room temperature, filtered, and the filter cake was washed twice with DMF and then washed with acetone until no triphenylphosphine and triphenylphosphine oxide. It was dried under reduced pressure to give 6-deoxy-oxy-6-all (N-benzyloxycarbonyl-D-glycine dimethyl) sulfide-y-cyclodextrin sodium salt (CD-18), yield 44%.
- CD-18 (12.51g, 3.36mmol) was dissolved in glacial acetic acid (30ml) at room temperature. Hydrogen chloride gas was introduced under stirring. TLC was further stirred until the reaction was completed. The formed sodium chloride solid was removed by filtration and detected in the mother liquor. After the chloride ion is not contained, the precipitate is precipitated by adding acetone to the mother liquor, filtered, and dried to obtain 6-perdeoxy-6-per( ⁇ -D-amino acid dimethyl) sulfoxide- ⁇ -cyclodextrin (CD-19). The yield was 82.7%.
- the dried benzyloxycarbonyl-L-cysteine 6 g (0.024 mol) was weighed out, and the dried 60 ml of DMF was weighed, added to a dry three-necked flask, and stirred to a completely soluble colorless solution.
- the temperature of the reaction solution was lowered to -20 ° C under a constant temperature cold bath, and sodium hydride (60%) 2.35 g (0.059 mol) was slowly added in portions, argon gas protection, mechanical stirring, temperature control below -5 ° C, plus After the completion of the stirring, continue to stir until no bubbles emerge and then transfer to about 5 ° C for 2 ⁇ 3h (to no bubbles).
- the temperature of the ice bath is controlled to be less than 10 ° C.
- 6-deoxy-oxy-6-periodo- ⁇ -cyclodextrin 2 g (1.05 mmol) is dissolved in DMF, and the above benzyloxycarbonyl-L-cysteine is added.
- argon gas is protected and mechanically stirred to make the mixture uniform.
- reaction solution The temperature of the reaction solution was gradually raised to 70 ° C, and after 12 hours of reaction, the reaction solution was cooled to room temperature, filtered, and the filter cake was washed with acetone until no iodide ions, and dried under reduced pressure to obtain 6-total deoxy-6-all (N - Benzyloxycarbonyl-L-glycine methyl) thioether- ⁇ -cyclodextrin sodium salt (CD-21), yield 56%.
- CD-21 14.75g (5mmol) suspended in 20ml acetic acid, added dropwise with stirring 0.85 g (7.5 mmol) of a 30% H 2 O 2 aqueous solution was reacted at room temperature for 6 hours, and an alcohol was added to the reaction liquid to precipitate a solid, which was recrystallized from methanol to give 6-deoxy-oxy-6-all (N-benzyloxycarbonyl-L- Glycine methyl) sulfoxide- ⁇ -cyclodextrin (CD-22), yield 83.5%. Excess 3 ⁇ 40 2 in the filtrate was removed by the addition of sodium thiosulfate.
- 6-Deoxy-6-all (N-methyl-D-cysteine) thioether- ⁇ -cyclodextrin (CD-26) 3.6 g (1.61 mmol) was dissolved in 2 ml of water and stirred under ice bath An aqueous solution of 0.064 g (1.61 mmol) of sodium hydroxide was added thereto, and the mixture was thoroughly stirred, and the plate was followed until the reaction was completed. The reaction solution was poured into acetone to completely precipitate the solid, filtered, and the filter cake was washed with acetone and dried to obtain 6-perdeoxy-6-all (N-methyl-D-cysteine) sulfide- ⁇ -cyclodide. Sodium salt (CD-27), yield 97%.
- the temperature of the ice bath was controlled at about 5 ° C, and 6.38 g (3.85 mmol) of DMF solution of 6-fully deoxy-6-periodo- ⁇ -cyclodextrin was added to the above reaction-complete N-acetyl-D-cysteine.
- the temperature of the reaction solution was gradually raised to 70 ° C. After 12 h of reaction, the reaction solution was cooled to room temperature, filtered, and the filter cake was washed twice with DMF and then with acetone until triphenylphosphine and triphenylphosphine oxide. Dry under reduced pressure to obtain crude sodium salt.
- the crude sodium salt was dissolved in glacial acetic acid, and dry hydrogen chloride gas was introduced into the solution under ice-cooling. After 20 minutes, a white solid precipitated, which was filtered (n. l). The dried acetone was gradually added to the filtrate, and a solid was precipitated, filtered, and the filter cake was washed with acetone until it was not sour, and dried under reduced pressure to give 6-tolyoxy-6-all (N-acetyl-D-glycine methyl) sulfide. - ⁇ -cyclodextrin (CD-30), yield 51%.
- the compound of the present invention (2 mg/kg) is administered, and the detection index is:
- CD- 16 2.25 3.50 8.50 3.50 5.75
- CD-4 2.25 2.00 4.50 2.25 3.75 CD-7 1.25 1.50 2.75 1.25 1.50
- mice Male mice were administered with the present invention by tail vein injection, and toxicity was observed. The results are shown in Table 2.
- the maximum undead dose of the listed product bridion mice of CN1402737 is 2000mg/kg, and the compounds of the invention are administered CD-7, CD-9, CD-17, CD-20, CD-25, CD-27 or CD-29. At a dose of 4000 mg/kg, the mice were still normal, indicating that the safe dose of the compound of the present invention was doubled and the medication was safe.
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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CA2819007A CA2819007C (en) | 2010-11-26 | 2011-11-21 | 6-deoxy-6-thioether-amino acid cyclodextrin derivatives and preparation method thereof |
US13/989,794 US10017584B2 (en) | 2010-11-26 | 2011-11-21 | 6-deoxy-6-thioether-amino acid cyclodextrin derivative and preparation method thereof |
ES11842866.3T ES2622332T3 (es) | 2010-11-26 | 2011-11-21 | Derivados de 6-desoxi-6-tioéter-aminoácido-ciclodextrina y método de preparación de los mismos |
DK11842866.3T DK2644624T3 (en) | 2010-11-26 | 2011-11-21 | 6-DEOXY-6-THIOETHER AMINO ACID CYCLODEXTRIN DERIVATIVES AND PROCEDURE FOR PREPARING THEREOF |
EP11842866.3A EP2644624B1 (en) | 2010-11-26 | 2011-11-21 | 6-deoxy-6-thioether-amino acid cyclodextrin derivatives and preparation method thereof |
JP2013540226A JP5845279B2 (ja) | 2010-11-26 | 2011-11-21 | 6−デオキシ―6−チオエーテル―アミノ酸シクロデキストリン誘導物およびその調製方法 |
US16/028,902 US10669352B2 (en) | 2010-11-26 | 2018-07-06 | 6-deoxy-6-thioether-amino acid cyclodextrin derivative and preparation method thereof |
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CN201010566606.3 | 2010-11-26 | ||
CN2010105666063A CN102060941B (zh) | 2010-11-26 | 2010-11-26 | 6-脱氧α-氨基酸衍生物环糊精及制备和应用 |
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US13/989,794 A-371-Of-International US10017584B2 (en) | 2010-11-26 | 2011-11-21 | 6-deoxy-6-thioether-amino acid cyclodextrin derivative and preparation method thereof |
US16/028,902 Division US10669352B2 (en) | 2010-11-26 | 2018-07-06 | 6-deoxy-6-thioether-amino acid cyclodextrin derivative and preparation method thereof |
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CA (1) | CA2819007C (zh) |
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CN102060941B (zh) * | 2010-11-26 | 2012-12-26 | 漆又毛 | 6-脱氧α-氨基酸衍生物环糊精及制备和应用 |
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JP2013543915A (ja) | 2013-12-09 |
EP2644624A4 (en) | 2014-06-04 |
US20190010255A1 (en) | 2019-01-10 |
CA2819007A1 (en) | 2012-05-31 |
CA2819007C (en) | 2016-01-05 |
CN102060941B (zh) | 2012-12-26 |
DK2644624T3 (en) | 2017-05-01 |
US10017584B2 (en) | 2018-07-10 |
JP5845279B2 (ja) | 2016-01-20 |
CN102060941A (zh) | 2011-05-18 |
EP2644624B1 (en) | 2017-02-22 |
US20130244979A1 (en) | 2013-09-19 |
US10669352B2 (en) | 2020-06-02 |
EP2644624A1 (en) | 2013-10-02 |
ES2622332T3 (es) | 2017-07-06 |
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