CN102558273B - 氟替卡松糠酸酯的制备方法 - Google Patents
氟替卡松糠酸酯的制备方法 Download PDFInfo
- Publication number
- CN102558273B CN102558273B CN201010588166.1A CN201010588166A CN102558273B CN 102558273 B CN102558273 B CN 102558273B CN 201010588166 A CN201010588166 A CN 201010588166A CN 102558273 B CN102558273 B CN 102558273B
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- Prior art keywords
- reaction
- compound
- alpha
- compound iii
- methyl
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- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 229960001469 fluticasone furoate Drugs 0.000 title claims abstract description 17
- XTULMSXFIHGYFS-VLSRWLAYSA-N fluticasone furoate Chemical compound O([C@]1([C@@]2(C)C[C@H](O)[C@]3(F)[C@@]4(C)C=CC(=O)C=C4[C@@H](F)C[C@H]3[C@@H]2C[C@H]1C)C(=O)SCF)C(=O)C1=CC=CO1 XTULMSXFIHGYFS-VLSRWLAYSA-N 0.000 title claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 238000002360 preparation method Methods 0.000 claims abstract description 22
- NLFBCYMMUAKCPC-KQQUZDAGSA-N ethyl (e)-3-[3-amino-2-cyano-1-[(e)-3-ethoxy-3-oxoprop-1-enyl]sulfanyl-3-oxoprop-1-enyl]sulfanylprop-2-enoate Chemical compound CCOC(=O)\C=C\SC(=C(C#N)C(N)=O)S\C=C\C(=O)OCC NLFBCYMMUAKCPC-KQQUZDAGSA-N 0.000 claims abstract description 17
- -1 2-furoyl Chemical group 0.000 claims abstract description 15
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 15
- 238000005799 fluoromethylation reaction Methods 0.000 claims abstract description 14
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 25
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 24
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 10
- 229960000549 4-dimethylaminophenol Drugs 0.000 claims description 10
- VPJVZUREKATUEU-UHFFFAOYSA-N C(C)Br.[F] Chemical group C(C)Br.[F] VPJVZUREKATUEU-UHFFFAOYSA-N 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 238000005649 metathesis reaction Methods 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- OFTKFKYVSBNYEC-UHFFFAOYSA-N 2-furoyl chloride Chemical compound ClC(=O)C1=CC=CO1 OFTKFKYVSBNYEC-UHFFFAOYSA-N 0.000 claims description 9
- 230000000536 complexating effect Effects 0.000 claims description 9
- 150000007530 organic bases Chemical class 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- NBVXSUQYWXRMNV-UHFFFAOYSA-N monofluoromethane Natural products FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 5
- BSKHPKMHTQYZBB-UHFFFAOYSA-N 2-methylpyridine Chemical compound CC1=CC=CC=N1 BSKHPKMHTQYZBB-UHFFFAOYSA-N 0.000 claims description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 4
- PVOAHINGSUIXLS-UHFFFAOYSA-N 1-Methylpiperazine Chemical compound CN1CCNCC1 PVOAHINGSUIXLS-UHFFFAOYSA-N 0.000 claims description 3
- ZRNSSRODJSSVEJ-UHFFFAOYSA-N 2-methylpentacosane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCC(C)C ZRNSSRODJSSVEJ-UHFFFAOYSA-N 0.000 claims description 3
- XWCDCDSDNJVCLO-UHFFFAOYSA-N Chlorofluoromethane Chemical compound FCCl XWCDCDSDNJVCLO-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 2
- 239000012046 mixed solvent Substances 0.000 claims description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims 2
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 claims 2
- GSNUFIFRDBKVIE-UHFFFAOYSA-N DMF Natural products CC1=CC=C(C)O1 GSNUFIFRDBKVIE-UHFFFAOYSA-N 0.000 claims 1
- 238000005917 acylation reaction Methods 0.000 claims 1
- 238000004128 high performance liquid chromatography Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- FKLJPTJMIBLJAV-UHFFFAOYSA-N Compound IV Chemical compound O1N=C(C)C=C1CCCCCCCOC1=CC=C(C=2OCCN=2)C=C1 FKLJPTJMIBLJAV-UHFFFAOYSA-N 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 5
- 208000006673 asthma Diseases 0.000 description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- PFAGPIFFRLDBRN-AFKBWYBQSA-N (8s,9r,10s,11s,13s,14s,16r,17r)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid Chemical compound C1CC2=CC(=O)C=C[C@]2(C)[C@]2(F)[C@@H]1[C@@H]1C[C@@H](C)[C@@](C(O)=O)(O)[C@@]1(C)C[C@@H]2O PFAGPIFFRLDBRN-AFKBWYBQSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 206010020751 Hypersensitivity Diseases 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- 208000010668 atopic eczema Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- MGNNYOODZCAHBA-GQKYHHCASA-N fluticasone Chemical class C1([C@@H](F)C2)=CC(=O)C=C[C@]1(C)[C@]1(F)[C@@H]2[C@@H]2C[C@@H](C)[C@@](C(=O)SCF)(O)[C@@]2(C)C[C@@H]1O MGNNYOODZCAHBA-GQKYHHCASA-N 0.000 description 2
- 229960000289 fluticasone propionate Drugs 0.000 description 2
- WMWTYOKRWGGJOA-CENSZEJFSA-N fluticasone propionate Chemical compound C1([C@@H](F)C2)=CC(=O)C=C[C@]1(C)[C@]1(F)[C@@H]2[C@@H]2C[C@@H](C)[C@@](C(=O)SCF)(OC(=O)CC)[C@@]2(C)C[C@@H]1O WMWTYOKRWGGJOA-CENSZEJFSA-N 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 208000027866 inflammatory disease Diseases 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 206010039083 rhinitis Diseases 0.000 description 2
- HTSGKJQDMSTCGS-UHFFFAOYSA-N 1,4-bis(4-chlorophenyl)-2-(4-methylphenyl)sulfonylbutane-1,4-dione Chemical compound C1=CC(C)=CC=C1S(=O)(=O)C(C(=O)C=1C=CC(Cl)=CC=1)CC(=O)C1=CC=C(Cl)C=C1 HTSGKJQDMSTCGS-UHFFFAOYSA-N 0.000 description 1
- FCSKOFQQCWLGMV-UHFFFAOYSA-N 5-{5-[2-chloro-4-(4,5-dihydro-1,3-oxazol-2-yl)phenoxy]pentyl}-3-methylisoxazole Chemical compound O1N=C(C)C=C1CCCCCOC1=CC=C(C=2OCCN=2)C=C1Cl FCSKOFQQCWLGMV-UHFFFAOYSA-N 0.000 description 1
- 208000006545 Chronic Obstructive Pulmonary Disease Diseases 0.000 description 1
- 206010010741 Conjunctivitis Diseases 0.000 description 1
- 208000011231 Crohn disease Diseases 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
- 206010012434 Dermatitis allergic Diseases 0.000 description 1
- 206010048768 Dermatosis Diseases 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 208000022559 Inflammatory bowel disease Diseases 0.000 description 1
- 208000019693 Lung disease Diseases 0.000 description 1
- 208000000592 Nasal Polyps Diseases 0.000 description 1
- 201000009053 Neurodermatitis Diseases 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 201000004681 Psoriasis Diseases 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 201000008937 atopic dermatitis Diseases 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 210000000795 conjunctiva Anatomy 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000004761 fibrosis Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004334 fluoridation Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000003862 glucocorticoid Substances 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 208000026278 immune system disease Diseases 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-M methanesulfonate group Chemical class CS(=O)(=O)[O-] AFVFQIVMOAPDHO-UHFFFAOYSA-M 0.000 description 1
- 208000016366 nasal cavity polyp Diseases 0.000 description 1
- 208000005069 pulmonary fibrosis Diseases 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 201000003068 rheumatic fever Diseases 0.000 description 1
- 208000017520 skin disease Diseases 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 150000003566 thiocarboxylic acids Chemical class 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J31/00—Normal steroids containing one or more sulfur atoms not belonging to a hetero ring
- C07J31/006—Normal steroids containing one or more sulfur atoms not belonging to a hetero ring not covered by C07J31/003
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J17/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta(a)hydrophenanthrene skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J31/00—Normal steroids containing one or more sulfur atoms not belonging to a hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
- C07J71/0005—Oxygen-containing hetero ring
- C07J71/001—Oxiranes
- C07J71/0015—Oxiranes at position 9(11)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims (8)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010588166.1A CN102558273B (zh) | 2010-12-14 | 2010-12-14 | 氟替卡松糠酸酯的制备方法 |
PCT/CN2011/001146 WO2012079275A1 (zh) | 2010-12-14 | 2011-07-11 | 氟替卡松糠酸酯的制备方法 |
US13/913,378 US8969547B2 (en) | 2010-12-14 | 2013-06-07 | Method for preparing fluticasone furoate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010588166.1A CN102558273B (zh) | 2010-12-14 | 2010-12-14 | 氟替卡松糠酸酯的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102558273A CN102558273A (zh) | 2012-07-11 |
CN102558273B true CN102558273B (zh) | 2014-07-02 |
Family
ID=46244010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010588166.1A Expired - Fee Related CN102558273B (zh) | 2010-12-14 | 2010-12-14 | 氟替卡松糠酸酯的制备方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8969547B2 (zh) |
CN (1) | CN102558273B (zh) |
WO (1) | WO2012079275A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111380969A (zh) * | 2018-12-29 | 2020-07-07 | 天津药业研究院有限公司 | 一种糠酸氟替卡松含量和有关物质的检测方法 |
CN111662353A (zh) * | 2019-03-05 | 2020-09-15 | 上海谷森医药有限公司 | 一种糠酸氟替卡松晶型1的制备方法 |
CN110105418A (zh) * | 2019-05-22 | 2019-08-09 | 博诺康源(北京)药业科技有限公司 | 一种糠酸氟替卡松原料药杂质的制备和纯化方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4335121A (en) * | 1980-02-15 | 1982-06-15 | Glaxo Group Limited | Androstane carbothioates |
WO2001062722A2 (en) * | 2000-02-25 | 2001-08-30 | Abbott Laboratories | Method for the preparation of fluticasone and related 17beta-carbothioic esters using a novel carbothioic acid synthesis and novel purification methods |
CN1680423A (zh) * | 2000-08-05 | 2005-10-12 | 葛兰素集团有限公司 | 作为抗炎剂的雄甾烷系列化合物的中间体及其制备方法 |
CN100999541A (zh) * | 2006-12-19 | 2007-07-18 | 高邮市兆康制药有限公司 | 丙酸氟替卡松的合成方法 |
WO2007144363A2 (en) * | 2006-06-16 | 2007-12-21 | Glaxo Group Limited | Process for the preparation of 6-alpha, 9-alpha-difluoro-17-alpha - ((2-furanylcarbonyl)oxy)-11-beta -hydroxy-16-alpha -methyl-s-oxo-androsta-1,4-diene-17-beta- -carbothioic acid s-fluoromethyl |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2088877B (en) | 1980-02-15 | 1984-07-04 | Glaxo Group Ltd | Androstane 17 carbothioates |
US6759398B2 (en) * | 2000-08-05 | 2004-07-06 | Smithkline Beecham Corporation | Anti-inflammatory androstane derivative |
JP2005522442A (ja) * | 2002-02-04 | 2005-07-28 | グラクソ グループ リミテッド | 非晶質フルチカゾン2−フロエート、その医薬組成物およびその結晶非溶媒和形態への変換 |
-
2010
- 2010-12-14 CN CN201010588166.1A patent/CN102558273B/zh not_active Expired - Fee Related
-
2011
- 2011-07-11 WO PCT/CN2011/001146 patent/WO2012079275A1/zh active Application Filing
-
2013
- 2013-06-07 US US13/913,378 patent/US8969547B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4335121A (en) * | 1980-02-15 | 1982-06-15 | Glaxo Group Limited | Androstane carbothioates |
WO2001062722A2 (en) * | 2000-02-25 | 2001-08-30 | Abbott Laboratories | Method for the preparation of fluticasone and related 17beta-carbothioic esters using a novel carbothioic acid synthesis and novel purification methods |
CN1680423A (zh) * | 2000-08-05 | 2005-10-12 | 葛兰素集团有限公司 | 作为抗炎剂的雄甾烷系列化合物的中间体及其制备方法 |
WO2007144363A2 (en) * | 2006-06-16 | 2007-12-21 | Glaxo Group Limited | Process for the preparation of 6-alpha, 9-alpha-difluoro-17-alpha - ((2-furanylcarbonyl)oxy)-11-beta -hydroxy-16-alpha -methyl-s-oxo-androsta-1,4-diene-17-beta- -carbothioic acid s-fluoromethyl |
CN100999541A (zh) * | 2006-12-19 | 2007-07-18 | 高邮市兆康制药有限公司 | 丙酸氟替卡松的合成方法 |
Non-Patent Citations (2)
Title |
---|
丙酸氟替卡松的合成工艺改进;殷莉梅 等;《中国药物化学杂志》;20100228;第20卷(第1期);第29-31、52页 * |
殷莉梅 等.丙酸氟替卡松的合成工艺改进.《中国药物化学杂志》.2010,第20卷(第1期),第29-31、52页. |
Also Published As
Publication number | Publication date |
---|---|
US8969547B2 (en) | 2015-03-03 |
WO2012079275A1 (zh) | 2012-06-21 |
CN102558273A (zh) | 2012-07-11 |
US20130274461A1 (en) | 2013-10-17 |
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