NO120416B - - Google Patents
Download PDFInfo
- Publication number
- NO120416B NO120416B NO158909A NO15890965A NO120416B NO 120416 B NO120416 B NO 120416B NO 158909 A NO158909 A NO 158909A NO 15890965 A NO15890965 A NO 15890965A NO 120416 B NO120416 B NO 120416B
- Authority
- NO
- Norway
- Prior art keywords
- spiramycin
- hydrogen
- iii
- absorption
- spectrum
- Prior art date
Links
- ACTOXUHEUCPTEW-BWHGAVFKSA-N 2-[(4r,5s,6s,7r,9r,10r,11e,13e,16r)-6-[(2s,3r,4r,5s,6r)-5-[(2s,4r,5s,6s)-4,5-dihydroxy-4,6-dimethyloxan-2-yl]oxy-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-10-[(2s,5s,6r)-5-(dimethylamino)-6-methyloxan-2-yl]oxy-4-hydroxy-5-methoxy-9,16-dimethyl-2-o Chemical compound O([C@H]1/C=C/C=C/C[C@@H](C)OC(=O)C[C@@H](O)[C@@H]([C@H]([C@@H](CC=O)C[C@H]1C)O[C@H]1[C@@H]([C@H]([C@H](O[C@@H]2O[C@@H](C)[C@H](O)[C@](C)(O)C2)[C@@H](C)O1)N(C)C)O)OC)[C@@H]1CC[C@H](N(C)C)[C@@H](C)O1 ACTOXUHEUCPTEW-BWHGAVFKSA-N 0.000 claims description 28
- 239000004187 Spiramycin Substances 0.000 claims description 24
- 229930191512 spiramycin Natural products 0.000 claims description 24
- 235000019372 spiramycin Nutrition 0.000 claims description 24
- 229960001294 spiramycin Drugs 0.000 claims description 20
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 17
- 239000001257 hydrogen Substances 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- 239000003054 catalyst Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 238000005984 hydrogenation reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 229910052763 palladium Inorganic materials 0.000 claims description 8
- ACTOXUHEUCPTEW-ZOTSFZJCSA-N spiramycin I Natural products CO[C@H]1[C@H](O)CC(=O)O[C@H](C)CC=CC=C[C@H](O[C@H]2CC[C@@H]([C@@H](C)O2)N(C)C)[C@H](C)C[C@H](CC=O)[C@@H]1O[C@@H]3O[C@H](C)[C@@H](O[C@H]4C[C@@](C)(O)[C@@H](O)[C@H](C)O4)[C@@H]([C@H]3O)N(C)C ACTOXUHEUCPTEW-ZOTSFZJCSA-N 0.000 claims description 8
- 229950001955 spiramycin i Drugs 0.000 claims description 8
- ZPCCSZFPOXBNDL-LWXQEXJOSA-N Spiramycin-II Natural products CO[C@H]1[C@@H](CC(=O)O[C@H](C)CC=CC=C[C@H](O[C@H]2CC[C@@H]([C@@H](C)O2)N(C)C)[C@H](C)C[C@@H](CC=O)[C@@H]1O[C@@H]3O[C@H](C)[C@@H](O[C@H]4C[C@@](C)(O)[C@@H](O)[C@H](C)O4)[C@@H]([C@H]3O)N(C)C)OC(=O)C ZPCCSZFPOXBNDL-LWXQEXJOSA-N 0.000 claims description 7
- HSZLKTCKAYXVBX-VPIGJTHDSA-N Spiramycin-III Natural products CCC(=O)O[C@@H]1CC(=O)O[C@H](C)CC=CC=C[C@H](O[C@H]2CC[C@@H]([C@@H](C)O2)N(C)C)[C@H](C)C[C@H](CC=O)[C@H](O[C@@H]3O[C@H](C)[C@@H](O[C@H]4C[C@@](C)(O)[C@@H](O)[C@H](C)O4)[C@@H]([C@H]3O)N(C)C)[C@H]1OC HSZLKTCKAYXVBX-VPIGJTHDSA-N 0.000 claims description 7
- ZPCCSZFPOXBNDL-RSMXASMKSA-N spiramycin II Chemical compound O([C@H]1/C=C/C=C/C[C@@H](C)OC(=O)C[C@H]([C@@H]([C@H]([C@@H](CC=O)C[C@H]1C)O[C@H]1[C@@H]([C@H]([C@H](O[C@@H]2O[C@@H](C)[C@H](O)[C@](C)(O)C2)[C@@H](C)O1)N(C)C)O)OC)OC(C)=O)[C@H]1CC[C@H](N(C)C)[C@H](C)O1 ZPCCSZFPOXBNDL-RSMXASMKSA-N 0.000 claims description 7
- 229950006796 spiramycin ii Drugs 0.000 claims description 7
- 229950003659 spiramycin iii Drugs 0.000 claims description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- HSZLKTCKAYXVBX-LYIMTGTFSA-N Spiramycin III Chemical compound O([C@H]1/C=C/C=C/C[C@@H](C)OC(=O)C[C@H]([C@@H]([C@@H](O[C@H]2[C@@H]([C@H]([C@H](O[C@@H]3O[C@@H](C)[C@H](O)[C@](C)(O)C3)[C@@H](C)O2)N(C)C)O)[C@@H](CC=O)C[C@H]1C)OC)OC(=O)CC)[C@H]1CC[C@H](N(C)C)[C@@H](C)O1 HSZLKTCKAYXVBX-LYIMTGTFSA-N 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 239000007858 starting material Substances 0.000 claims description 5
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- DDQFXRYVNIPXRQ-UHFFFAOYSA-L cyclopenta-1,3-diene;dichlorozirconium(2+);1,2,3,5,5-pentamethylcyclopenta-1,3-diene Chemical compound Cl[Zr+2]Cl.C1C=CC=[C-]1.CC1=[C-]C(C)(C)C(C)=C1C DDQFXRYVNIPXRQ-UHFFFAOYSA-L 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 230000003115 biocidal effect Effects 0.000 claims 1
- 239000003610 charcoal Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 27
- 230000009102 absorption Effects 0.000 description 22
- 238000010521 absorption reaction Methods 0.000 description 22
- 238000001228 spectrum Methods 0.000 description 13
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 11
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 230000036571 hydration Effects 0.000 description 8
- 238000006703 hydration reaction Methods 0.000 description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 7
- 241000699670 Mus sp. Species 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 239000003242 anti bacterial agent Substances 0.000 description 4
- 229940088710 antibiotic agent Drugs 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- ACTOXUHEUCPTEW-UHFFFAOYSA-N spiramycins Chemical class CC1CC(CC=O)C(OC2C(C(C(OC3OC(C)C(O)C(C)(O)C3)C(C)O2)N(C)C)O)C(OC)C(O)CC(=O)OC(C)CC=CC=CC1OC1CCC(N(C)C)C(C)O1 ACTOXUHEUCPTEW-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 229940072049 amyl acetate Drugs 0.000 description 3
- PGMYKACGEOXYJE-UHFFFAOYSA-N anhydrous amyl acetate Natural products CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000010494 dissociation reaction Methods 0.000 description 3
- 230000005593 dissociations Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- MNWFXJYAOYHMED-UHFFFAOYSA-M heptanoate Chemical compound CCCCCCC([O-])=O MNWFXJYAOYHMED-UHFFFAOYSA-M 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 101000835998 Homo sapiens SRA stem-loop-interacting RNA-binding protein, mitochondrial Proteins 0.000 description 1
- 206010034681 Peritonitis pneumococcal Diseases 0.000 description 1
- 239000007868 Raney catalyst Substances 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 229910000564 Raney nickel Inorganic materials 0.000 description 1
- 102100025491 SRA stem-loop-interacting RNA-binding protein, mitochondrial Human genes 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 241000187747 Streptomyces Species 0.000 description 1
- 241001655322 Streptomycetales Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 210000004303 peritoneum Anatomy 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/24—Polyamides; Polyurethanes
- D06P3/241—Polyamides; Polyurethanes using acid dyes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/8209—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing amide groups
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
- Y10S8/92—Synthetic fiber dyeing
- Y10S8/924—Polyamide fiber
Landscapes
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Coloring (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEV26362A DE1260429B (de) | 1964-07-14 | 1964-07-14 | Verfahren zur Herstellung von gefaerbten Textilien mit Mouline-Effekt aus Polyamiden |
Publications (1)
Publication Number | Publication Date |
---|---|
NO120416B true NO120416B (ja) | 1970-10-19 |
Family
ID=7582609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO158909A NO120416B (ja) | 1964-07-14 | 1965-07-13 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3475111A (ja) |
AT (1) | AT259507B (ja) |
BE (1) | BE665048A (ja) |
DE (1) | DE1260429B (ja) |
GB (1) | GB1100239A (ja) |
NL (1) | NL6509047A (ja) |
NO (1) | NO120416B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1769613A1 (de) * | 1968-06-15 | 1971-07-01 | Bayer Ag | Mittel zur Verbesserung der Nassechtheiten von mit kationischen Farbstoffen auf synthetischen Polyamiden erzeugten Faerbungen |
US3954404A (en) * | 1972-06-22 | 1976-05-04 | Rca Corporation | Diphenyl continuous foam dyeing with fabric running over rolls in foam bath |
US6620208B2 (en) | 2001-03-30 | 2003-09-16 | Honeywell International Inc. | Wetfast polyamide fiber with high amino end group content |
US8178648B2 (en) * | 2007-12-18 | 2012-05-15 | Future Fuel Chemical Company | Diaminium bis-3,5-dicarboxybenzensulfonate and tri-diaminium bis-3,5-dicarboxybenzensulfonate and methods for producing same |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2708617A (en) * | 1951-05-12 | 1955-05-17 | Du Pont | Formation of films and filament directly from polymer intermediates |
NL246911A (ja) * | 1958-03-06 | |||
US3184436A (en) * | 1959-09-04 | 1965-05-18 | Du Pont | Polycarbonamides of improved dye affinity having the benzene sulfonic acid salt moiety as an integral part of the polymer chain |
-
1964
- 1964-07-14 DE DEV26362A patent/DE1260429B/de active Pending
-
1965
- 1965-06-08 BE BE665048D patent/BE665048A/xx unknown
- 1965-07-02 AT AT605365A patent/AT259507B/de active
- 1965-07-12 US US471443A patent/US3475111A/en not_active Expired - Lifetime
- 1965-07-13 NL NL6509047A patent/NL6509047A/xx unknown
- 1965-07-13 NO NO158909A patent/NO120416B/no unknown
- 1965-07-14 GB GB29855/65A patent/GB1100239A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3475111A (en) | 1969-10-28 |
GB1100239A (en) | 1968-01-24 |
AT259507B (de) | 1968-01-25 |
NL6509047A (ja) | 1966-01-17 |
BE665048A (ja) | 1965-10-01 |
DE1260429B (de) | 1968-02-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69021176T2 (de) | Polypeptid und Verfahren zu dessen Herstellung. | |
Moscona | Formation of lentoids by dissociated retinal cells of the chick embryo | |
CN113845668B (zh) | 一种多糖复合水凝胶及其制备方法和应用 | |
DE2819094A1 (de) | Cyclosporin-derivate, ihre verwendung und herstellung | |
Swart et al. | Fradicin, an Antifungal Agent Produced by Streptomyces fradiae. | |
CN110678555B (zh) | 制作普鲁兰的方法 | |
NO120416B (ja) | ||
Zhang et al. | Physiochemical property and antibacterial activity of formulation containing polyprenol extracted from Ginkgo biloba leaves | |
CN106432168B (zh) | 红树尖瓣海莲内生真菌来源的抗弧菌活性化合物及其制备方法 | |
Alanís-Garza et al. | A new antimycobacterial furanolignan from Leucophyllum frutescens | |
CN106432169B (zh) | 一种抗弧菌活性的异香豆素类化合物及其晶体 | |
US2689854A (en) | Acetopyrrothine and preparation thereof | |
Gordon et al. | Durhamycin, a Pentaene Antifungal Antibiotic from Streptomyces durhamensis sp. n | |
CN107746423B (zh) | 麦角甾-7,22-二烯-3-酮肟及其制备方法和在制备抗菌药物中的应用 | |
US3118812A (en) | Antibiotics lankavamycin and lankavacidin and process of production | |
DE10064314C1 (de) | Mikrobiell erzeugter, physiologisch-verträglicher, permeabler Film, bestehend aus Chitosan-enthaltender Cellulose | |
US3314853A (en) | Rubiflavin and a process for making same using streptomyces griseus | |
US2992162A (en) | Candicidin and process of preparation | |
AT225353B (de) | Verfahren zur Herstellung eines Antibiotikums | |
US4283391A (en) | Pamamycin | |
CN107897205A (zh) | 改性桑枝韧皮纤维素‑纳米银协同抗菌材料及其制备方法 | |
US3298927A (en) | Process for preparing 6-demethyltetracyclines using ethionine sulfoxide | |
Ragasa et al. | Antimicrobial triterpenes and sterols from Pseuderanthemum bicolor | |
US3720691A (en) | 2-(3,8-dioxatricyclo[5.1.0.0 ]oct-5-en-5-yl)-4h-pyran-4-one | |
US3551561A (en) | Gelbecidine and a process for making the same |