ES2378081T3 - Procedimiento para la preparación de ácido 2-metoxicarbonilmetil-6,6-dimetil-2-tetrahidropirano carboxílico - Google Patents
Procedimiento para la preparación de ácido 2-metoxicarbonilmetil-6,6-dimetil-2-tetrahidropirano carboxílico Download PDFInfo
- Publication number
- ES2378081T3 ES2378081T3 ES06792504T ES06792504T ES2378081T3 ES 2378081 T3 ES2378081 T3 ES 2378081T3 ES 06792504 T ES06792504 T ES 06792504T ES 06792504 T ES06792504 T ES 06792504T ES 2378081 T3 ES2378081 T3 ES 2378081T3
- Authority
- ES
- Spain
- Prior art keywords
- acid
- methyl
- process according
- dimethyl
- methoxycarbonylmethyl
- 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
Links
- RLJJTHIETVMNAO-UHFFFAOYSA-N 2-(2-methoxy-2-oxoethyl)-6,6-dimethyloxane-2-carboxylic acid Chemical compound COC(=O)CC1(C(O)=O)CCCC(C)(C)O1 RLJJTHIETVMNAO-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 32
- 238000002360 preparation method Methods 0.000 title claims description 14
- DRFNZQPZTGLTJC-UHFFFAOYSA-N 2-hydroxy-2-(4-methylpent-3-enyl)butanedioic acid Chemical compound CC(C)=CCCC(O)(C(O)=O)CC(O)=O DRFNZQPZTGLTJC-UHFFFAOYSA-N 0.000 claims abstract description 21
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 claims abstract description 16
- BEDDBBCLHNGXGD-UHFFFAOYSA-N ethyl 6-methyl-2-oxohept-5-enoate Chemical compound CCOC(=O)C(=O)CCC=C(C)C BEDDBBCLHNGXGD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- AJBWTDQJHHDXPL-UHFFFAOYSA-N 2-(carboxymethyl)-6,6-dimethyloxane-2-carboxylic acid Chemical compound CC1(C)CCCC(CC(O)=O)(C(O)=O)O1 AJBWTDQJHHDXPL-UHFFFAOYSA-N 0.000 claims abstract description 11
- NBOWWOOUDLBQFP-UHFFFAOYSA-N 1-o-ethyl 4-o-methyl 2-hydroxy-2-(4-methylpent-3-enyl)butanedioate Chemical compound CCOC(=O)C(O)(CC(=O)OC)CCC=C(C)C NBOWWOOUDLBQFP-UHFFFAOYSA-N 0.000 claims abstract description 10
- UNXURIHDFUQNOC-UHFFFAOYSA-N 5-bromo-2-methylpent-2-ene Chemical compound CC(C)=CCCBr UNXURIHDFUQNOC-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims abstract description 10
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims abstract description 9
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims abstract description 9
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 6
- 150000001408 amides Chemical class 0.000 claims abstract description 6
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims abstract description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 5
- WYACBZDAHNBPPB-UHFFFAOYSA-N diethyl oxalate Chemical compound CCOC(=O)C(=O)OCC WYACBZDAHNBPPB-UHFFFAOYSA-N 0.000 claims abstract description 5
- 235000019253 formic acid Nutrition 0.000 claims abstract description 5
- 239000011777 magnesium Substances 0.000 claims abstract description 5
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 24
- 239000002253 acid Substances 0.000 claims description 21
- 239000000047 product Substances 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- 239000000543 intermediate Substances 0.000 claims description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- 239000003880 polar aprotic solvent Substances 0.000 claims description 9
- HVCFCNAITDHQFX-UHFFFAOYSA-N 1-cyclopropylethanone Chemical compound CC(=O)C1CC1 HVCFCNAITDHQFX-UHFFFAOYSA-N 0.000 claims description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- HYFHYPWGAURHIV-UHFFFAOYSA-N homoharringtonine Natural products C1=C2CCN3CCCC43C=C(OC)C(OC(=O)C(O)(CCCC(C)(C)O)CC(=O)OC)C4C2=CC2=C1OCO2 HYFHYPWGAURHIV-UHFFFAOYSA-N 0.000 claims description 5
- HYFHYPWGAURHIV-JFIAXGOJSA-N omacetaxine mepesuccinate Chemical compound C1=C2CCN3CCC[C@]43C=C(OC)[C@@H](OC(=O)[C@@](O)(CCCC(C)(C)O)CC(=O)OC)[C@H]4C2=CC2=C1OCO2 HYFHYPWGAURHIV-JFIAXGOJSA-N 0.000 claims description 5
- 150000008064 anhydrides Chemical class 0.000 claims description 4
- 150000003946 cyclohexylamines Chemical class 0.000 claims description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- NXPHGHWWQRMDIA-UHFFFAOYSA-M magnesium;carbanide;bromide Chemical compound [CH3-].[Mg+2].[Br-] NXPHGHWWQRMDIA-UHFFFAOYSA-M 0.000 claims description 3
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 claims description 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- DSRNKUZOWRFQFO-UHFFFAOYSA-N cephalotaxine Natural products COC1=CC23CCCN2CCc4cc5OCOc5cc4C3=C1O DSRNKUZOWRFQFO-UHFFFAOYSA-N 0.000 claims description 2
- QMMOXUPEWRXHJS-UHFFFAOYSA-N pentene-2 Natural products CCC=CC QMMOXUPEWRXHJS-UHFFFAOYSA-N 0.000 claims 2
- -1 Methoxycarbonyl-methyl-6,6-dimethyl-2-tetrahydropyran carboxylic acid Chemical compound 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 claims 1
- 239000012043 crude product Substances 0.000 claims 1
- 230000001351 cycling effect Effects 0.000 claims 1
- 229960002230 omacetaxine mepesuccinate Drugs 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 30
- 239000011541 reaction mixture Substances 0.000 description 17
- 239000000243 solution Substances 0.000 description 16
- 239000000203 mixture Substances 0.000 description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 239000012074 organic phase Substances 0.000 description 11
- 239000008346 aqueous phase Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000005292 vacuum distillation Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- MNDPGMGRNPDFCC-UHFFFAOYSA-N 5-bromo-2-methylpent-1-ene Chemical compound CC(=C)CCCBr MNDPGMGRNPDFCC-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 description 1
- 229930013930 alkaloid Natural products 0.000 description 1
- 150000003797 alkaloid derivatives Chemical class 0.000 description 1
- 239000002246 antineoplastic agent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229940127089 cytotoxic agent Drugs 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 239000003586 protic polar solvent Substances 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/33—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of rings other than six-membered aromatic rings
- C07C211/34—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of rings other than six-membered aromatic rings of a saturated carbon skeleton
- C07C211/35—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of rings other than six-membered aromatic rings of a saturated carbon skeleton containing only non-condensed rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D309/08—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT001352A ITMI20051352A1 (it) | 2005-07-15 | 2005-07-15 | Processo di preparazi0ne di acido 2-metossicarbonilmetil-6,6-dimetil-2-tetraidropiran carbossilico |
| ITMI20051352 | 2005-07-15 | ||
| PCT/EP2006/064273 WO2007009953A1 (en) | 2005-07-15 | 2006-07-14 | Process for preparing 2-methoxycarbonylmethyl-6,6-dimethyl-2- tetrahydropyran carboxylic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2378081T3 true ES2378081T3 (es) | 2012-04-04 |
Family
ID=36087589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES06792504T Active ES2378081T3 (es) | 2005-07-15 | 2006-07-14 | Procedimiento para la preparación de ácido 2-metoxicarbonilmetil-6,6-dimetil-2-tetrahidropirano carboxílico |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US8008514B2 (OSRAM) |
| EP (1) | EP1907371B1 (OSRAM) |
| JP (1) | JP2009501196A (OSRAM) |
| CN (1) | CN101233123B (OSRAM) |
| AT (1) | ATE534640T1 (OSRAM) |
| CY (1) | CY1112967T1 (OSRAM) |
| DK (1) | DK1907371T3 (OSRAM) |
| ES (1) | ES2378081T3 (OSRAM) |
| IT (1) | ITMI20051352A1 (OSRAM) |
| PL (1) | PL1907371T3 (OSRAM) |
| PT (1) | PT1907371E (OSRAM) |
| SI (1) | SI1907371T1 (OSRAM) |
| WO (1) | WO2007009953A1 (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910659B (zh) * | 2013-11-04 | 2016-05-11 | 迈克斯(如东)化工有限公司 | 2-硝基-4-甲磺酰基苯甲酸的精制方法及其中间体 |
| WO2016182850A1 (en) | 2015-05-08 | 2016-11-17 | Albany Molecular Research, Inc. | Methods and intermediates for the preparation of omacetaxine and cephalotaxine derivatives thereof |
| EP3275875A1 (en) | 2016-07-28 | 2018-01-31 | INDENA S.p.A. | Dioxolanone intermediate useful in the synthesis of homoharringtonine |
| CN110577803B (zh) | 2018-06-11 | 2021-11-26 | 3M创新有限公司 | 一种阻燃压敏胶粘合剂、阻燃压敏胶粘合片及其制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0377862A (ja) | 1989-08-18 | 1991-04-03 | Ono Pharmaceut Co Ltd | ビシクロ[2.2.1]ヘプタン誘導体、その精製方法および製造方法 |
| FR2776292B1 (fr) | 1998-03-20 | 2004-09-10 | Oncopharm | Cephalotaxanes porteurs de chaine laterale et leur procede de synthese |
| JP2001163841A (ja) * | 1999-09-30 | 2001-06-19 | Dai Ichi Seiyaku Co Ltd | 光学活性な2−(2,3,4―トリハロゲノアニリノ)−プロピオン酸誘導体の製法 |
| CA2523233C (en) * | 2003-04-25 | 2012-03-20 | Nippon Chemiphar Co., Ltd. | Salt of (2s,3s)-3-[[(1s)-1-isobutoxymethyl-3-methylbutyl]carbamoyl]oxirane-2-carboxylic acid |
-
2005
- 2005-07-15 IT IT001352A patent/ITMI20051352A1/it unknown
-
2006
- 2006-07-14 CN CN2006800258750A patent/CN101233123B/zh not_active Expired - Fee Related
- 2006-07-14 DK DK06792504.0T patent/DK1907371T3/da active
- 2006-07-14 WO PCT/EP2006/064273 patent/WO2007009953A1/en not_active Ceased
- 2006-07-14 ES ES06792504T patent/ES2378081T3/es active Active
- 2006-07-14 PT PT06792504T patent/PT1907371E/pt unknown
- 2006-07-14 AT AT06792504T patent/ATE534640T1/de active
- 2006-07-14 US US11/988,856 patent/US8008514B2/en not_active Expired - Fee Related
- 2006-07-14 SI SI200631271T patent/SI1907371T1/sl unknown
- 2006-07-14 JP JP2008520889A patent/JP2009501196A/ja active Pending
- 2006-07-14 EP EP06792504A patent/EP1907371B1/en not_active Not-in-force
- 2006-07-14 PL PL06792504T patent/PL1907371T3/pl unknown
-
2012
- 2012-02-23 CY CY20121100192T patent/CY1112967T1/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP1907371B1 (en) | 2011-11-23 |
| ATE534640T1 (de) | 2011-12-15 |
| DK1907371T3 (da) | 2012-03-19 |
| CN101233123B (zh) | 2011-05-11 |
| CY1112967T1 (el) | 2016-04-13 |
| WO2007009953A1 (en) | 2007-01-25 |
| US20090043093A1 (en) | 2009-02-12 |
| PT1907371E (pt) | 2012-03-06 |
| ITMI20051352A1 (it) | 2007-01-16 |
| CN101233123A (zh) | 2008-07-30 |
| PL1907371T3 (pl) | 2012-09-28 |
| US8008514B2 (en) | 2011-08-30 |
| EP1907371A1 (en) | 2008-04-09 |
| SI1907371T1 (sl) | 2012-04-30 |
| JP2009501196A (ja) | 2009-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102633799B (zh) | 一种从消旋体中间体拆分路线合成二盐酸沙丙蝶呤的方法 | |
| JPS647997B2 (OSRAM) | ||
| CN103304437A (zh) | 一种无叠氮合成磷酸奥司他韦的方法 | |
| US20040048854A1 (en) | Process of preparation of olanzapine Form I | |
| ITMI20121344A1 (it) | Processo di preparazione di acido ursodesossicolico ad elevata purezza | |
| KR100917698B1 (ko) | 레트로졸의 제조를 위한 개선된 방법 | |
| JPWO1999051586A1 (ja) | 一重項酸素測定用試薬 | |
| ES2378081T3 (es) | Procedimiento para la preparación de ácido 2-metoxicarbonilmetil-6,6-dimetil-2-tetrahidropirano carboxílico | |
| ES2923623T3 (es) | Procedimiento para la preparación de un análogo de prostaglandina donante de óxido nítrico | |
| EP2736509B1 (en) | Process for preparing prasugrel | |
| EP2985286A1 (en) | Midbody of ticagrelor and preparation method therefor, and preparation method for ticagrelor | |
| ES2413480T3 (es) | Método para producir L-biopterina | |
| CN118271255A (zh) | 一种多替诺德的制备方法 | |
| CN112088003A (zh) | 制备嘧啶基-4-氨基吡唑化合物的工艺 | |
| US7227021B2 (en) | Process for preparing 1-methoxymethyl-5,5-diphenylbarbituric acid | |
| CN102627644B (zh) | 一种通过直接手性合成方法制备二盐酸沙丙蝶呤的方法 | |
| ES2955674T3 (es) | Método para producir derivados de espirocíclicos cis-alcoxi-sustituidos 1-h-pirrolidina-2,4-diona | |
| CN107540575B (zh) | 一种西他列汀中间体的制备方法 | |
| CN104072495A (zh) | 天然产物生物碱Aaptamine的制备方法 | |
| US8080663B2 (en) | Process for the preparation of 2-methylspiro(1,3-oxathiolane-5,3′)quiniclidine | |
| CN115557964A (zh) | 一种药物化合物的制备方法 | |
| CN100558727C (zh) | 喹唑啉生物碱类产品的制备方法 | |
| CN101024641A (zh) | R-(+)-硫辛酸及其盐的制备方法 | |
| Loeser et al. | Mechanism of the pinacol–pinacolone rearrangement of 2, 3-di-(3-pyridyl)-2, 3-butanediol in sulfuric acid | |
| CN105294574B (zh) | 一种甲氧苄啶的合成方法 |