DK0715631T3 - Fremgangsmåde til fremstilling af N-amino-1-hydroxyalkyliden-1,1-diphosphonsyrer - Google Patents
Fremgangsmåde til fremstilling af N-amino-1-hydroxyalkyliden-1,1-diphosphonsyrerInfo
- Publication number
- DK0715631T3 DK0715631T3 DK94927234.8T DK94927234T DK0715631T3 DK 0715631 T3 DK0715631 T3 DK 0715631T3 DK 94927234 T DK94927234 T DK 94927234T DK 0715631 T3 DK0715631 T3 DK 0715631T3
- Authority
- DK
- Denmark
- Prior art keywords
- hydroxyalkylidene
- amino
- preparation
- diphosphonic acids
- acids
- Prior art date
Links
- 239000002253 acid Substances 0.000 title abstract 2
- 150000007513 acids Chemical class 0.000 title abstract 2
- 150000003839 salts Chemical class 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
- C07F9/3839—Polyphosphonic acids
- C07F9/3873—Polyphosphonic acids containing nitrogen substituent, e.g. N.....H or N-hydrocarbon group which can be substituted by halogen or nitro(so), N.....O, N.....S, N.....C(=X)- (X =O, S), N.....N, N...C(=X)...N (X =O, S)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/576—Six-membered rings
- C07F9/58—Pyridine rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
- C07F9/657163—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms the ring phosphorus atom being bound to at least one carbon atom
- C07F9/657181—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms the ring phosphorus atom being bound to at least one carbon atom the ring phosphorus atom and, at least, one ring oxygen atom being part of a (thio)phosphonic acid derivative
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11175193A | 1993-08-25 | 1993-08-25 | |
| US23964094A | 1994-05-09 | 1994-05-09 | |
| US08/286,151 US5510517A (en) | 1993-08-25 | 1994-08-04 | Process for producing N-amino-1-hydroxy-alkylidene-1,1-bisphosphonic acids |
| PCT/US1994/009620 WO1995006052A1 (en) | 1993-08-25 | 1994-08-24 | Process for producing n-amino-1-hydroxy-alkyl-idene-1,1-bisphosphonic acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK0715631T3 true DK0715631T3 (da) | 1997-12-22 |
Family
ID=27381051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK94927234.8T DK0715631T3 (da) | 1993-08-25 | 1994-08-24 | Fremgangsmåde til fremstilling af N-amino-1-hydroxyalkyliden-1,1-diphosphonsyrer |
Country Status (25)
| Country | Link |
|---|---|
| US (1) | US5510517A (ro) |
| EP (1) | EP0715631B1 (ro) |
| JP (1) | JP3675818B2 (ro) |
| KR (1) | KR100261202B1 (ro) |
| CN (2) | CN1067079C (ro) |
| AT (1) | ATE160352T1 (ro) |
| AU (2) | AU692468B2 (ro) |
| BR (1) | BR9407563A (ro) |
| CA (1) | CA2169561C (ro) |
| CY (1) | CY2086B1 (ro) |
| CZ (1) | CZ290185B6 (ro) |
| DE (1) | DE69406936T2 (ro) |
| DK (1) | DK0715631T3 (ro) |
| ES (1) | ES2109731T3 (ro) |
| FI (1) | FI115526B (ro) |
| GR (1) | GR3025450T3 (ro) |
| HK (1) | HK1008883A1 (ro) |
| HR (1) | HRP940479B1 (ro) |
| HU (1) | HU217362B (ro) |
| LV (1) | LV12189B (ro) |
| NZ (1) | NZ273458A (ro) |
| RO (1) | RO115524B1 (ro) |
| RU (1) | RU2154647C2 (ro) |
| SI (1) | SI0715631T1 (ro) |
| WO (1) | WO1995006052A1 (ro) |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5449819A (en) * | 1994-06-06 | 1995-09-12 | Merck & Co., Inc. | Process for removing waste pox, alendronate and its by products |
| US5589691A (en) * | 1994-06-06 | 1996-12-31 | Merck & Co., Inc. | Process for recovery and recycle of methanesulfonic acid and phosphorous acid |
| BR9712197A (pt) * | 1996-10-04 | 1999-08-31 | Merck & Co Inc | Formulação farmacêutica líquida aquosa e processos de preparação da mesma, e, de inibição de reabsorção de osso. |
| CA2197267C (en) * | 1997-02-11 | 2000-02-08 | Yong Tao | Process for the production of 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid or salts thereof |
| GB9800452D0 (en) * | 1998-01-10 | 1998-03-04 | Albright & Wilson | Preparation of phosphonic acid derivatives |
| EP1088333A4 (en) | 1998-06-24 | 2005-08-10 | Merck & Co Inc | METHOD AND COMPOSITIONS FOR CONNECTING OSTEOPROSIS |
| US20030078211A1 (en) * | 1998-06-24 | 2003-04-24 | Merck & Co., Inc. | Compositions and methods for inhibiting bone resorption |
| US6331533B1 (en) | 1998-11-16 | 2001-12-18 | Merck & Co., Inc. | Method for inhibiting dental resorptive lesions |
| ES2153794B1 (es) * | 1999-08-06 | 2001-10-16 | Medichem Sa | Procedimiento para la obtencion del acido 4-amino-1-hidroxibutiliden-1,1-bisfosfonico y de su sal monosodica trihidratada. |
| PE20011065A1 (es) | 2000-02-01 | 2001-11-21 | Procter & Gamble | Proceso para fabricar bisfosfonatos geminales |
| PE20011061A1 (es) | 2000-02-01 | 2001-11-20 | Procter & Gamble | Cristalizacion selectiva del acido 3-piridil-1-hidroxi-etiliden-1,1-bisfosfonico sodio como el hemipentahidrato o el monohidrato |
| ITMI20020908A1 (it) * | 2002-04-29 | 2003-10-29 | Chemi Spa | Processo di preparazione di sodio alendronato |
| MXPA04009586A (es) * | 2002-05-10 | 2005-01-11 | Hoffmann La Roche | Acidos bisfosfonicos para el tratamiento y prevencion de la osteoporosis. |
| JP3857706B2 (ja) * | 2002-05-17 | 2006-12-13 | テバ ファーマシューティカル インダストリーズ リミティド | ビスホスホン酸作製のための特定の希釈剤の使用 |
| WO2003103664A1 (en) * | 2002-06-06 | 2003-12-18 | Merck Frosst Canada & Co. | 1,5-disubstituted imidazolidin-2-one derivatives for use as ep4 receptor agonists in the treatment of eye and bone diseases |
| JP4485117B2 (ja) * | 2002-06-27 | 2010-06-16 | 日東電工株式会社 | 保護剥離用フィルム |
| CA2495917A1 (en) * | 2002-08-28 | 2004-03-11 | Merck Frosst Canada & Co. | Oxazolidin-2-one and thiazolidin-2-one derivatives for use as ep4 receptor agonists in the treatment of glaucoma |
| US20040138180A1 (en) * | 2002-10-03 | 2004-07-15 | Barr Laboratories, Inc. | Bisphosphonate composition and process for the preparation thereof |
| US20040206932A1 (en) * | 2002-12-30 | 2004-10-21 | Abuelyaman Ahmed S. | Compositions including polymerizable bisphosphonic acids and methods |
| EP1653913B1 (en) * | 2003-08-12 | 2012-05-23 | 3M Innovative Properties Company | Self-etching dental compositions and methods |
| WO2005019161A1 (en) | 2003-08-21 | 2005-03-03 | Merck Frosst Canada Ltd. | Cathepsin cysteine protease inhibitors |
| MXPA06003063A (es) * | 2003-09-19 | 2006-05-31 | Pfizer Prod Inc | Composiciones farmaceuticas y metodos que comprenden combinaciones de derivados de 2-alquiliden-19-nor-vitamina- d y un bisfosfonato. |
| US20050181043A1 (en) * | 2004-02-12 | 2005-08-18 | Indranil Nandi | Alendronate salt tablet compositions |
| UA87854C2 (en) | 2004-06-07 | 2009-08-25 | Мерк Энд Ко., Инк. | N-(2-benzyl)-2-phenylbutanamides as androgen receptor modulators |
| US8465284B2 (en) * | 2004-07-08 | 2013-06-18 | 3M Innovative Properties Company | Dental methods, compositions, and kits including acid-sensitive dyes |
| CN101035499B (zh) * | 2004-08-11 | 2012-09-05 | 3M创新有限公司 | 包括多种酸性化合物的自粘合组合物 |
| CA2599572A1 (en) | 2005-03-02 | 2007-04-26 | Merck & Co., Inc. | Composition for inhibition of cathepsin k |
| AR057291A1 (es) * | 2005-05-06 | 2007-11-28 | Medichem Sa | Proceso para la preparacion de acidos bisfosfonicos geminales y las sales y/o hidratos farmaceuticamente aceptables de los mismos, una composicion farmaceutica que los contiene y el uso de esta en el tratamiento de la osteoporosis |
| US8003820B2 (en) | 2005-10-20 | 2011-08-23 | Dr. Reddy's Laboratories Limited | Process for preparing bisphosphonic acids |
| AR058168A1 (es) * | 2005-11-07 | 2008-01-23 | Merck & Co Inc | Sintesis del alendronato de sodio trihidratado |
| WO2007083240A2 (en) | 2006-01-20 | 2007-07-26 | Aurobindo Pharma Limited | An improved process for the preparation of bisphosphonic acids |
| CA2642321A1 (en) * | 2006-02-20 | 2007-08-30 | Alembic Limited | An improved process for the preparation of biphosphonic derivatives |
| JP5507256B2 (ja) | 2006-12-13 | 2014-05-28 | スリーエム イノベイティブ プロパティズ カンパニー | 酸性成分及び光退色性染料を有する歯科用組成物の使用方法 |
| CA2689504A1 (en) * | 2007-06-19 | 2008-12-24 | Albemarle Corporation | Processes for manufacturing bisphosphonic acids |
| US8354446B2 (en) * | 2007-12-21 | 2013-01-15 | Ligand Pharmaceuticals Incorporated | Selective androgen receptor modulators (SARMs) and uses thereof |
| EP2310398A2 (en) | 2008-07-11 | 2011-04-20 | Synthon B.V. | Process for making 1-hydroxyalkylidene-1,1-biphosphonic acids |
| EP2192126B1 (en) | 2008-11-26 | 2013-03-27 | Synthon B.V. | Process for making zoledronic acid |
| US20100130746A1 (en) * | 2008-11-26 | 2010-05-27 | Martin Kas | Process for Making Zoledronic Acid |
| EA201270328A1 (ru) | 2009-08-28 | 2012-09-28 | Синтон Б. В. | Способ получения 1-гидроксиалкилиден-1,1-дифосфоновых кислот |
| CN102630227B (zh) * | 2009-10-26 | 2016-03-23 | 沃纳奇尔科特有限责任公司 | 用于治疗骨代谢紊乱的双膦酸盐化合物 |
| CA2738045C (en) | 2010-05-28 | 2019-02-19 | Simon Fraser University | Conjugate compounds, methods of making same, and uses thereof |
| AU2011338674B2 (en) | 2010-12-06 | 2017-03-30 | Effrx Pharmaceuticals Sa | Stable effervescent bisphosphonate formulations with rapid solubilization characteristics |
| WO2012112363A1 (en) | 2011-02-14 | 2012-08-23 | Merck Sharp & Dohme Corp. | Cathepsin cysteine protease inhibitors |
| FI20115315A0 (fi) * | 2011-04-01 | 2011-04-01 | Itae Suomen Yliopisto | Menetelmä metallien keräämiseksi |
| WO2015054089A1 (en) | 2013-10-08 | 2015-04-16 | Merck Sharp & Dohme Corp. | Cathepsin cysteine protease inhibitors |
| WO2015051479A1 (en) | 2013-10-08 | 2015-04-16 | Merck Sharp & Dohme Corp. | Cathepsin cysteine protease inhibitors |
| WO2015120580A1 (en) | 2014-02-11 | 2015-08-20 | Merck Sharp & Dohme Corp. | Cathepsin cysteine protease inhibitors |
| US9650414B1 (en) | 2014-05-30 | 2017-05-16 | Simon Fraser University | Dual-action EP4 agonist—bisphosphonate conjugates and uses thereof |
| WO2015181676A1 (en) | 2014-05-30 | 2015-12-03 | Pfizer Inc. | Carbonitrile derivatives as selective androgen receptor modulators |
| CA2988523A1 (en) | 2015-06-12 | 2016-12-15 | Simon Fraser University | Amide-linked ep4 agonist-bisphosphonate compounds and uses thereof |
| US20210309679A1 (en) | 2018-07-23 | 2021-10-07 | Guangzhou Othrotx Co., Ltd. | Bisphosphonate drug conjugates |
| CN109456363A (zh) * | 2018-11-01 | 2019-03-12 | 南京海纳医药科技股份有限公司 | 一种米诺膦酸工艺杂质的制备方法 |
| WO2023275715A1 (en) | 2021-06-30 | 2023-01-05 | Pfizer Inc. | Metabolites of selective androgen receptor modulators |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3016289A1 (de) * | 1980-04-28 | 1981-10-29 | Henkel KGaA, 4000 Düsseldorf | Verfahren zur herstellung von omega -amino-1-hydroxyalkyliden-1,1-bis-phosphonsaeuren |
| DD216465A1 (de) * | 1983-07-01 | 1984-12-12 | Agrochemie Piesteritz 4602 Wit | Verfahren zur herstellung substituierter alkanphosphonsaeuren |
| US4922007A (en) * | 1989-06-09 | 1990-05-01 | Merck & Co., Inc. | Process for preparing 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid or salts thereof |
| US5019651A (en) * | 1990-06-20 | 1991-05-28 | Merck & Co., Inc. | Process for preparing 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid (ABP) or salts thereof |
-
1994
- 1994-08-04 US US08/286,151 patent/US5510517A/en not_active Expired - Lifetime
- 1994-08-24 RO RO96-00335A patent/RO115524B1/ro unknown
- 1994-08-24 HR HR940479A patent/HRP940479B1/xx not_active IP Right Cessation
- 1994-08-24 DE DE69406936T patent/DE69406936T2/de not_active Expired - Lifetime
- 1994-08-24 RU RU96107773/04A patent/RU2154647C2/ru active
- 1994-08-24 CZ CZ1996542A patent/CZ290185B6/cs not_active IP Right Cessation
- 1994-08-24 JP JP50775895A patent/JP3675818B2/ja not_active Expired - Lifetime
- 1994-08-24 CN CN94193725A patent/CN1067079C/zh not_active Expired - Lifetime
- 1994-08-24 ES ES94927234T patent/ES2109731T3/es not_active Expired - Lifetime
- 1994-08-24 BR BR9407563A patent/BR9407563A/pt not_active IP Right Cessation
- 1994-08-24 EP EP94927234A patent/EP0715631B1/en not_active Expired - Lifetime
- 1994-08-24 AU AU76743/94A patent/AU692468B2/en not_active Expired
- 1994-08-24 DK DK94927234.8T patent/DK0715631T3/da active
- 1994-08-24 CA CA002169561A patent/CA2169561C/en not_active Expired - Fee Related
- 1994-08-24 KR KR1019997012458A patent/KR100261202B1/ko not_active IP Right Cessation
- 1994-08-24 SI SI9430097T patent/SI0715631T1/xx unknown
- 1994-08-24 NZ NZ273458A patent/NZ273458A/en not_active IP Right Cessation
- 1994-08-24 AT AT94927234T patent/ATE160352T1/de active
- 1994-08-24 HU HU9600429A patent/HU217362B/hu unknown
- 1994-08-24 WO PCT/US1994/009620 patent/WO1995006052A1/en active IP Right Grant
-
1996
- 1996-02-23 FI FI960851A patent/FI115526B/fi not_active IP Right Cessation
-
1997
- 1997-11-20 GR GR970402796T patent/GR3025450T3/el unknown
-
1998
- 1998-04-09 CY CY9800001A patent/CY2086B1/xx unknown
- 1998-08-03 HK HK98109618A patent/HK1008883A1/xx not_active IP Right Cessation
- 1998-08-12 AU AU79937/98A patent/AU714996B2/en not_active Expired
- 1998-10-12 LV LVP-98-213A patent/LV12189B/en unknown
-
2000
- 2000-08-03 CN CNB001225669A patent/CN1211392C/zh not_active Expired - Lifetime
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DK0715631T3 (da) | Fremgangsmåde til fremstilling af N-amino-1-hydroxyalkyliden-1,1-diphosphonsyrer | |
| YU51694A (sh) | Postupak za dobijanje n-amino-1-hidroksi-alkilden-1,1-bifosfinskih kiselina | |
| DK1007092T3 (da) | En fremgangsmåde til inhibering af komplementaktivering via det alternative forlöb | |
| DK0877090T3 (da) | Fremgangsmåde til produktion af L-aminosyrer | |
| TR27174A (tr) | Vinilasetatin üretilmesine mahsus usul. | |
| DE68921565D1 (de) | Verfahren zur Herstellung von Phosphoren. | |
| NO903419L (no) | Fremgangsmaate for rensning av aminometylenfosfonsyrer. | |
| DE68916393D1 (de) | Verfahren zur Herstellung von ebenen Wafern. | |
| DE69205873D1 (de) | Verfahren zur Produktion von Ethylen-alpha-olefincopolymeren. | |
| DK0721453T3 (da) | Fremgangsmåde til fremstilling af N-methyl-3-(1-methyl-4-piperidinyl)-14-indol-5-ethansulfonamid | |
| DE59104247D1 (de) | Verfahren zur Racemisierung von optisch aktiven 1-Aryl-alkylaminen. | |
| DE59601338D1 (de) | Verfahren zur automatisierten Generierung von leittechnischen Strukturen | |
| DE69107167D1 (de) | Verfahren zur Herstellung einer Lichtkontrollplatte. | |
| DK0466730T3 (da) | Geminale biphosphonsyrer og derivater deraf som anti-arthritismidler | |
| DK0499157T3 (da) | Fremgangsmåde til fremstilling af 1,3-dioxoler | |
| DE69105440D1 (de) | Vorrichtung zur Erzeugung von mehreren Lichtstrahlen. | |
| FR2686898B1 (fr) | Methode de production de la l-phenylalanine. | |
| DK0635490T3 (da) | Fremgangsmåde til fremstilling af N-ethylcarbazol | |
| DK0553792T3 (da) | Fremgangsmåde til fremstilling af dinatriumsalt,hemiheptahydratet af cefriaxon | |
| MY114864A (en) | Process for producing n-amino-1-hydroxy-alkyl-idene-1, 1-bisphosphonic acids | |
| DK0717046T3 (da) | Fremgangsmåde til fremstilling af phosphonsyrederivater | |
| NO903496L (no) | Fremgangsmaate for metanomdanning. | |
| DE3867287D1 (de) | Verdampfungsverfahren zur inbetriebnahme von rohrverdampfern. | |
| DE69201516D1 (de) | Verfahren zur Kristallisierung von Alpha-L-aspartyl-L-phenylalaninmethylester. | |
| DE59102638D1 (de) | Verfahren zur Stabilisierung von Phosphortrichlorid. |