CN1221422A - 新的手性的双膦类化合物 - Google Patents
新的手性的双膦类化合物 Download PDFInfo
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- CN1221422A CN1221422A CN97195333A CN97195333A CN1221422A CN 1221422 A CN1221422 A CN 1221422A CN 97195333 A CN97195333 A CN 97195333A CN 97195333 A CN97195333 A CN 97195333A CN 1221422 A CN1221422 A CN 1221422A
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- 239000011968 lewis acid catalyst Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 229940045641 monobasic sodium phosphate Drugs 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 239000012434 nucleophilic reagent Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- NRVSCUABVKRWEH-UHFFFAOYSA-N pentyl(diphenyl)phosphane Chemical class C=1C=CC=CC=1P(CCCCC)C1=CC=CC=C1 NRVSCUABVKRWEH-UHFFFAOYSA-N 0.000 description 1
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 1
- 150000003004 phosphinoxides Chemical class 0.000 description 1
- GWLJTAJEHRYMCA-UHFFFAOYSA-N phospholane Chemical compound C1CCPC1 GWLJTAJEHRYMCA-UHFFFAOYSA-N 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- VXPLXMJHHKHSOA-UHFFFAOYSA-N propham Chemical compound CC(C)OC(=O)NC1=CC=CC=C1 VXPLXMJHHKHSOA-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000006340 racemization Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 description 1
- 229940076133 sodium carbonate monohydrate Drugs 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
- 229940001584 sodium metabisulfite Drugs 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 239000001433 sodium tartrate Substances 0.000 description 1
- 229960002167 sodium tartrate Drugs 0.000 description 1
- 235000011004 sodium tartrates Nutrition 0.000 description 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229960002317 succinimide Drugs 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 150000003892 tartrate salts Chemical class 0.000 description 1
- MDDUHVRJJAFRAU-YZNNVMRBSA-N tert-butyl-[(1r,3s,5z)-3-[tert-butyl(dimethyl)silyl]oxy-5-(2-diphenylphosphorylethylidene)-4-methylidenecyclohexyl]oxy-dimethylsilane Chemical compound C1[C@@H](O[Si](C)(C)C(C)(C)C)C[C@H](O[Si](C)(C)C(C)(C)C)C(=C)\C1=C/CP(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 MDDUHVRJJAFRAU-YZNNVMRBSA-N 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- OSBSFAARYOCBHB-UHFFFAOYSA-N tetrapropylammonium Chemical compound CCC[N+](CCC)(CCC)CCC OSBSFAARYOCBHB-UHFFFAOYSA-N 0.000 description 1
- 150000003475 thallium Chemical class 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001131 transforming effect Effects 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
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
- C07D241/06—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/31—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of functional groups containing oxygen only in singly bound form
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
- C07D241/04—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
- C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D241/14—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three 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
- C07D241/24—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon 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
- C07F9/50—Organo-phosphines
- C07F9/5027—Polyphosphines
-
- 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
- C07F9/655—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms
- C07F9/65525—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms the oxygen atom being part of a seven-(or more) membered ring
- C07F9/65527—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms the oxygen atom being part of a seven-(or more) membered ring condensed with carbocyclic rings or carbocyclic ring systems
-
- 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
- C07F9/6553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having sulfur atoms, with or without selenium or tellurium atoms, as the only ring hetero atoms
- C07F9/655381—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having sulfur atoms, with or without selenium or tellurium atoms, as the only ring hetero atoms the sulfur atom being part of a seven-(or more) membered ring
- C07F9/65539—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having sulfur atoms, with or without selenium or tellurium atoms, as the only ring hetero atoms the sulfur atom being part of a seven-(or more) membered ring condensed with carbocyclic rings or carbocyclic ring systems
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)
- Catalysts (AREA)
Abstract
Description
BINAP | 2,2’-双(二苯基膦基)-1,1’-联苯基 |
Boc | 叔丁氧基羰基 |
Boc-BPPM | (2S,4S)4-(二苯基膦基)-2-(二苯基膦基甲基)-2-吡咯烷-羧酸-叔丁酯 |
C- | 相反离子 |
Cbz | 苄基氧基羰基 |
COD | 1,5-环辛二烯 |
DIOP | (R,R)-2,3-O-亚异丙基-2,3-二羟基-1,4-双(二苯基膦基)-丁烷 |
DIPAMP | (RR)-1,2-双((邻-甲氧基苯基)苯基膦基)乙烷 |
DUPHOS | 1,2-双((2S,5S)-2,5-二乙基磷杂环戊烷基)苯 |
NORPHOS | [(2R,3R)-8,9,10-三降冰片-5-烯-2,3-二基]-双(二苯基膦) |
PROPHOS | 1,2-双(二苯基膦基)丙烷 |
SKEWPHOS | 2,4-双(二苯基膦基)戊烷 |
TfO | 三氟甲磺酸酯 |
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1959096P | 1996-06-12 | 1996-06-12 | |
US60/019,590 | 1996-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1221422A true CN1221422A (zh) | 1999-06-30 |
CN1082964C CN1082964C (zh) | 2002-04-17 |
Family
ID=21794005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97195333A Expired - Fee Related CN1082964C (zh) | 1996-06-12 | 1997-06-10 | 手性的双膦类化合物 |
Country Status (18)
Country | Link |
---|---|
US (2) | US5874629A (zh) |
EP (1) | EP0906322B1 (zh) |
CN (1) | CN1082964C (zh) |
AR (1) | AR007555A1 (zh) |
AT (1) | ATE238319T1 (zh) |
AU (1) | AU3303897A (zh) |
BR (1) | BR9709677B1 (zh) |
CZ (1) | CZ295748B6 (zh) |
DE (1) | DE69721257T2 (zh) |
DK (1) | DK0906322T3 (zh) |
EA (1) | EA001377B1 (zh) |
ES (1) | ES2196343T3 (zh) |
HU (1) | HU223052B1 (zh) |
PT (1) | PT906322E (zh) |
SK (1) | SK284369B6 (zh) |
TW (1) | TW450971B (zh) |
UA (1) | UA57742C2 (zh) |
WO (1) | WO1997047632A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100379747C (zh) * | 2003-06-13 | 2008-04-09 | 约翰森·马瑟公开有限公司 | 配体 |
CN103492400A (zh) * | 2011-03-17 | 2014-01-01 | 庄信万丰股份有限公司 | 包含对位环芳和羰基配体的钌配合物及其作为催化剂的用途 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6334219B1 (en) * | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
US5977364A (en) * | 1998-02-02 | 1999-11-02 | Merck & Co., Inc. | Process for preparing 4-tert-butyloxycarbonyl-(S)-piperazine-2-tert-butylcarboxamide |
DE10005794A1 (de) * | 2000-02-10 | 2001-08-16 | Basf Ag | Verbindungen des Phosphors, Arsens und des Antimons |
CA2414049A1 (en) * | 2000-03-30 | 2001-10-11 | Chirotech Technology Limited | Ruthenium-diphosphine complexes and their use as catalysts |
US6482952B2 (en) | 2000-06-20 | 2002-11-19 | Merck & Co., Inc. | Process for preparing acetonides |
JP2004517901A (ja) * | 2001-01-19 | 2004-06-17 | カイロテック・テクノロジー・リミテッド | 配位子およびその使用 |
MXPA05013569A (es) * | 2003-06-13 | 2006-04-05 | Johnson Matthey Plc | Ligandos. |
US7449601B2 (en) * | 2004-12-16 | 2008-11-11 | E. I. Du Pont De Nemours And Company | Catalysts useful for catalyzing the coupling of arylhalides with arylboronic acids |
DE502006005580D1 (de) * | 2005-03-17 | 2010-01-21 | Basf Se | Verfahren zur herstellung von optisch aktiven 3-phenylpropionsäurederivaten und folgeprodukte davon |
EP1885688B1 (en) * | 2005-05-20 | 2010-09-22 | Dr. Reddy's Laboratories (EU) Limited | Asymmetric hydrogenation for the preparation of diphenylalanine derivatives |
GB0700622D0 (en) | 2007-01-12 | 2007-02-21 | Johnson Matthey Plc | Process for preparing cationic rhodium complexes |
GB0716714D0 (en) | 2007-08-29 | 2007-10-10 | Johnson Matthey Plc | Ligands |
GB0812290D0 (en) | 2008-07-04 | 2008-08-13 | Johnson Matthey Plc | Process for preparing cationic rhodium complexes |
GB0915946D0 (en) | 2009-09-11 | 2009-10-28 | Univ St Andrews | Metal-catalysed carbonylation of unsaturated compounds |
CZ303113B6 (cs) * | 2010-03-16 | 2012-04-11 | Zentiva, K.S. | Zpusob prípravy sitagliptinu |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2681057B2 (ja) * | 1990-10-01 | 1997-11-19 | 高砂香料工業株式会社 | 2,2’―ビス(ジフェニルホスフィノ)―5,5’,6,6’,7,7’,8,8’―オクタヒドロ―1,1’―ビナフチル及びこれを配位子とする遷移金属錯体 |
DE4330730A1 (de) * | 1993-09-10 | 1995-03-16 | Bayer Ag | Neue Bisphosphine für asymmetrische Hydrierkatalysatoren |
DK0647648T3 (da) * | 1993-10-08 | 1999-09-27 | Hoffmann La Roche | Optisk aktive phosphorforbindelser |
US5399771A (en) * | 1994-06-01 | 1995-03-21 | Merck & Co., Inc. | Process of synthesizing binaphthyl derivatives |
-
1997
- 1997-06-09 US US08/866,665 patent/US5874629A/en not_active Expired - Lifetime
- 1997-06-10 HU HU9902412A patent/HU223052B1/hu not_active IP Right Cessation
- 1997-06-10 ES ES97928883T patent/ES2196343T3/es not_active Expired - Lifetime
- 1997-06-10 DK DK97928883T patent/DK0906322T3/da active
- 1997-06-10 CZ CZ19984098A patent/CZ295748B6/cs not_active IP Right Cessation
- 1997-06-10 EP EP97928883A patent/EP0906322B1/en not_active Expired - Lifetime
- 1997-06-10 EA EA199900016A patent/EA001377B1/ru not_active IP Right Cessation
- 1997-06-10 PT PT97928883T patent/PT906322E/pt unknown
- 1997-06-10 AT AT97928883T patent/ATE238319T1/de active
- 1997-06-10 CN CN97195333A patent/CN1082964C/zh not_active Expired - Fee Related
- 1997-06-10 DE DE69721257T patent/DE69721257T2/de not_active Expired - Lifetime
- 1997-06-10 AU AU33038/97A patent/AU3303897A/en not_active Abandoned
- 1997-06-10 SK SK1691-98A patent/SK284369B6/sk not_active IP Right Cessation
- 1997-06-10 WO PCT/US1997/009827 patent/WO1997047632A1/en active IP Right Grant
- 1997-06-10 BR BRPI9709677-6A patent/BR9709677B1/pt not_active IP Right Cessation
- 1997-06-11 AR ARP970102544A patent/AR007555A1/es active IP Right Grant
- 1997-06-12 TW TW086108077A patent/TW450971B/zh not_active IP Right Cessation
- 1997-10-06 UA UA99010118A patent/UA57742C2/uk unknown
-
1999
- 1999-02-03 US US09/243,859 patent/US6043387A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100379747C (zh) * | 2003-06-13 | 2008-04-09 | 约翰森·马瑟公开有限公司 | 配体 |
CN103492400A (zh) * | 2011-03-17 | 2014-01-01 | 庄信万丰股份有限公司 | 包含对位环芳和羰基配体的钌配合物及其作为催化剂的用途 |
Also Published As
Publication number | Publication date |
---|---|
ATE238319T1 (de) | 2003-05-15 |
ES2196343T3 (es) | 2003-12-16 |
EA199900016A1 (ru) | 1999-06-24 |
TW450971B (en) | 2001-08-21 |
UA57742C2 (uk) | 2003-07-15 |
US6043387A (en) | 2000-03-28 |
SK284369B6 (sk) | 2005-02-04 |
CZ295748B6 (cs) | 2005-10-12 |
BR9709677A (pt) | 2000-05-09 |
PT906322E (pt) | 2003-08-29 |
AR007555A1 (es) | 1999-11-10 |
US5874629A (en) | 1999-02-23 |
EP0906322B1 (en) | 2003-04-23 |
CZ409898A3 (cs) | 1999-05-12 |
DE69721257T2 (de) | 2004-02-05 |
CN1082964C (zh) | 2002-04-17 |
BR9709677B1 (pt) | 2010-05-18 |
DK0906322T3 (da) | 2003-06-02 |
HUP9902412A2 (hu) | 1999-11-29 |
DE69721257D1 (de) | 2003-05-28 |
HU223052B1 (hu) | 2004-03-01 |
SK169198A3 (en) | 1999-08-06 |
EA001377B1 (ru) | 2001-02-26 |
EP0906322A1 (en) | 1999-04-07 |
WO1997047632A1 (en) | 1997-12-18 |
AU3303897A (en) | 1998-01-07 |
HUP9902412A3 (en) | 2001-09-28 |
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