NO308949B1 - FremgangsmÕte for fremstilling av enantiomerisk ren azetidin- 2-karboksylsyre - Google Patents
FremgangsmÕte for fremstilling av enantiomerisk ren azetidin- 2-karboksylsyre Download PDFInfo
- Publication number
- NO308949B1 NO308949B1 NO976056A NO976056A NO308949B1 NO 308949 B1 NO308949 B1 NO 308949B1 NO 976056 A NO976056 A NO 976056A NO 976056 A NO976056 A NO 976056A NO 308949 B1 NO308949 B1 NO 308949B1
- Authority
- NO
- Norway
- Prior art keywords
- azeoh
- tartrate
- carboxylic acid
- acid
- tartaric acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 37
- IADUEWIQBXOCDZ-VKHMYHEASA-N Azetidine-2-carboxylic acid Natural products OC(=O)[C@@H]1CCN1 IADUEWIQBXOCDZ-VKHMYHEASA-N 0.000 title claims description 36
- 238000002360 preparation method Methods 0.000 title claims description 12
- IADUEWIQBXOCDZ-UHFFFAOYSA-N azetidine-2-carboxylic acid Chemical compound OC(=O)C1CCN1 IADUEWIQBXOCDZ-UHFFFAOYSA-N 0.000 title claims description 10
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 12
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 11
- 239000011975 tartaric acid Substances 0.000 claims description 11
- 235000002906 tartaric acid Nutrition 0.000 claims description 11
- 150000001413 amino acids Chemical class 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 238000010956 selective crystallization Methods 0.000 claims description 7
- 150000003892 tartrate salts Chemical class 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 150000001735 carboxylic acids Chemical class 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- FEWJPZIEWOKRBE-LWMBPPNESA-L D-tartrate(2-) Chemical compound [O-]C(=O)[C@@H](O)[C@H](O)C([O-])=O FEWJPZIEWOKRBE-LWMBPPNESA-L 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 150000004292 cyclic ethers Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 1
- 229960001270 d- tartaric acid Drugs 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- -1 N-tosyl-protected L-methionine Chemical class 0.000 description 9
- 238000002425 crystallisation Methods 0.000 description 8
- 230000008025 crystallization Effects 0.000 description 8
- 229960001367 tartaric acid Drugs 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 229940024606 amino acid Drugs 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000012456 homogeneous solution Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- FEWJPZIEWOKRBE-LWMBPPNESA-N levotartaric acid Chemical compound OC(=O)[C@@H](O)[C@H](O)C(O)=O FEWJPZIEWOKRBE-LWMBPPNESA-N 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- MWIXENPCUPDSOS-QMMMGPOBSA-N (2s)-2-amino-3-(4-hydroxyphenyl)propanehydrazide Chemical compound NNC(=O)[C@@H](N)CC1=CC=C(O)C=C1 MWIXENPCUPDSOS-QMMMGPOBSA-N 0.000 description 2
- IADUEWIQBXOCDZ-GSVOUGTGSA-N (R)-azetidine-2-carboxylic acid Chemical compound OC(=O)[C@H]1CCN1 IADUEWIQBXOCDZ-GSVOUGTGSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010908 decantation Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 125000000623 heterocyclic group Chemical group 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 238000001665 trituration Methods 0.000 description 2
- OGNSCSPNOLGXSM-UHFFFAOYSA-N (+/-)-DABA Natural products NCCC(N)C(O)=O OGNSCSPNOLGXSM-UHFFFAOYSA-N 0.000 description 1
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- OGNSCSPNOLGXSM-VKHMYHEASA-N L-2,4-diaminobutyric acid Chemical compound NCC[C@H](N)C(O)=O OGNSCSPNOLGXSM-VKHMYHEASA-N 0.000 description 1
- QJPWUUJVYOJNMH-VKHMYHEASA-N L-homoserine lactone Chemical compound N[C@H]1CCOC1=O QJPWUUJVYOJNMH-VKHMYHEASA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-M L-tartrate(1-) Chemical compound OC(=O)[C@H](O)[C@@H](O)C([O-])=O FEWJPZIEWOKRBE-JCYAYHJZSA-M 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-L L-tartrate(2-) Chemical compound [O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O FEWJPZIEWOKRBE-JCYAYHJZSA-L 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- ONIBWKKTOPOVIA-UHFFFAOYSA-N Proline Natural products OC(=O)C1CCCN1 ONIBWKKTOPOVIA-UHFFFAOYSA-N 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000010511 deprotection reaction Methods 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000016337 monopotassium tartrate Nutrition 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 229960003975 potassium Drugs 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- KYKNRZGSIGMXFH-ZVGUSBNCSA-M potassium bitartrate Chemical compound [K+].OC(=O)[C@H](O)[C@@H](O)C([O-])=O KYKNRZGSIGMXFH-ZVGUSBNCSA-M 0.000 description 1
- 229940086065 potassium hydrogentartrate Drugs 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- XOJVVFBFDXDTEG-UHFFFAOYSA-N pristane Chemical compound CC(C)CCCC(C)CCCC(C)CCCC(C)C XOJVVFBFDXDTEG-UHFFFAOYSA-N 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 125000006239 protecting group Chemical group 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- UQDJGEHQDNVPGU-UHFFFAOYSA-N serine phosphoethanolamine Chemical compound [NH3+]CCOP([O-])(=O)OCC([NH3+])C([O-])=O UQDJGEHQDNVPGU-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
- C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D205/04—Heterocyclic compounds containing four-membered rings with one nitrogen 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
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9502381A SE9502381D0 (sv) | 1995-06-30 | 1995-06-30 | Process for the production of enantiomerically-pure azetidine-2-carboxylic acid |
| SE9600435A SE9600435D0 (sv) | 1996-02-06 | 1996-02-06 | Process for the production of enantiomerically-pure azetidine-2-carboxylic acid |
| PCT/SE1996/000826 WO1997002241A1 (en) | 1995-06-30 | 1996-06-24 | Process for the production of enantiomerically-pure azetidine-2-carboxylic acid |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO976056D0 NO976056D0 (no) | 1997-12-23 |
| NO976056L NO976056L (no) | 1997-12-23 |
| NO308949B1 true NO308949B1 (no) | 2000-11-20 |
Family
ID=26662332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO976056A NO308949B1 (no) | 1995-06-30 | 1997-12-23 | FremgangsmÕte for fremstilling av enantiomerisk ren azetidin- 2-karboksylsyre |
Country Status (29)
| Country | Link |
|---|---|
| US (1) | US5942630A (de) |
| EP (1) | EP0840724B1 (de) |
| JP (2) | JP4167726B2 (de) |
| KR (1) | KR100441571B1 (de) |
| CN (1) | CN100439333C (de) |
| AR (2) | AR002573A1 (de) |
| AT (1) | ATE224871T1 (de) |
| AU (1) | AU699338B2 (de) |
| BR (1) | BR9609451A (de) |
| CA (1) | CA2225896C (de) |
| CZ (1) | CZ388397A3 (de) |
| DE (1) | DE69623966T2 (de) |
| DK (1) | DK0840724T3 (de) |
| EE (1) | EE03393B1 (de) |
| ES (1) | ES2181899T3 (de) |
| HU (1) | HUP9901713A3 (de) |
| IL (1) | IL122708A (de) |
| IN (1) | IN187238B (de) |
| IS (1) | IS4636A (de) |
| MY (1) | MY132147A (de) |
| NO (1) | NO308949B1 (de) |
| NZ (1) | NZ311834A (de) |
| PL (1) | PL324403A1 (de) |
| PT (1) | PT840724E (de) |
| RU (1) | RU2163595C2 (de) |
| SK (1) | SK179097A3 (de) |
| TR (1) | TR199701742T1 (de) |
| TW (1) | TW338035B (de) |
| WO (1) | WO1997002241A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IN187238B (de) * | 1995-06-30 | 2002-03-09 | Astra Ab | |
| SE9601600D0 (sv) * | 1996-04-26 | 1996-04-26 | Astra Ab | Improved process |
| EP0855446B1 (de) * | 1997-01-24 | 2003-04-09 | Sumitomo Chemical Company, Limited | Verfahren zur Herstellung von optisch aktiven Azetidin-2-Carbonsäurederivaten |
| JP3757629B2 (ja) * | 1998-07-17 | 2006-03-22 | 住友化学株式会社 | 光学活性ｎ−置換アゼチジン−２−カルボン酸化合物の製造方法 |
| SE9802939D0 (sv) * | 1998-09-01 | 1998-09-01 | Astra Ab | New process |
| SE9901712D0 (sv) | 1999-05-11 | 1999-05-11 | Astra Ab | New process |
| ATE399152T1 (de) | 1999-05-14 | 2008-07-15 | Kaneka Corp | Verfahren zur herstellung von optisch aktiven azetidin-2-carbonsäuren |
| JP2000344739A (ja) | 1999-06-01 | 2000-12-12 | Sumitomo Chem Co Ltd | Ｎ−保護−アゼチジン−２−カルボン酸の製造方法 |
| CN100334206C (zh) * | 2002-02-28 | 2007-08-29 | 三菱化学株式会社 | 新型脱氢酶和编码该脱氢酶的基因 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE435499B (sv) * | 1974-12-13 | 1984-10-01 | Merck & Co Inc | Diastereomert salt av s-1-t-butylamino-2,3-dihydroxipropan |
| JPS56104866A (en) * | 1980-01-24 | 1981-08-20 | Mitsubishi Chem Ind Ltd | Production of (2r,4r)-4-alkyl-2-piperidinecarboxylic acid or its l-tartarate salt |
| FR2610323B1 (fr) * | 1987-02-04 | 1989-06-23 | Delalande Sa | Enantiomeres de configuration absolue s de derives amide de l'amino-3 quinuclidine, leur procede de preparation et leur application en therapeutique |
| GB2206880B (en) * | 1987-07-16 | 1991-04-24 | Farmos Oy | Optical isomers of an imidazole derivative |
| IT1231158B (it) * | 1989-07-20 | 1991-11-19 | Dompe Farmaceutici Spa | Procedimento per la risoluzione ottica della dropropizina. |
| JPH04108774A (ja) * | 1990-08-25 | 1992-04-09 | Mitsubishi Kasei Corp | 光学活性なｎ―インダニルニコチン酸アミド誘導体及びこれを有効成分とする農園芸用殺菌剤 |
| JPH05286933A (ja) * | 1992-04-10 | 1993-11-02 | Dai Ichi Seiyaku Co Ltd | アザスピロオクタン誘導体の塩 |
| IN187238B (de) * | 1995-06-30 | 2002-03-09 | Astra Ab |
-
1996
- 1996-06-17 IN IN1325DE1996 patent/IN187238B/en unknown
- 1996-06-21 AR ARP960103279A patent/AR002573A1/es unknown
- 1996-06-24 EP EP96922327A patent/EP0840724B1/de not_active Expired - Lifetime
- 1996-06-24 RU RU98101507/04A patent/RU2163595C2/ru active
- 1996-06-24 IL IL12270896A patent/IL122708A/xx not_active IP Right Cessation
- 1996-06-24 PT PT96922327T patent/PT840724E/pt unknown
- 1996-06-24 SK SK1790-97A patent/SK179097A3/sk unknown
- 1996-06-24 US US08/716,388 patent/US5942630A/en not_active Expired - Fee Related
- 1996-06-24 HU HU9901713A patent/HUP9901713A3/hu unknown
- 1996-06-24 CZ CZ973883A patent/CZ388397A3/cs unknown
- 1996-06-24 PL PL96324403A patent/PL324403A1/xx unknown
- 1996-06-24 JP JP50505797A patent/JP4167726B2/ja not_active Expired - Fee Related
- 1996-06-24 DK DK96922327T patent/DK0840724T3/da active
- 1996-06-24 CN CNB961951133A patent/CN100439333C/zh not_active Expired - Fee Related
- 1996-06-24 EE EE9700353A patent/EE03393B1/xx unknown
- 1996-06-24 BR BR9609451A patent/BR9609451A/pt not_active IP Right Cessation
- 1996-06-24 DE DE69623966T patent/DE69623966T2/de not_active Expired - Lifetime
- 1996-06-24 TR TR97/01742T patent/TR199701742T1/xx unknown
- 1996-06-24 KR KR1019970709849A patent/KR100441571B1/ko not_active IP Right Cessation
- 1996-06-24 AT AT96922327T patent/ATE224871T1/de not_active IP Right Cessation
- 1996-06-24 WO PCT/SE1996/000826 patent/WO1997002241A1/en active IP Right Grant
- 1996-06-24 AU AU63232/96A patent/AU699338B2/en not_active Ceased
- 1996-06-24 NZ NZ311834A patent/NZ311834A/en not_active IP Right Cessation
- 1996-06-24 ES ES96922327T patent/ES2181899T3/es not_active Expired - Lifetime
- 1996-06-24 CA CA002225896A patent/CA2225896C/en not_active Expired - Fee Related
- 1996-06-29 MY MYPI96002683A patent/MY132147A/en unknown
- 1996-08-15 TW TW085109938A patent/TW338035B/zh active
-
1997
- 1997-04-18 AR ARP970101587A patent/AR006711A2/es unknown
- 1997-12-19 IS IS4636A patent/IS4636A/is unknown
- 1997-12-23 NO NO976056A patent/NO308949B1/no not_active IP Right Cessation
-
2008
- 2008-05-14 JP JP2008127145A patent/JP2008247922A/ja active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |