JP5318416B2 - フッ素化法 - Google Patents
フッ素化法 Download PDFInfo
- Publication number
- JP5318416B2 JP5318416B2 JP2007542100A JP2007542100A JP5318416B2 JP 5318416 B2 JP5318416 B2 JP 5318416B2 JP 2007542100 A JP2007542100 A JP 2007542100A JP 2007542100 A JP2007542100 A JP 2007542100A JP 5318416 B2 JP5318416 B2 JP 5318416B2
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- JP
- Japan
- Prior art keywords
- fluoride
- water
- solvent
- derivative
- reaction
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000003682 fluorination reaction Methods 0.000 title description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000002904 solvent Substances 0.000 claims abstract description 36
- 235000000346 sugar Nutrition 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims abstract description 15
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical group CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 84
- 238000006243 chemical reaction Methods 0.000 claims description 36
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 33
- 239000000243 solution Substances 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 claims description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- 239000003960 organic solvent Substances 0.000 claims description 8
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 claims description 7
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 6
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 150000002303 glucose derivatives Chemical class 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000010511 deprotection reaction Methods 0.000 claims description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 3
- AUFVJZSDSXXFOI-UHFFFAOYSA-N 2.2.2-cryptand Chemical compound C1COCCOCCN2CCOCCOCCN1CCOCCOCC2 AUFVJZSDSXXFOI-UHFFFAOYSA-N 0.000 claims description 3
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical group O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 2
- 239000003444 phase transfer catalyst Substances 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 238000009472 formulation Methods 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 150000003214 pyranose derivatives Chemical group 0.000 claims 1
- 238000004334 fluoridation Methods 0.000 abstract 1
- 238000002372 labelling Methods 0.000 description 20
- 239000000047 product Substances 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 15
- 238000003786 synthesis reaction Methods 0.000 description 15
- -1 [ 18 F] fluorine ions Chemical class 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000001035 drying Methods 0.000 description 10
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 10
- 229920002536 Scavenger resin Polymers 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- 238000004809 thin layer chromatography Methods 0.000 description 9
- OIBDVHSTOUGZTJ-PEBLQZBPSA-N [(2r,3r,4s,5s,6s)-3,4,6-triacetyloxy-5-(trifluoromethylsulfonyloxy)oxan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@H]1O[C@@H](OC(C)=O)[C@@H](OS(=O)(=O)C(F)(F)F)[C@@H](OC(C)=O)[C@@H]1OC(C)=O OIBDVHSTOUGZTJ-PEBLQZBPSA-N 0.000 description 8
- KRHYYFGTRYWZRS-BJUDXGSMSA-M fluorine-18(1-) Chemical compound [18F-] KRHYYFGTRYWZRS-BJUDXGSMSA-M 0.000 description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 125000006239 protecting group Chemical group 0.000 description 6
- 230000002285 radioactive effect Effects 0.000 description 6
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 description 5
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 5
- 239000008103 glucose Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 229910000027 potassium carbonate Inorganic materials 0.000 description 5
- 238000000163 radioactive labelling Methods 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 239000007790 solid phase Substances 0.000 description 5
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical group [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000700 radioactive tracer Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 150000002772 monosaccharides Chemical class 0.000 description 3
- 230000000269 nucleophilic effect Effects 0.000 description 3
- 238000010534 nucleophilic substitution reaction Methods 0.000 description 3
- 238000002600 positron emission tomography Methods 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 235000006506 Brasenia schreberi Nutrition 0.000 description 2
- HMFHBZSHGGEWLO-SOOFDHNKSA-N D-ribofuranose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H]1O HMFHBZSHGGEWLO-SOOFDHNKSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 229930091371 Fructose Natural products 0.000 description 2
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 2
- 239000005715 Fructose Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- PYMYPHUHKUWMLA-LMVFSUKVSA-N Ribose Natural products OC[C@@H](O)[C@@H](O)[C@@H](O)C=O PYMYPHUHKUWMLA-LMVFSUKVSA-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
- XZROGSCQGJWNFT-RGDJUOJXSA-N [(2r,3r,4s,5r,6s)-3,4,6-triacetyloxy-5-fluoro-5-hydroxyoxan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@H]1O[C@@H](OC(C)=O)[C@](O)(F)[C@@H](OC(C)=O)[C@@H]1OC(C)=O XZROGSCQGJWNFT-RGDJUOJXSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- HMFHBZSHGGEWLO-UHFFFAOYSA-N alpha-D-Furanose-Ribose Natural products OCC1OC(O)C(O)C1O HMFHBZSHGGEWLO-UHFFFAOYSA-N 0.000 description 2
- WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 description 2
- PYMYPHUHKUWMLA-WDCZJNDASA-N arabinose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)C=O PYMYPHUHKUWMLA-WDCZJNDASA-N 0.000 description 2
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- 235000010323 ascorbic acid Nutrition 0.000 description 2
- 239000011668 ascorbic acid Substances 0.000 description 2
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
- 150000001719 carbohydrate derivatives Chemical class 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 2
- 150000002016 disaccharides Chemical class 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 229930182830 galactose Natural products 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- HMSWAIKSFDFLKN-UHFFFAOYSA-N hexacosane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCC HMSWAIKSFDFLKN-UHFFFAOYSA-N 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 150000002703 mannose derivatives Chemical class 0.000 description 2
- 229920001542 oligosaccharide Polymers 0.000 description 2
- 150000002482 oligosaccharides Chemical class 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000012217 radiopharmaceutical Substances 0.000 description 2
- 229940121896 radiopharmaceutical Drugs 0.000 description 2
- 230000002799 radiopharmaceutical effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- AOYNUTHNTBLRMT-MXWOLSILSA-N 2-Deoxy-2(F-18)fluoro-2-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H]([18F])C=O AOYNUTHNTBLRMT-MXWOLSILSA-N 0.000 description 1
- AOYNUTHNTBLRMT-SLPGGIOYSA-N 2-deoxy-2-fluoro-aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](F)C=O AOYNUTHNTBLRMT-SLPGGIOYSA-N 0.000 description 1
- LBLYYCQCTBFVLH-UHFFFAOYSA-M 2-methylbenzenesulfonate Chemical compound CC1=CC=CC=C1S([O-])(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-M 0.000 description 1
- 238000003109 Karl Fischer titration Methods 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- WEDQSUHFUFBWEC-RKQHYHRCSA-N [(2r,3r,4s,5r,6s)-3,4,6-triacetyloxy-5-hydroxy-5-(trifluoromethylsulfonyl)oxan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@H]1O[C@@H](OC(C)=O)[C@](O)(S(=O)(=O)C(F)(F)F)[C@@H](OC(C)=O)[C@@H]1OC(C)=O WEDQSUHFUFBWEC-RKQHYHRCSA-N 0.000 description 1
- PMZXXNPJQYDFJX-UHFFFAOYSA-N acetonitrile;2,2,2-trifluoroacetic acid Chemical compound CC#N.OC(=O)C(F)(F)F PMZXXNPJQYDFJX-UHFFFAOYSA-N 0.000 description 1
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
- 239000012346 acetyl chloride Substances 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- MHDVGSVTJDSBDK-UHFFFAOYSA-N dibenzyl ether Chemical compound C=1C=CC=CC=1COCC1=CC=CC=C1 MHDVGSVTJDSBDK-UHFFFAOYSA-N 0.000 description 1
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 150000002148 esters Chemical group 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012025 fluorinating agent Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000003709 fluoroalkyl group Chemical group 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910021397 glassy carbon Inorganic materials 0.000 description 1
- 125000001188 haloalkyl group Chemical group 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004255 ion exchange chromatography Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 150000008040 ionic compounds Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- HAMGRBXTJNITHG-UHFFFAOYSA-N methyl isocyanate Chemical compound CN=C=O HAMGRBXTJNITHG-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000002414 normal-phase solid-phase extraction Methods 0.000 description 1
- 239000012038 nucleophile Substances 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003608 radiolysis reaction Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004007 reversed phase HPLC Methods 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 125000000565 sulfonamide group Chemical group 0.000 description 1
- 125000005207 tetraalkylammonium group Chemical group 0.000 description 1
- 125000005497 tetraalkylphosphonium group Chemical group 0.000 description 1
- 125000002827 triflate group Chemical group FC(S(=O)(=O)O*)(F)F 0.000 description 1
- YOIAWAIKYVEKMF-UHFFFAOYSA-N trifluoromethanesulfonic acid Chemical group OS(=O)(=O)C(F)(F)F.OS(=O)(=O)C(F)(F)F YOIAWAIKYVEKMF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K51/00—Preparations containing radioactive substances for use in therapy or testing in vivo
- A61K51/02—Preparations containing radioactive substances for use in therapy or testing in vivo characterised by the carrier, i.e. characterised by the agent or material covalently linked or complexing the radioactive nucleus
- A61K51/04—Organic compounds
- A61K51/0491—Sugars, nucleosides, nucleotides, oligonucleotides, nucleic acids, e.g. DNA, RNA, nucleic acid aptamers
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H1/00—Processes for the preparation of sugar derivatives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H13/00—Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids
- C07H13/02—Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids by carboxylic acids
- C07H13/04—Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids by carboxylic acids having the esterifying carboxyl radicals attached to acyclic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H13/00—Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids
- C07H13/02—Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids by carboxylic acids
- C07H13/10—Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids by carboxylic acids having the esterifying carboxyl radicals directly attached to heterocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H3/00—Compounds containing only hydrogen atoms and saccharide radicals having only carbon, hydrogen, and oxygen atoms
- C07H3/02—Monosaccharides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Genetics & Genomics (AREA)
- Medicinal Chemistry (AREA)
- Public Health (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Optics & Photonics (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
- Saccharide Compounds (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
式中、固体担体は適当な担体であり、
保護非フッ素化糖誘導体は上記で定義した通りであり、
Xは保護非フッ素化糖誘導体の特定の部位での求核置換を促進する基、例えば−SO2O−であり、
リンカーは、反応性を最大に高めるため反応性部位を固体担体構造から十分に離隔させるのに役立つ適当な有機基であり、例えば0〜4個のアリール基(例えばフェニル)及び/又はC1〜C6アルキル又はハロアルキル(特にフルオロアルキル)鎖並びに適宜追加される1〜4個のアミド又はスルホンアミド基のような官能基である。
本例では、18F−での3通りの糖標識法を用いて、反応混合物の水分量変化の影響を評価した。
18F−をTracerlab MX(商標)に導入し、2−[18F]フルオロ−2−デオキシグルコースの製造で用いられる標準的乾燥工程を用いて乾燥した。Kryptofix(商標)2.2.2/炭酸カリウムを用いてフッ化物をアセトニトリル中に溶解させた。乾燥工程を終え、フッ化物をアセトニトリル中に溶解した後、アセトニトリル中の乾燥18F−試料を水分量分析用に採取し、カールフィッシャー滴定計で測定した。乾燥プロセスで通常得られるよりも水分量を高くするため、必要に応じて、追加の水を導入した。
HPLCグレードのH2O600μLに溶解した32mgのK2CO3に、2.5mLアセトニトリルに溶解したKryptofix(商標)2.2.2を加えた溶液を調製した。その0.6mLを、18O濃縮水中の約40MBqの18F−と共にガラス状炭素反応器に加えた。ヒータコントローラを95℃に設定し、反応容器を合計35分間加熱してフッ化物を乾燥した。水とアセトニトリルを窒素気流中で蒸発させた。
内蔵加熱反応容器及び使い捨てポリプロピレンカセットと共に25個の三方弁を備えたプロトタイプ自動化合成プラットフォームで標識を行った。カセット流路は中間体又は最終生成物のSPE精製も可能にする。
RLVの18−フッ化物標識を、Kryptofix(商標)2.2.2、炭酸カリウム及び様々な量の水の存在下、アセトニトリル中で実施した。標識後、得られた混合物を逆相HPLCに付して、Phenomenex Luna 5μm C18カラム(4.6mm×150mm)を用いて10分間流速1mL/分で90%溶媒A/10%溶媒Bから5%溶媒A/95%溶媒Bへの勾配(溶媒A=0.1%トリフルオロ酢酸水溶液、溶媒B=0.1%トリフルオロ酢酸アセトニトリル溶液)を流した。保持時間3分の保護グルコースのピークと6.6分の保護FDGのピーク(主に[19F]−FDGの存在に起因し、その量は[18F]−FDGに比例する)の積分値を求め、それらの相関関係を求めた。
標識化の最初に放射性反応混合物をサンプリングするのには問題があった。そのため、水分量を標識反応の最後にRCP(ITLCで測定)と共に測定した。これから、以下に述べる通り水封鎖を計算に入れることよって標識開始時の水分量を算出した。
1,3,4,6−テトラ−O−アセチル−2−フルオロ−β−D−マンノピラノースの合成は、使い捨てカセットが取り付けられるように設計された自動合成装置で実施した。このカセットは、固相抽出カートリッジ用のスペースとシリンジと共に各種試薬の収容用バイアルを備えた25弁の使い捨てカセットからなる。
3回のコールド(非放射性)実験を行って、マンノーストリフレートとの反応でどの程度の水がなくなったかを調べるために所定体積の反応液を標識反応の前後にサンプリングした。これによって、測定した水分量に水封鎖を計算に入れることができた。
各放射標識反応の水分量を測定し、マンノーストリフレートによる水の封鎖を計算に入れて標識前の水分量を補正した。各水分量で得られたRCPを表2に示すとともに、図3に図示する。
Claims (11)
- テトラアセチルマンノース誘導体とイオン性フッ化物との反応を含んでなる保護フッ素化グルコース誘導体の製造方法であって、前記保護フッ素化グルコース誘導体が2−フルオロ−1,3,4,6−テトラ−O−アセチル−D−グルコース(すなわちテトラアセチルフルオログルコース又はpFDG)であり、前記テトラアセチルマンノース誘導体が1,3,4,6−テトラ−O−アセチル−2−トリフルオロメタンスルホニル−β−D−マンノピラノース(すなわちテトラアセチルマンノーストリフレート)であり、上記反応を、2000〜7000ppmの量の水を含有する溶媒中で実施することを特徴とする方法。
- 前記溶媒がアセトニトリル、ジメチルホルムアミド、ジメチルスルホキシド、テトラヒドロフラン、ジオキサン、1,2−ジメトキシエタン、スルホラン及びN−メチルピロリジノンから選択される、請求項1記載の方法。
- 前記溶媒がアセトニトリルである、請求項2記載の方法。
- 前記溶媒の水分量が3000ppm〜6000ppmである、請求項1乃至請求項3のいずれか1項記載の方法。
- 液相中で実施される、請求項1乃至請求項4のいずれか1項記載の方法。
- 自動化された請求項1乃至請求項5のいずれか1項記載の方法。
- 前記イオン性フッ化物がカリウム対イオンとのイオン性フッ化物であって、4,7,13,16,21,24−ヘキサオキサ−1,10−ジアザビシクロ−[8,8,8]−ヘキサコサンからなる相間移動触媒が前記イオン性フッ化物に添加される、請求項1乃至請求項6のいずれか1項記載の方法。
- 放射性標識糖誘導体の製造のための1乃至請求項7のいずれか1項記載の方法。
- 放射性標識糖誘導体が[18F]標識糖誘導体である、請求項8記載の方法。
- 前記[18F]標識糖誘導体が[18F]−pFDGである、請求項9記載の方法。
- 以下の(i)〜(iv)の1以上の追加工程を任意の順序でさらに含む、請求項1乃至請求項9のいずれか1項記載の方法。
(i)溶液からの過剰フッ化物の除去、
(ii)脱保護フッ化物を得るための保護フッ素化糖誘導体の脱保護、
(iii)有機溶媒の除去、及び
(iv)水溶液中の脱保護フッ化物糖誘導体の製剤化。
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MX2007006052A (es) | 2007-07-10 |
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