JP2013526502A - 3−ホルミル−セフェム誘導体の調製のための酸化方法 - Google Patents
3−ホルミル−セフェム誘導体の調製のための酸化方法 Download PDFInfo
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- JP2013526502A JP2013526502A JP2013509528A JP2013509528A JP2013526502A JP 2013526502 A JP2013526502 A JP 2013526502A JP 2013509528 A JP2013509528 A JP 2013509528A JP 2013509528 A JP2013509528 A JP 2013509528A JP 2013526502 A JP2013526502 A JP 2013526502A
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- piperidinyloxy
- tetramethyl
- baib
- catalyst
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 19
- 230000003647 oxidation Effects 0.000 title claims abstract description 15
- WDCWCSVXVOGANS-SSDOTTSWSA-N (6r)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-3-carbaldehyde Chemical class S1CC(C=O)=CN2C(=O)C[C@H]21 WDCWCSVXVOGANS-SSDOTTSWSA-N 0.000 title abstract description 6
- 238000002360 preparation method Methods 0.000 title description 2
- UFDULEKOJAEIRI-UHFFFAOYSA-N (2-acetyloxy-3-iodophenyl) acetate Chemical compound CC(=O)OC1=CC=CC(I)=C1OC(C)=O UFDULEKOJAEIRI-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007800 oxidant agent Substances 0.000 claims abstract description 18
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 13
- 230000001590 oxidative effect Effects 0.000 claims abstract description 13
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052740 iodine Inorganic materials 0.000 claims abstract description 12
- 239000011630 iodine Substances 0.000 claims abstract description 12
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical group ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 21
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 18
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 16
- GDOPTJXRTPNYNR-UHFFFAOYSA-N methyl-cyclopentane Natural products CC1CCCC1 GDOPTJXRTPNYNR-UHFFFAOYSA-N 0.000 claims description 13
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- 239000011877 solvent mixture Substances 0.000 claims description 11
- -1 5-amino- [1,2,4] thiadiazole-3- Yl Chemical class 0.000 claims description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- QYTDEUPAUMOIOP-UHFFFAOYSA-N TEMPO Chemical group CC1(C)CCCC(C)(C)N1[O] QYTDEUPAUMOIOP-UHFFFAOYSA-N 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- 125000006239 protecting group Chemical group 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 7
- 125000006244 carboxylic acid protecting group Chemical group 0.000 claims description 6
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 5
- 125000005982 diphenylmethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- 150000008282 halocarbons Chemical group 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 claims description 2
- YYTYIUAYFBFKHX-UHFFFAOYSA-N n-(1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yl)acetamide Chemical group CC(=O)NC1CC(C)(C)N(O)C(C)(C)C1 YYTYIUAYFBFKHX-UHFFFAOYSA-N 0.000 claims description 2
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 claims description 2
- 125000006503 p-nitrobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1[N+]([O-])=O)C([H])([H])* 0.000 claims description 2
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 239000002798 polar solvent Substances 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- RHLBGAGAUSNVLN-HWZXHQHMSA-N (6r)-3-hydroxy-4-methyl-5-thia-1-azabicyclo[4.2.0]oct-2-en-8-one Chemical class C1=C(O)C(C)S[C@@H]2CC(=O)N21 RHLBGAGAUSNVLN-HWZXHQHMSA-N 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000000543 intermediate Substances 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- UZFMOKQJFYMBGY-UHFFFAOYSA-N 4-hydroxy-TEMPO Chemical group CC1(C)CC(O)CC(C)(C)N1[O] UZFMOKQJFYMBGY-UHFFFAOYSA-N 0.000 description 3
- 239000005708 Sodium hypochlorite Substances 0.000 description 3
- VOAZJEPQLGBXGO-SDAWRPRTSA-N ceftobiprole Chemical compound S1C(N)=NC(C(=N\O)\C(=O)N[C@@H]2C(N3C(=C(\C=C/4C(N([C@H]5CNCC5)CC\4)=O)CS[C@@H]32)C(O)=O)=O)=N1 VOAZJEPQLGBXGO-SDAWRPRTSA-N 0.000 description 3
- 229950004259 ceftobiprole Drugs 0.000 description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CQMJEZQEVXQEJB-UHFFFAOYSA-N 1-hydroxy-1,3-dioxobenziodoxole Chemical compound C1=CC=C2I(O)(=O)OC(=O)C2=C1 CQMJEZQEVXQEJB-UHFFFAOYSA-N 0.000 description 2
- 101710116957 D-alanyl-D-alanine carboxypeptidase Proteins 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000012296 anti-solvent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- NKLCNNUWBJBICK-UHFFFAOYSA-N dess–martin periodinane Chemical compound C1=CC=C2I(OC(=O)C)(OC(C)=O)(OC(C)=O)OC(=O)C2=C1 NKLCNNUWBJBICK-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- RCBVKBFIWMOMHF-UHFFFAOYSA-L hydroxy-(hydroxy(dioxo)chromio)oxy-dioxochromium;pyridine Chemical compound C1=CC=NC=C1.C1=CC=NC=C1.O[Cr](=O)(=O)O[Cr](O)(=O)=O RCBVKBFIWMOMHF-UHFFFAOYSA-L 0.000 description 2
- 125000002346 iodo group Chemical group I* 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000013341 scale-up Methods 0.000 description 2
- 0 *C(C(*)N1C(*)=C(CO)CS)C1=O Chemical compound *C(C(*)N1C(*)=C(CO)CS)C1=O 0.000 description 1
- YRIZYWQGELRKNT-UHFFFAOYSA-N 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione Chemical compound ClN1C(=O)N(Cl)C(=O)N(Cl)C1=O YRIZYWQGELRKNT-UHFFFAOYSA-N 0.000 description 1
- 125000004493 2-methylbut-1-yl group Chemical group CC(C*)CC 0.000 description 1
- SCNWTQPZTZMXBG-UHFFFAOYSA-N 2-methyloct-2-enoic acid Chemical class CCCCCC=C(C)C(O)=O SCNWTQPZTZMXBG-UHFFFAOYSA-N 0.000 description 1
- 229930186147 Cephalosporin Natural products 0.000 description 1
- 239000012027 Collins reagent Substances 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 description 1
- 239000003810 Jones reagent Substances 0.000 description 1
- RJQXTJLFIWVMTO-TYNCELHUSA-N Methicillin Chemical compound COC1=CC=CC(OC)=C1C(=O)N[C@@H]1C(=O)N2[C@@H](C(O)=O)C(C)(C)S[C@@H]21 RJQXTJLFIWVMTO-TYNCELHUSA-N 0.000 description 1
- BUIQRTDBPCHRIR-UHFFFAOYSA-L O[Cr](Cl)(=O)=O Chemical compound O[Cr](Cl)(=O)=O BUIQRTDBPCHRIR-UHFFFAOYSA-L 0.000 description 1
- 108700020474 Penicillin-Binding Proteins Proteins 0.000 description 1
- 206010041925 Staphylococcal infections Diseases 0.000 description 1
- 241000191940 Staphylococcus Species 0.000 description 1
- 125000000738 acetamido group Chemical group [H]C([H])([H])C(=O)N([H])[*] 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- TZTAPZPUGJJQJB-UHFFFAOYSA-N benzhydryl 7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-trityloxyiminoacetyl]amino]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Chemical compound S1C(N)=NC(C(=NOC(C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)C(=O)NC2C(N3C(=C(CO)CSC32)C(=O)OC(C=2C=CC=CC=2)C=2C=CC=CC=2)=O)=N1 TZTAPZPUGJJQJB-UHFFFAOYSA-N 0.000 description 1
- LNDYUBQJFIMLCX-UHFFFAOYSA-N benzhydryl 7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-trityloxyiminoacetyl]amino]-3-formyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Chemical compound S1C(N)=NC(C(=NOC(C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)C(=O)NC2C(N3C(=C(C=O)CSC32)C(=O)OC(C=2C=CC=CC=2)C=2C=CC=CC=2)=O)=N1 LNDYUBQJFIMLCX-UHFFFAOYSA-N 0.000 description 1
- 239000012455 biphasic mixture Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229940124587 cephalosporin Drugs 0.000 description 1
- 150000001780 cephalosporins Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 229940125782 compound 2 Drugs 0.000 description 1
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 244000000058 gram-negative pathogen Species 0.000 description 1
- 244000000059 gram-positive pathogen Species 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- RCCPEORTSYDPMB-UHFFFAOYSA-N hydroxy benzenecarboximidothioate Chemical compound OSC(=N)C1=CC=CC=C1 RCCPEORTSYDPMB-UHFFFAOYSA-N 0.000 description 1
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 208000015688 methicillin-resistant staphylococcus aureus infectious disease Diseases 0.000 description 1
- SKTCDJAMAYNROS-UHFFFAOYSA-N methoxycyclopentane Chemical compound COC1CCCC1 SKTCDJAMAYNROS-UHFFFAOYSA-N 0.000 description 1
- YJYUUXFQNJIQTJ-UHFFFAOYSA-N methyl 2-iodylbenzoate Chemical compound COC(=O)C1=CC=CC=C1I(=O)=O YJYUUXFQNJIQTJ-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- 229960003085 meticillin Drugs 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 229940002612 prodrug Drugs 0.000 description 1
- 239000000651 prodrug Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- ALSRTSXZMQADEF-UHFFFAOYSA-N propan-2-yl 2-iodylbenzoate Chemical compound CC(C)OC(=O)C1=CC=CC=C1I(=O)=O ALSRTSXZMQADEF-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
- NPRDHMWYZHSAHR-UHFFFAOYSA-N pyridine;trioxochromium Chemical compound O=[Cr](=O)=O.C1=CC=NC=C1.C1=CC=NC=C1 NPRDHMWYZHSAHR-UHFFFAOYSA-N 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical compound C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 229950009390 symclosene Drugs 0.000 description 1
- 125000001981 tert-butyldimethylsilyl group Chemical group [H]C([H])([H])[Si]([H])(C([H])([H])[H])[*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/02—Preparation
- C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/14—Compounds having a nitrogen atom directly attached in position 7
- C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
- C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
- C07D501/26—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group
- C07D501/34—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group with the 7-amino radical acylated by carboxylic acids containing hetero rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
・ 低い収率:MnO2を用いた場合、52%。
・ 低い収率:次亜塩素酸ナトリウムとTEMPOとの組み合わせを酸化剤として用いた場合、74%。
・ 過剰酸化(S−酸化物の形成)を最小限にするために、次亜塩素酸ナトリウムを、注意深く連続的に投与する必要がある。
・ 水とジクロロメタンとの不均質な二相系を、激しく撹拌する必要がある。
・ 大量の溶媒が必要である:約7.6リットル/mol。
・ 収率の向上:最大84%。
・ 従来技術による上述の方式を社内で再現した際の純度83〜92%と比べた純度の向上(92.8〜97.9%の範囲)(LCを用いて測定した純度)。
・ 酸化剤の追加速度及び過剰酸化といった問題がないため、得られる生成物の品質が高まる。
・ 一つの有機相であるため、激しい撹拌の必要がなく、スケールアップがより容易かつ確実となる。
・ 用いる溶媒が低容量である:2〜5リットル/mol。
(式中、R1は、ヒドロキシ保護基であり、そしてR2は、カルボン酸保護基である)
で示される7−[2−(5−アミノ−[1,2,4]チアジアゾール−3−イル)−2−ヒドロキシ−イミノ−アセチルアミノ]−3−ホルミル−8−オキソ−5−チア−1−アザ−ビシクロ[4.2.0]オクタ−2−エン−2−カルボン酸誘導体の調製方法であって、
式(II):
で示される化合物を、適切な溶媒中の10−I−3型超原子価ヨウ素酸化剤、例えば、ビス(アセトキシ)ヨード−ベンゼン(BAIB)又は[ビス(1,1,1−トリフルオロアセトキシ)ヨード]ベンゼン(BTIB)と、2,2,6,6−テトラメチル−1−ピペリジニルオキシ(TEMPO)、4−ヒドロキシ−2,2,6,6−テトラメチル−1−ピペリジニルオキシ及び4−(アセチルアミノ)−2,2,6,6−テトラメチル−1−ピペリジニルオキシから選択される触媒との組み合わせを用いて酸化することを含むことを特徴とする方法に関する。
一般的酸化手順
・ 1molの7−[2−(5−アミノ−[1,2,4]チアジアゾール−3−イル)−2−トリチルオキシイミノ−アセチルアミノ]−3−ヒドロキシメチル−8−オキソ−5−チア−1−アザ−ビシクロ[4.2.0]オクタ−2−エン−2−カルボン酸ベンズヒドリルエステル(化合物2)を、反応容器に加えた。
・ 溶媒を加え、そして10℃まで冷却した。
・ 2,2,6,6−テトラメチル−1−ピペリジニルオキシ(TEMPO)、4−ヒドロキシ−2,2,6,6−テトラメチル−1−ピペリジニルオキシ及び4−(アセチルアミノ)−2,2,6,6−テトラメチル−1−ピペリジニルオキシから選択される0.10molの触媒を加えた。
・ さらに5分間撹拌した。
・ ビス(アセトキシ)ヨード−ベンゼン(BAIB)から選択される1.1molの10−I−3型超原子価ヨウ素酸化剤を加えた。
・ 変換が完了(LCによる測定)するまで撹拌した。
・ 処理手順:
・ 反応生成物を、貧溶媒、例えば、シクロヘキサン(その他の適切な貧溶媒は、メチルシクロヘキサン、イソオクタン、ジイソプロピルエーテル及びシクロペンチルメチルエーテルである)を加えることにより、沈殿させた。
・ 沈殿物を濾別した。
・ 沈殿物を洗浄した。
・ 単離した7−[2−(5−アミノ−[1,2,4]チアジアゾール−3−イル)−2−トリチルオキシイミノ−アセチルアミノ]−3−ホルミル−8−オキソ−5−チア−1−アザ−ビシクロ[4.2.0]オクタ−2−エン−2−カルボン酸ベンズヒドリルエステル(化合物(1))を、減圧下、30℃で乾燥させた。
Claims (11)
- 式(I):
(式中、R1は、ヒドロキシ保護基であり、そしてR2は、カルボン酸保護基である)で示される7−[2−(5−アミノ−[1,2,4]チアジアゾール−3−イル)−2−ヒドロキシ−イミノ−アセチルアミノ]−3−ホルミル−8−オキソ−5−チア−1−アザ−ビシクロ[4.2.0]オクタ−2−エン−2−カルボン酸誘導体の調製方法であって、
式(II):
で示される化合物を、適切な溶媒中の10−I−3型超原子価ヨウ素酸化剤と、2,2,6,6−テトラメチル−1−ピペリジニルオキシ(TEMPO)、4−ヒドロキシ−2,2,6,6−テトラメチル−1−ピペリジニルオキシ及び4−(アセチルアミノ)−2,2,6,6−テトラメチル−1−ピペリジニルオキシから選択される触媒との組み合わせを用いて酸化することを含むことを特徴とする方法。 - 超原子価ヨウ素酸化剤が、ビス(アセトキシ)ヨードベンゼン(BAIB)又は[ビス(1,1,1−トリフルオロアセトキシ)−ヨード]ベンゼン(BTIB)から選択される、請求項1記載の方法。
- 超原子価ヨウ素酸化剤が、ビス(アセトキシ)ヨードベンゼン(BAIB)である、請求項2記載の方法。
- ヒドロキシ保護基R1が、ベンジル、フェニルエチル、ナフタレニルメチル、トリフェニルメチル又はトリ(C1−6アルキル)シリルから選択され、そしてカルボン酸保護基R2が、ジフェニルメチル、tert−ブチル、p−ニトロベンジル、p−メトキシベンジル、メトキシメチルから選択される、請求項3記載の方法。
- R1が、トリフェニルメチルであり、そしてR2が、ジフェニルメチルから選択される、請求項4記載の方法。
- 触媒が、2,2,6,6−テトラメチル−1−ピペリジニルオキシ(TEMPO)である、請求項5記載の方法。
- 触媒量が、式(II)の化合物に対して0.05〜0.2molの範囲であり、そしてBAIBの量が、式(II)の化合物に対して1モル〜1.2molの範囲である、請求項5又は6のいずれか一項記載の方法。
- 式(II)の化合物に対して、触媒量が、0.1モルであり、BAIBの量が、1.1molである、請求項7記載の方法。
- 適切な溶媒が、ハロゲン化炭化水素、エステル、エーテル、炭化水素、極性溶媒及びそれらの溶媒混合物から選択される、請求項8記載の方法。
- 適切な溶媒が、ジクロロメタン、酢酸エチル、テトラヒドロフラン、トルエン、アセトン及びアセトニトリル並びにそれらの溶媒混合物から選択される、請求項9記載の方法。
- 適切な溶媒が、ジクロロメタンと、テトラヒドロフラン、アセトニトリル又は酢酸エチルとの溶媒混合物;酢酸エチルとテトラヒドロフランとの溶媒混合物;及びトルエンとテトラヒドロフランとの溶媒混合物から選択される溶媒混合物である、請求項10記載の方法。
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