JPS61227566A - Synthesis of swainsonine and relating compound - Google Patents
Synthesis of swainsonine and relating compoundInfo
- Publication number
- JPS61227566A JPS61227566A JP60069627A JP6962785A JPS61227566A JP S61227566 A JPS61227566 A JP S61227566A JP 60069627 A JP60069627 A JP 60069627A JP 6962785 A JP6962785 A JP 6962785A JP S61227566 A JPS61227566 A JP S61227566A
- Authority
- JP
- Japan
- Prior art keywords
- reduced pressure
- under reduced
- solvent
- mixture
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 46
- FXUAIOOAOAVCGD-UHFFFAOYSA-N swainsonine Natural products C1CCC(O)C2C(O)C(O)CN21 FXUAIOOAOAVCGD-UHFFFAOYSA-N 0.000 title claims abstract description 10
- FXUAIOOAOAVCGD-FKSUSPILSA-N swainsonine Chemical compound C1CC[C@H](O)[C@H]2[C@H](O)[C@H](O)CN21 FXUAIOOAOAVCGD-FKSUSPILSA-N 0.000 title claims abstract description 10
- 229960005566 swainsonine Drugs 0.000 title claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
- 125000006239 protecting group Chemical group 0.000 claims abstract description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 32
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical group [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims 1
- JDVVGAQPNNXQDW-TVNFTVLESA-N Castinospermine Chemical compound C1[C@H](O)[C@@H](O)[C@H](O)[C@H]2[C@@H](O)CCN21 JDVVGAQPNNXQDW-TVNFTVLESA-N 0.000 abstract description 4
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- JDVVGAQPNNXQDW-WCMLQCRESA-N Castanospermine Natural products O[C@H]1[C@@H](O)[C@H]2[C@@H](O)CCN2C[C@H]1O JDVVGAQPNNXQDW-WCMLQCRESA-N 0.000 abstract description 2
- 125000004390 alkyl sulfonyl group Chemical group 0.000 abstract description 2
- LXBIFEVIBLOUGU-JGWLITMVSA-N duvoglustat Chemical compound OC[C@H]1NC[C@H](O)[C@@H](O)[C@@H]1O LXBIFEVIBLOUGU-JGWLITMVSA-N 0.000 abstract 2
- LXBIFEVIBLOUGU-UHFFFAOYSA-N Deoxymannojirimycin Natural products OCC1NCC(O)C(O)C1O LXBIFEVIBLOUGU-UHFFFAOYSA-N 0.000 abstract 1
- 125000001589 carboacyl group Chemical group 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 75
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 63
- 239000002904 solvent Substances 0.000 description 62
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 60
- 239000000203 mixture Substances 0.000 description 59
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 47
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 44
- 239000007788 liquid Substances 0.000 description 39
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 37
- -1 ethanesulfonyl Chemical group 0.000 description 31
- 238000004440 column chromatography Methods 0.000 description 30
- 239000000741 silica gel Substances 0.000 description 28
- 229910002027 silica gel Inorganic materials 0.000 description 28
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 27
- 238000006243 chemical reaction Methods 0.000 description 27
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 24
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 22
- 235000019341 magnesium sulphate Nutrition 0.000 description 22
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 20
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 18
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 17
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 17
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 16
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 15
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 15
- 239000012230 colorless oil Substances 0.000 description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- WORJEOGGNQDSOE-UHFFFAOYSA-N chloroform;methanol Chemical compound OC.ClC(Cl)Cl WORJEOGGNQDSOE-UHFFFAOYSA-N 0.000 description 12
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- 239000013078 crystal Substances 0.000 description 10
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 239000003921 oil Substances 0.000 description 10
- 239000006188 syrup Substances 0.000 description 10
- 235000020357 syrup Nutrition 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 9
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 8
- 238000001035 drying Methods 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 7
- OAYLNYINCPYISS-UHFFFAOYSA-N ethyl acetate;hexane Chemical compound CCCCCC.CCOC(C)=O OAYLNYINCPYISS-UHFFFAOYSA-N 0.000 description 7
- 239000012280 lithium aluminium hydride Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 229920001429 chelating resin Polymers 0.000 description 6
- 235000008504 concentrate Nutrition 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 239000000594 mannitol Substances 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 description 5
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 229930195725 Mannitol Natural products 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 4
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 210000003127 knee Anatomy 0.000 description 4
- 235000010355 mannitol Nutrition 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- FGTJJHCZWOVVNH-UHFFFAOYSA-N tert-butyl-[tert-butyl(dimethyl)silyl]oxy-dimethylsilane Chemical compound CC(C)(C)[Si](C)(C)O[Si](C)(C)C(C)(C)C FGTJJHCZWOVVNH-UHFFFAOYSA-N 0.000 description 4
- BCNZYOJHNLTNEZ-UHFFFAOYSA-N tert-butyldimethylsilyl chloride Chemical compound CC(C)(C)[Si](C)(C)Cl BCNZYOJHNLTNEZ-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 125000002252 acyl group Chemical group 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 238000001308 synthesis method Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical class [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 102100022006 Cell division cycle protein 123 homolog Human genes 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 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 2
- 102000004366 Glucosidases Human genes 0.000 description 2
- 108010056771 Glucosidases Proteins 0.000 description 2
- 101000897353 Homo sapiens Cell division cycle protein 123 homolog Proteins 0.000 description 2
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 description 2
- 102000001696 Mannosidases Human genes 0.000 description 2
- 108010054377 Mannosidases Proteins 0.000 description 2
- 239000012359 Methanesulfonyl chloride Substances 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000001118 alkylidene group Chemical group 0.000 description 2
- HSDAJNMJOMSNEV-UHFFFAOYSA-N benzyl chloroformate Chemical compound ClC(=O)OCC1=CC=CC=C1 HSDAJNMJOMSNEV-UHFFFAOYSA-N 0.000 description 2
- SIHHLZPXQLFPMC-UHFFFAOYSA-N chloroform;methanol;hydrate Chemical compound O.OC.ClC(Cl)Cl SIHHLZPXQLFPMC-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- ZKQFHRVKCYFVCN-UHFFFAOYSA-N ethoxyethane;hexane Chemical compound CCOCC.CCCCCC ZKQFHRVKCYFVCN-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 description 2
- QARBMVPHQWIHKH-UHFFFAOYSA-N methanesulfonyl chloride Chemical compound CS(Cl)(=O)=O QARBMVPHQWIHKH-UHFFFAOYSA-N 0.000 description 2
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- KJIFKLIQANRMOU-UHFFFAOYSA-N oxidanium;4-methylbenzenesulfonate Chemical compound O.CC1=CC=C(S(O)(=O)=O)C=C1 KJIFKLIQANRMOU-UHFFFAOYSA-N 0.000 description 2
- BSCHIACBONPEOB-UHFFFAOYSA-N oxolane;hydrate Chemical compound O.C1CCOC1 BSCHIACBONPEOB-UHFFFAOYSA-N 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000012279 sodium borohydride Substances 0.000 description 2
- 229910000033 sodium borohydride Inorganic materials 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000006257 total synthesis reaction Methods 0.000 description 2
- QAEDZJGFFMLHHQ-UHFFFAOYSA-N trifluoroacetic anhydride Chemical compound FC(F)(F)C(=O)OC(=O)C(F)(F)F QAEDZJGFFMLHHQ-UHFFFAOYSA-N 0.000 description 2
- UYJGDWWSVQDSJF-JMARFVTJSA-N (2r,3s,4r,5s)-2-(hydroxymethyl)piperidine-2,3,4,5,6-pentol Chemical compound OC[C@]1(O)NC(O)[C@@H](O)[C@@H](O)[C@@H]1O UYJGDWWSVQDSJF-JMARFVTJSA-N 0.000 description 1
- LXBIFEVIBLOUGU-BXKVDMCESA-N (2s,3s,4s,5s)-2-(hydroxymethyl)piperidine-3,4,5-triol Chemical compound OC[C@@H]1NC[C@H](O)[C@H](O)[C@H]1O LXBIFEVIBLOUGU-BXKVDMCESA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 1
- RHQDFWAXVIIEBN-UHFFFAOYSA-N Trifluoroethanol Chemical compound OCC(F)(F)F RHQDFWAXVIIEBN-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 229930013930 alkaloid Natural products 0.000 description 1
- 150000003797 alkaloid derivatives Chemical class 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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 125000003435 aroyl group Chemical group 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000000649 benzylidene group Chemical group [H]C(=[*])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000010511 deprotection reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- UKJFVOWPUXSBOM-UHFFFAOYSA-N hexane;oxolane Chemical compound C1CCOC1.CCCCCC UKJFVOWPUXSBOM-UHFFFAOYSA-N 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
- 239000010410 layer Substances 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 125000000466 oxiranyl group Chemical group 0.000 description 1
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002568 propynyl group Chemical group [*]C#CC([H])([H])[H] 0.000 description 1
- 235000020083 shōchū Nutrition 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- SUBJHSREKVAVAR-UHFFFAOYSA-N sodium;methanol;methanolate Chemical compound [Na+].OC.[O-]C SUBJHSREKVAVAR-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- ILMRJRBKQSSXGY-UHFFFAOYSA-N tert-butyl(dimethyl)silicon Chemical group C[Si](C)C(C)(C)C ILMRJRBKQSSXGY-UHFFFAOYSA-N 0.000 description 1
- 125000005425 toluyl group Chemical group 0.000 description 1
- 125000002088 tosyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C([H])([H])[H])S(*)(=O)=O 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
- IIHPVYJPDKJYOU-UHFFFAOYSA-N triphenylcarbethoxymethylenephosphorane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(=CC(=O)OCC)C1=CC=CC=C1 IIHPVYJPDKJYOU-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Hydrogenated Pyridines (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
褒胛Δ立」
本発明は、マンノシダーゼあるいはグルコシダーゼ等の
酵素阻害活性を有し、医薬として有用な、スワインソニ
ンおよびその関連化合物の全合成法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for total synthesis of swainsonine and its related compounds, which have enzyme inhibitory activity such as mannosidase or glucosidase and are useful as pharmaceuticals.
発明の背景
天然のイントリジジン・アルカロイドの1種であるスワ
インソニンや、その関連化合物がマンノシダーゼあるい
はグルコシダーゼ等の酵素に対する阻害活性を有し、医
薬として有用なことが判明しており、従来から、その全
合成が試みられている。Background of the Invention Swainsonine, a type of natural intrizidine alkaloid, and its related compounds have been found to have inhibitory activity against enzymes such as mannosidase and glucosidase, and are useful as medicines. Total synthesis is being attempted.
本発明者らは、スワインソニンおよび関連化合物につい
て種々研究を重ねる間に、これらの化合物を効率よく合
成できる新規な合成法を見出した。The present inventors, while conducting various studies on swainsonine and related compounds, discovered a new synthetic method that can efficiently synthesize these compounds.
衾肌q塁!
本発明の合成法によれば、式:
[式中、 は、
[1] [n](式中、R3は
水素またはヒドロキシ保護基を意味する)
で示される基、RIおよびR”は、各々、独立して、ま
たは両者が一緒になって形成するヒドロキシ保護基を意
味する]
で示される化合物の保護基を脱離させることにより、式
:
[式中、 は、前記と同じであるで示される
スワインソニンおよびその関連化合物が得られる。衾hada q base! According to the synthesis method of the present invention, the group represented by the formula: [1] [n] (wherein R3 means hydrogen or a hydroxy protecting group), RI and R'' are each means a hydroxy protecting group formed independently or together] By removing the protecting group of a compound represented by the formula: [wherein is the same as above, Swainsonine and its related compounds are obtained.
なお、これらの式はいずれも平面構造式で記載している
が、本明細書においては、これらの式をもって、可能な
立体配置を全て表わすものとする。In addition, although all of these formulas are described as planar structural formulas, in this specification, these formulas are used to represent all possible steric configurations.
発明の詳細
な説明の合成法の目的化合物である式[B]で示される
スワインソニンおよびその関連化合物はいずれも公知で
あり、スワインソニン(R″が水素の式[I]で示され
る基を有する化合物)、カスタノスペルミンおよび1−
エピ−カスタノスペルミン(R3が水素の式[II]で
示される基を有する化合物)、l−デオキシノジリマイ
シンおよびl−デオキシマンノジリマイシン(R3が水
素の式[[I[]で示される基を有する化合物)を包含
する。Swainsonine represented by the formula [B], which is the target compound of the synthesis method in the detailed description of the invention, and its related compounds are all known. compounds having groups), castanospermine and 1-
epi-castanospermine (a compound having a group represented by the formula [II] in which R3 is hydrogen), l-deoxynojirimycin and l-deoxymannojirimycin (a compound having a group represented by the formula [[I[] in which R3 is hydrogen) ).
式[A]の化合物におけるR1およびR2で示されるヒ
ドロキシ保護基は当該分野で公知のいずれのヒドロキシ
保護基でもよく、例えば、R1およびR1が独立してい
る場合、各々、低級アルカノイル基(例えば、アセチル
、プロピニル、t〜ブチリル等)、低級アルカンスルホ
ニル基(例えば、メシル、エタンスルホニル、プロパン
スルホニル等)、アロイル基(例えば、ベンゾイル、ト
ルオイル等)、アル(低級)アルカノイル基(例えばフ
ェニルアセチル等)、アレンスルホニル基(例えば、ベ
ンゼンスルホニル、トシル等)等のアシル基、低級アル
キル基(例えば、メチル、エチル、プロピル、ヘキシル
等)、アル(低級)アルキル基(例えば、ベンジル等)
、シリル基(トリメチルシリル、t−ブチルジメチルシ
リル等)などのような保護基が挙げられ、また、R1お
よびR″は両者が一緒になって、アルキリデン基(例え
ば、イソプロピリデン、シクロへキシリデン等)、アル
(低級)アルキリデン基(例えば、ベンジリデン等)等
のヒドロキシ保護基を形成してもよい。The hydroxy protecting group represented by R1 and R2 in the compound of formula [A] may be any hydroxy protecting group known in the art, for example, when R1 and R1 are independent, each may be a lower alkanoyl group (e.g. acetyl, propynyl, t-butyryl, etc.), lower alkanesulfonyl groups (e.g., mesyl, ethanesulfonyl, propanesulfonyl, etc.), aroyl groups (e.g., benzoyl, toluoyl, etc.), al(lower) alkanoyl groups (e.g., phenylacetyl, etc.) , acyl groups such as allenesulfonyl groups (e.g., benzenesulfonyl, tosyl, etc.), lower alkyl groups (e.g., methyl, ethyl, propyl, hexyl, etc.), ar(lower) alkyl groups (e.g., benzyl, etc.)
, a silyl group (trimethylsilyl, t-butyldimethylsilyl, etc.), and R1 and R'' together represent an alkylidene group (e.g., isopropylidene, cyclohexylidene, etc.). , a hydroxy protecting group such as an al(lower) alkylidene group (eg, benzylidene, etc.) may be formed.
R3で示されるヒドロキシ保護基には、R1およびR2
が独立している場合と同様な保護基が挙げられる。The hydroxy protecting group represented by R3 includes R1 and R2
The same protecting groups as in the case where are independent are mentioned.
本発明の合成法は式[A]の化合物のヒドロキシ保護基
を脱離させることにより行なわれる。この脱保護は、生
成物の分解を生じさせないような条件下、実際に用いた
ヒドロキシ保護基の性状に応じて、自体公知の方法で行
なうことができる。The synthesis method of the present invention is carried out by removing the hydroxy protecting group of the compound of formula [A]. This deprotection can be carried out by a method known per se, depending on the nature of the hydroxy protecting group actually used, under conditions that do not cause decomposition of the product.
式[A]の化合物は、後記実施例に示すごとく、共通の
平面構造を有する原料物質から製造することができ、ま
た、これらの原料物質は公知の化合物から、例えば、後
記調製例に示すごとくして得られる。The compound of formula [A] can be produced from starting materials having a common planar structure, as shown in the Examples below, and these starting materials can be prepared from known compounds, for example, as shown in the Preparation Examples below. It can be obtained by
つぎに、調製例および実施例を挙げて本発明をさらに詳
しく説明する。Next, the present invention will be explained in more detail with reference to Preparation Examples and Examples.
調製例1
(i)窒素雰囲気下、水素化リチウムアルミニウム(3
,44SF)を無水テトラヒドロフラン(100a+Q
)1.:加え、水冷し、2,3:5.e−ジー0−イソ
プロピリデン−Dマンノースオキシム[ヘルベチ力・シ
ミ力・アクタ(Helv、 Chim、 A cta、
) 60 。Preparation Example 1 (i) Lithium aluminum hydride (3
, 44SF) in anhydrous tetrahydrofuran (100a+Q
)1. : Add, cool with water, 2,3:5. e-G0-isopropylidene-D mannose oxime [Helv, Chim, Acta,
) 60.
1273(1977)](10,0g)の無水テトラヒ
ドロフラン(603!12)溶液を滴下する。混合液を
水冷下30分間、次いで、室温で4時間攪拌した後、再
び水冷する。水・テトラヒドロフラン(1:1)混液(
50綬)を注意深く加え、過剰の水素化リチウムアルミ
ニウムを分解し、不溶物を濾過する。1273 (1977)] (10.0 g) in anhydrous tetrahydrofuran (603!12) is added dropwise. The mixture is stirred under water cooling for 30 minutes, then at room temperature for 4 hours, and then water cooled again. Water/tetrahydrofuran (1:1) mixture (
50) was carefully added to decompose the excess lithium aluminum hydride, and the insoluble matter was filtered.
1液を減圧下で濃縮し、残渣をクロロホルム−メタノー
ル(2:l)混液(300x&)に溶解する。溶液を飽
和食塩水で洗浄後、硫酸マグネシウムで乾燥し、溶媒を
減圧留去して1−アミノ−1−デオキシ−2,3:5,
6−ジー0−イソプロピリデン−D−マンニトール(9
,459)の無色シロップを得る。Concentrate the 1 solution under reduced pressure and dissolve the residue in a chloroform-methanol (2:l) mixture (300x&). The solution was washed with saturated brine, dried over magnesium sulfate, and the solvent was distilled off under reduced pressure to give 1-amino-1-deoxy-2,3:5,
6-di-0-isopropylidene-D-mannitol (9
, 459) is obtained.
IR(液膜):3370,3300,2990,293
0.1370,1250,1210,1 155.夏0
65.850cm−’
NHR(CDC12s、δ):1.43(9H,I)、
1.52(3H,s)、、3.0〜3.3(2H,I)
、3.4〜3.7(2H,i)、3.84(3H,x)
、4.09(2H,峠、4゜44 (2H,3F)
(ii)1−アミノ−1−デオキシ−2,3:5.6−
ジー0−イソプロピリデン−D−マンニトール(9,4
59)およびトリエチルアミン(5,1Ox12)のジ
クロルメタン(120ff(2)溶液を5℃に冷却し、
無水トリフルオロ酢酸(5,13*ff)を滴下する。IR (liquid film): 3370, 3300, 2990, 293
0.1370,1250,1210,1 155. summer 0
65.850 cm-' NHR (CDC12s, δ): 1.43 (9H, I),
1.52 (3H, s), 3.0-3.3 (2H, I)
, 3.4-3.7 (2H, i), 3.84 (3H, x)
, 4.09 (2H, Toge, 4°44 (2H, 3F) (ii) 1-amino-1-deoxy-2,3:5.6-
Di-0-isopropylidene-D-mannitol (9,4
59) and triethylamine (5,1Ox12) in dichloromethane (120ff(2)) was cooled to 5°C,
Trifluoroacetic anhydride (5,13*ff) is added dropwise.
反応液を同温度で30分間攪拌した後、希塩酸水、飽和
炭酸水素ナトリウム水溶液、飽和食塩水で順次洗浄し、
硫酸マグネシウムで乾燥する。溶媒を減圧留去し、l−
デオキシ−2,3:5,6−ジーO−イソプロピリデン
−1−トリフルオロアセチルアミノ−D−マンニトール
(12,31i+)の微黄色シロップを得る。After stirring the reaction solution at the same temperature for 30 minutes, it was washed sequentially with diluted hydrochloric acid, saturated aqueous sodium bicarbonate, and saturated brine.
Dry with magnesium sulfate. The solvent was distilled off under reduced pressure, and l-
A slightly yellow syrup of deoxy-2,3:5,6-di-O-isopropylidene-1-trifluoroacetylamino-D-mannitol (12,31i+) is obtained.
IR(液膜):3330,3300,1720,155
5.1375,1210,1160,1070cm−’
N M R(CD CQ 9.δ):1.37(6H,
s)、1.41 (3H,s)、 1.49(3H,s
)、2.43(I H,d、J=8Hz)、3.3〜3
.7(2H,i)、3.8〜4.2(4H,II)、4
.42(2H,x)、7.14(I H,肩)(iii
)1−デオキシ−2,3:5,6−ジ−0〜イソプロピ
リデン−1−)リフルオロアセチルアミノ−D−マンニ
トール(11,89)のピリジン(100iI2)溶液
を5℃に冷却し、塩化メタンスルホニル(s、t2xe
)を加える。反応液を一夜冷蔵庫に放置した後、溶媒を
減圧留去する。残渣をクロロホルム(300ff12)
に溶解し、水、飽和炭酸水素ナトリウム水溶液、飽和食
塩水で順次洗浄する。IR (liquid film): 3330, 3300, 1720, 155
5.1375, 1210, 1160, 1070cm-'
NMR (CD CQ 9.δ): 1.37 (6H,
s), 1.41 (3H, s), 1.49 (3H, s
), 2.43 (I H, d, J = 8 Hz), 3.3-3
.. 7 (2H, i), 3.8-4.2 (4H, II), 4
.. 42 (2H, x), 7.14 (I H, shoulder) (iii
) 1-deoxy-2,3:5,6-di-0-isopropylidene-1-)lifluoroacetylamino-D-mannitol (11,89) in pyridine (100iI2) was cooled to 5°C and chlorinated. Methanesulfonyl (s, t2xe
) is added. After the reaction solution was left in the refrigerator overnight, the solvent was distilled off under reduced pressure. The residue was chloroformed (300ff12)
Dissolve in solution and wash sequentially with water, saturated aqueous sodium bicarbonate solution, and saturated saline.
硫酸マグネシウムで乾燥後、溶媒を減圧留去し、残渣を
シリカゲル(2509)カラムクロマトグラフィーに付
す。カラムをn−ヘキサン−エーテル(2:l)で溶出
する。目的化合物を含む分画を合し、溶媒を減圧留去し
、1−デオキシ−2,3:5,6−ジー0−イソプロピ
リデン−4−0−メタンスルホニル−1−トリフルオロ
アセチルアミノ−D−マンニトール区9.33g)の微
黄色結晶を得る。After drying over magnesium sulfate, the solvent was distilled off under reduced pressure, and the residue was subjected to silica gel (2509) column chromatography. Elute the column with n-hexane-ether (2:l). Fractions containing the target compound were combined, the solvent was distilled off under reduced pressure, and 1-deoxy-2,3:5,6-di-0-isopropylidene-4-0-methanesulfonyl-1-trifluoroacetylamino-D - Obtain pale yellow crystals of mannitol (9.33 g).
融点:108〜110’C
IR(ヌジョール):3230,3110,1700.
1360,1205.It80.l160cz−’NM
R(CDC121,δ)+1.43(6H,s)、1.
51(6H,s)、3.14(3H,s)、3.9〜4
.5(7H,m)。Melting point: 108-110'C IR (Nujol): 3230, 3110, 1700.
1360, 1205. It80. l160cz-'NM
R (CDC121, δ) + 1.43 (6H, s), 1.
51 (6H, s), 3.14 (3H, s), 3.9-4
.. 5 (7H, m).
4.66(I H,i)、6.70(I H,1)(i
v月−デオキシ−2,3:5,6−ジー0−イソプロピ
リデン−4−0−メタンスルホニル−1−トリフルオロ
アセチルアミノ−〇−マンニトール(9,20g)とp
−トルエンスルホン酸−水和物(40011?)のメタ
ノール(92JIe)−水(10xQ’)溶液を室温で
3日間攪拌する。反応液に炭酸水素ナトリウム(177
i9)を加え、溶媒を減圧留去する。4.66 (I H, i), 6.70 (I H, 1) (i
v-deoxy-2,3:5,6-di-0-isopropylidene-4-0-methanesulfonyl-1-trifluoroacetylamino-〇-mannitol (9,20 g) and p
A solution of -toluenesulfonic acid-hydrate (40011?) in methanol (92JIe)-water (10xQ') is stirred at room temperature for 3 days. Sodium hydrogen carbonate (177
i9) is added and the solvent is distilled off under reduced pressure.
残渣をメタノール(150x(J)に溶解し、アンバー
ライト(AIllberlite) I RA 400
(OH−型603!12)で30分間処理する。樹脂
を炉別後、r液を減圧濃縮する。残渣をシリカゲル(1
50g)カラムクロマトグラフィーに付し、クロロホル
ム−メタノール(50:1〜20:1)で溶出する。目
的化合物を含む分画を合し、溶媒を減圧留去し、[(2
R。The residue was dissolved in methanol (150x (J)) and mixed with AIllberlite I RA 400
(OH-type 603!12) for 30 minutes. After the resin is separated from the furnace, the r liquid is concentrated under reduced pressure. The residue was soaked in silica gel (1
50 g) Column chromatography and elution with chloroform-methanol (50:1-20:1). The fractions containing the target compound were combined, the solvent was distilled off under reduced pressure, and [(2
R.
3S)−3−[(4R,5R)−2,2−ジメチル−5
−[(トリフルオロアセチルアミノ)メチル]−4−ジ
オキソラニル]−2−オキシラニルコメタノール(t、
66g)の無色油状物を得る。3S)-3-[(4R,5R)-2,2-dimethyl-5
-[(trifluoroacetylamino)methyl]-4-dioxolanyl]-2-oxiranylcomethanol (t,
66 g) of a colorless oil are obtained.
IR(液膜):3320,2990,2940.17+
5.1560.+380.1215.1160,107
5.865cm−’
NMR(CDC123,δ):1.38(3H,s)、
1.51(3H,s)、2.07(I H,i)、3.
0〜3.2(2H。IR (liquid film): 3320, 2990, 2940.17+
5.1560. +380.1215.1160,107
5.865 cm-' NMR (CDC123, δ): 1.38 (3H, s),
1.51 (3H, s), 2.07 (I H, i), 3.
0-3.2 (2H.
x)、3.6〜4.0<5H,肩)、4.36(I H
,d、d、J=6Hz、11Hz)、7.00(IH,
z)調製例2
(i)1.2:4,5−ジー0−イソプロピリデン−D
−マンニトール[コーント・ラーンジ・アブドマダール
・ド・シアーンス・ド・う・アカデミイ・ド・シャーン
ス・セリ・セ(C,R,Acad。x), 3.6-4.0<5H, shoulder), 4.36 (I H
, d, d, J=6Hz, 11Hz), 7.00 (IH,
z) Preparation Example 2 (i) 1.2:4,5-di-0-isopropylidene-D
- Mannitol [C, R, Acad.
Sci、Ser、C)277.787(1973)](
35゜19)のピリジン(600jle)溶液を−15
℃に冷却し、塩化ベンゾイル(20,79)を滴下する
。反応温度を徐々に室温に戻し、3時間攪拌し、反応液
を減圧濃縮する。残渣をクロロホルム(112)に溶解
し、希塩酸水、飽和炭酸水素ナトリウム水溶液、飽和食
塩水で順次洗浄する。溶液を硫酸マグネシウムで乾燥後
、溶媒を減圧濃縮する。残渣をシリカゲル(500g)
カラムクロマトグラフィーに付し、n−ヘキサン−酢酸
エチル(5:l)混液を溶出する。目的化合物を含む分
画を合し、溶媒を減圧留去して6−0−ベンゾイル−1
,2:4,5−ジー0−イソプロピリデン−D−マンニ
トール(25、69)の白色結晶を得る。Sci, Ser, C) 277.787 (1973)] (
35°19) in pyridine (600jle) at -15
Cool to °C and add benzoyl chloride (20,79) dropwise. The reaction temperature was gradually returned to room temperature, stirred for 3 hours, and the reaction solution was concentrated under reduced pressure. The residue was dissolved in chloroform (112) and washed successively with diluted hydrochloric acid, saturated aqueous sodium bicarbonate, and saturated brine. After drying the solution over magnesium sulfate, the solvent is concentrated under reduced pressure. Pour the residue into silica gel (500g)
The mixture is subjected to column chromatography and eluted with a mixture of n-hexane and ethyl acetate (5:l). The fractions containing the target compound were combined and the solvent was distilled off under reduced pressure to obtain 6-0-benzoyl-1.
, 2: White crystals of 4,5-di-0-isopropylidene-D-mannitol (25, 69) are obtained.
融点:、108〜109℃
IR(ヌジョール):3350,1685,1285.
1260,1210,1125,1065,1045.
720cx−’
N M R(CD CQsδ):l、37(3H,s)
、1.42(6H,s)、1.54(3H,s)、2.
30(IH,d、J=8Hz)、3.70(IH,i)
、4.05(3H,x)、4.60(4H,II)、7
.3〜7.7(3H,x)、8.0〜8.2(2H,1
)
(ii)6−0−ベンゾイル−1,2:4,5−ジー0
−イソプロピリデン−D−マンニトール(25゜579
)、t−ブチルジメチルクロロシラン(21゜03g)
、イミダゾール(I9.oIg)のジメチルホルムアミ
ド(320iQ)溶液を80’Cで2Q時間攪拌する。Melting point: 108-109°C IR (Nujol): 3350, 1685, 1285.
1260, 1210, 1125, 1065, 1045.
720cx-' NMR (CD CQsδ): l, 37 (3H, s)
, 1.42 (6H, s), 1.54 (3H, s), 2.
30 (IH, d, J=8Hz), 3.70 (IH, i)
, 4.05 (3H, x), 4.60 (4H, II), 7
.. 3-7.7 (3H, x), 8.0-8.2 (2H, 1
) (ii) 6-0-benzoyl-1,2:4,5-di0
-isopropylidene-D-mannitol (25°579
), t-butyldimethylchlorosilane (21°03g)
, a solution of imidazole (I9.oIg) in dimethylformamide (320iQ) is stirred at 80'C for 2Q hours.
反応液に酢酸エチル(112)を加え、水、飽和食塩水
で洗浄後、硫酸マグネシウムで乾燥し、溶媒を減圧留去
する。残渣をシリカゲル(500471)カラムクロマ
トグラフィーに付し、n−ヘキサン−酢酸エチル(5:
1)混液で溶出する。目的化合物を含む分画を合し、溶
媒を減圧留去して、6−〇−ベンゾイルー3−0−t−
ブチルジメチルシリル−1,2:4,5−ジーO−イソ
プロピリデンーD−マンニトール(36,89)の無色
油状物を得る。Ethyl acetate (112) was added to the reaction mixture, washed with water and saturated brine, dried over magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was subjected to silica gel (500471) column chromatography, and n-hexane-ethyl acetate (5:
1) Elute with a mixed solution. The fractions containing the target compound were combined, the solvent was distilled off under reduced pressure, and 6-0-benzoyl-3-0-t-
A colorless oil of butyldimethylsilyl-1,2:4,5-di-O-isopropylidene-D-mannitol (36,89) is obtained.
IR(液膜):2930,1720,1370,127
0.1250,1100,1065,835,710c
m−’
NMR(CDCl2.δ):0,10(3H,S)、0
.13(3H,s)、0.89(9H,s)、1.33
(3H,s)。IR (liquid film): 2930, 1720, 1370, 127
0.1250, 1100, 1065, 835, 710c
m-' NMR (CDCl2.δ): 0,10(3H,S), 0
.. 13 (3H, s), 0.89 (9H, s), 1.33
(3H, s).
1.37(3H,s)、1.41(3H,s)、1.5
4(3H。1.37 (3H, s), 1.41 (3H, s), 1.5
4 (3H.
s)、3.’J−4,3(5H,x)、4.49(3H
,i)、7゜4〜7.6(3H,り、8.17(2H,
Jり(iii)6−0−ベンゾイル−3−0−t−ブチ
ルジメチルシリル−
ロビリデンー〇−マンニトール(7,709)をメタノ
ール(3001N)とIN水酸化ナトリウム水溶液(7
01tQ)に溶解し、溶液を室温で1時間攪拌する。s), 3. 'J-4,3(5H,x),4.49(3H
, i), 7°4~7.6 (3H, ri, 8.17 (2H,
J (iii) 6-0-benzoyl-3-0-t-butyldimethylsilyl-ropylidene-0-mannitol (7,709) was mixed with methanol (3001N) and IN sodium hydroxide aqueous solution (7,709).
01tQ) and stir the solution for 1 hour at room temperature.
メタノールを減圧下留去後、水溶液を酢酸エチル(30
0xQ)で抽出し、抽出液を水、飽和食塩水で洗浄する
。硫酸マグネシウムで乾燥後溶媒を減圧留去して3−0
−t−ブチルジメチルシリル−1゜2:4,5−ジー0
−イソプロピリデン−D−マンニトール(5,989)
の無色油状物を得る。After distilling off methanol under reduced pressure, the aqueous solution was diluted with ethyl acetate (30
0xQ) and wash the extract with water and saturated saline. After drying with magnesium sulfate, the solvent was distilled off under reduced pressure to obtain 3-0
-t-butyldimethylsilyl-1゜2:4,5-di0
-isopropylidene-D-mannitol (5,989)
A colorless oil is obtained.
IR(液膜):3450,2930,1370.124
5.1215,1150,835cx−’N M R(
CD CQ 3.δ):0.I 0(6H,s)、0.
86(9H,s)、1.33(3H,s)、1.35(
3H,s)。IR (liquid film): 3450, 2930, 1370.124
5.1215,1150,835cx-'NMR(
CD CQ 3. δ): 0. I 0 (6H, s), 0.
86 (9H, s), 1.33 (3H, s), 1.35 (
3H,s).
1.40(3H,s)、1.47(3H,s)、3.5
〜4.3(8H,z)
(iv)3−0−t−ブチルジメチルシリル−1,2:
4.5−ジー0−イソプロピリデン−D−マンニトール
(5,709)をベンゼンC30xQ)、ジメチルスル
ホキシド(30j112)の混液に溶解し、ピリジン(
1,33g)、 )リフルオロ酢酸(0,669)、ジ
シクロへキシルカルボジイミド(10,49)を順次加
える。反応液を室温で3時間攪拌した後、酢酸エチル(
40xi2)、飽和食塩水(40iC)を加え、不溶物
をデ刑する。?液を酢酸エチル(200mC)で抽出後
、抽出液を飽和炭酸水素ナトリウム、水、飽和食塩水で
順次洗浄し、硫酸マグネシウムで乾燥する。溶媒を減圧
留去後、残渣をシリカゲル(200g)カラムクロマト
グラフィーに付しn−ヘキサン−酢酸エチル(t O:
l)混液で溶出する。目的化合物を含む分画を合し、溶
媒を減圧留去して、4−0−t−ブチルジメチルシリル
−2,3:5,6−ジー0−イソプロピリデン−D−マ
ンノース(5,169)の無色油状物を得る。1.40 (3H, s), 1.47 (3H, s), 3.5
~4.3(8H,z) (iv) 3-0-t-butyldimethylsilyl-1,2:
4. Dissolve 5-di-0-isopropylidene-D-mannitol (5,709) in a mixture of benzene C30xQ) and dimethyl sulfoxide (30j112), and dissolve pyridine (
1,33g), )lifluoroacetic acid (0,669), and dicyclohexylcarbodiimide (10,49) are added sequentially. After stirring the reaction solution at room temperature for 3 hours, ethyl acetate (
40xi2) and saturated saline (40iC) to remove insoluble matter. ? After extracting the liquid with ethyl acetate (200 mC), the extract is washed successively with saturated sodium hydrogen carbonate, water, and saturated brine, and dried over magnesium sulfate. After evaporating the solvent under reduced pressure, the residue was subjected to column chromatography on silica gel (200 g) and purified with n-hexane-ethyl acetate (tO:
l) Elute with a mixture. The fractions containing the target compound were combined and the solvent was distilled off under reduced pressure to obtain 4-0-t-butyldimethylsilyl-2,3:5,6-di-0-isopropylidene-D-mannose (5,169). A colorless oil is obtained.
IR(液膜):2940,1725,1370,125
0、[215,1150cm−’
[(!]i)’:+ 53 、9°(C=l、CHCf
fs)(v)4−0−t−ブチルジメチルシリル−2,
3=5.6−ジー0−イソプロピリデン−D−マンノー
ス(5,10g)をメタノール(1003112)に溶
解し、炭酸カリウム(5,66g)を加え、室温で1時
間攪拌する。不溶物を炉別後、炉液を酢酸エチルで薄め
、水、飽和食塩水で洗浄し、硫酸マグネシウムで乾燥す
る。溶媒を減圧留去して、4−0−t−ブチルジメチル
シリル−2,3:5,6−ジー〇−イソプロピリデン−
D−グルコース(4,049)の微黄色油状物を得る。IR (liquid film): 2940, 1725, 1370, 125
0, [215,1150cm-'[(!]i)': + 53, 9° (C=l, CHCf
fs) (v) 4-0-t-butyldimethylsilyl-2,
3=5.6-di-0-isopropylidene-D-mannose (5.10 g) is dissolved in methanol (1003112), potassium carbonate (5.66 g) is added, and the mixture is stirred at room temperature for 1 hour. After removing insoluble matter in a furnace, the furnace solution is diluted with ethyl acetate, washed with water and saturated brine, and dried over magnesium sulfate. The solvent was distilled off under reduced pressure to give 4-0-t-butyldimethylsilyl-2,3:5,6-di-isopropylidene-
A pale yellow oil of D-glucose (4,049) is obtained.
IR(液膜):2930,1725,1370,125
0.1210,1150,106106O’N M R
(CD CQ 3 、δ):0.13(6H,s)、0
.91(9H,s)、1.33(3H,s)、f、3
7(3H,s)。IR (liquid film): 2930, 1725, 1370, 125
0.1210,1150,106106O'N M R
(CD CQ 3 , δ): 0.13 (6H, s), 0
.. 91 (9H, s), 1.33 (3H, s), f, 3
7 (3H, s).
1.41(3H,s)、1.53(3H,s)、3.8
〜4.3(6H,x)、9.90(IH,s)
[(! ][)’ :+ 12 、3°(C=0.51
.CHCN、)(vi)4−0−t−ブチルジメチルシ
リル−2,3:5.6−ジー0−イソプロピリデンニ0
−グルコース(19,19)、炭酸水素ナトリウム(1
5,889)、ヒドロキシルアミン塩酸塩(15,88
9)をエタノール(135酎)、水(135村)の混液
に溶解し、60〜65℃で1.5時間攪拌する。反応液
を放冷後、酢酸エチル(700ff12)で抽出し、抽
出液を水、飽和食塩水で洗浄し、硫酸マグネシウムで乾
燥する。溶媒を減圧留去して4−0−t−ブチルジメチ
ルシリル−2,375,6−ジー0−イソプロピリデン
−D−グルコースオキシム(19゜79)の微黄色油状
物を得る。1.41 (3H, s), 1.53 (3H, s), 3.8
~4.3 (6H, x), 9.90 (IH, s) [(! ] [)': + 12, 3° (C = 0.51
.. CHCN, ) (vi) 4-0-t-butyldimethylsilyl-2,3:5.6-di0-isopropylidene 0
- glucose (19,19), sodium bicarbonate (1
5,889), hydroxylamine hydrochloride (15,88
9) was dissolved in a mixture of ethanol (135 shochu) and water (135 mura) and stirred at 60 to 65°C for 1.5 hours. After cooling the reaction solution, it is extracted with ethyl acetate (700ff12), and the extract is washed with water and saturated brine, and dried over magnesium sulfate. The solvent was distilled off under reduced pressure to obtain 4-0-t-butyldimethylsilyl-2,375,6-di-0-isopropylidene-D-glucose oxime (19°79) as a pale yellow oil.
IR(液膜):3360,3260,1450,137
0.1250,1205.1155,1140,890
cyt″″1
(vii)無水テトラヒドロフラン(20j!12)に
水素化リチウムアルミニウム(630xf)を加え、水
冷下4−0−L−ブチルジメチルシリル−2,3:5,
6−ジー0−イソプロピリデン−D−グルコースオキシ
ム(2,599)のテトラヒドロフラン(12ff12
)溶液を滴下し、室温で4時間攪拌した後、再び水冷す
る。反応液に水−テトラヒドロフラン(1:l)混液(
5j112)、次イテ水(51ff)を加エタ後、カル
ホベンゾキシクロライド(2,07112)を加え、水
冷下1時間攪拌する。反応液にクロロホルム(301ρ
)を加え、不溶物を炉別後、炉液をクロロホルム(60
j112)で抽出する。抽出液を水、飽和食塩水で洗浄
後、硫酸マグネシウムで乾燥する。溶媒を減圧留去後、
残渣をシリカゲル(50g)カラムクロマトグラフィー
に付し、n−ヘキサン−酢酸エチル(10:l)混液で
溶出する。目的化合物を含む分画を合し、溶媒を減圧留
去して4−0−t−ブチルジメチルシリル−1−力ルボ
ベンゾキシアミノ−■−デオキシー2,3:5,6−ジ
ー0−イソプロピリデン−D−グリシドール(2,63
9)の微黄色油状物を得る。IR (liquid film): 3360, 3260, 1450, 137
0.1250, 1205.1155, 1140, 890
cyt″″1 (vii) Lithium aluminum hydride (630xf) was added to anhydrous tetrahydrofuran (20j!12), and under water cooling, 4-0-L-butyldimethylsilyl-2,3:5,
6-di-0-isopropylidene-D-glucose oxime (2,599) in tetrahydrofuran (12ff12
) The solution was added dropwise, stirred at room temperature for 4 hours, and then cooled with water again. A water-tetrahydrofuran (1:l) mixture (
After adding 5j112) and evaporating water (51ff), calphobenzoxychloride (2,07112) was added, and the mixture was stirred for 1 hour under water cooling. Add chloroform (301ρ) to the reaction solution.
), and after separating the insoluble matter in the furnace, the furnace liquid was diluted with chloroform (60
j112). The extract is washed with water and saturated saline, and then dried over magnesium sulfate. After removing the solvent under reduced pressure,
The residue was subjected to column chromatography on silica gel (50 g) and eluted with a mixture of n-hexane and ethyl acetate (10:l). The fractions containing the target compound were combined and the solvent was distilled off under reduced pressure to give 4-0-t-butyldimethylsilyl-1-benzoxyamino-■-deoxy-2,3:5,6-di-0-isopropylene. Lyden-D-glycidol (2,63
9) A slightly yellow oily substance was obtained.
IR(液膜):3320,2920,1710,136
5.1245,1150,1090.1065cm−’
NMR(CDCQs、δ):0.07(3H,s)、0
.12(3H,s)、0.88(9H,s)、1.34
(3H,s)。IR (liquid film): 3320, 2920, 1710, 136
5.1245,1150,1090.1065cm-'
NMR (CDCQs, δ): 0.07 (3H, s), 0
.. 12 (3H, s), 0.88 (9H, s), 1.34
(3H, s).
1.35(6H,s)、1.40(3B、s)、3.4
8(2H。1.35 (6H, s), 1.40 (3B, s), 3.4
8 (2H.
屓)3.7〜3.9(3H,i)4.0〜4.3(3H
,貢)。屓) 3.7-3.9 (3H, i) 4.0-4.3 (3H
, Tribute).
4.70(lH,s)、5.12(2H,s)、7.3
5(5H。4.70 (lH, s), 5.12 (2H, s), 7.3
5 (5H.
(vi)4−0−t−ブチルジメチルシリル−1−力ル
ボベンゾキシアミノ−1−デオキシ−2,3:5.6−
ジー0−イソプロピリデン−D−グリシドール(9,9
09)、p−)ルエンスルホン酸−永和物(369mg
)を、メタノール(991のと水(113112)の混
液に溶解し5℃で6日間攪拌する。反応液をアンバーラ
イト(Amberlite) I RA 400(OH
−型)で中和し、樹脂をI別する。炉液を減圧濃縮した
後、残渣をシリカゲル(250y)カラムクロマトグラ
フィーに付し、クロロホルム−メタノール(50:1〜
20:1)で溶出する。目的化合物を含む分画を合し、
溶媒を減圧留去して、1−カルボベンゾキシアミノ−1
−デオキシ−2゜3−〇−イソプロピリデンーD−グリ
シドール(1,06y)の無色油状物を得る。(vi) 4-0-t-butyldimethylsilyl-1-benzoxyamino-1-deoxy-2,3:5.6-
Di-0-isopropylidene-D-glycidol (9,9
09), p-) Luenesulfonic acid permanent product (369 mg
) was dissolved in a mixture of methanol (991) and water (113112) and stirred at 5°C for 6 days.The reaction solution was dissolved in Amberlite I RA 400 (OH
- type) and separate the resin. After concentrating the furnace solution under reduced pressure, the residue was subjected to silica gel (250y) column chromatography and chloroform-methanol (50:1~
20:1). Combine the fractions containing the target compound,
The solvent was distilled off under reduced pressure to give 1-carbobenzoxyamino-1
-Deoxy-2°3-〇-isopropylidene-D-glycidol (1,06y) is obtained as a colorless oil.
NMR(CDCQ3.δ):1.40(6H,s)、3
.47(3H,i+)、3.78(3H,i)、3.9
〜4.3(2H。NMR (CDCQ3.δ): 1.40 (6H, s), 3
.. 47 (3H, i+), 3.78 (3H, i), 3.9
~4.3 (2H.
i+)、5.13(2H,s)、5.37(l H,x
)、7.38(5H,5)
(ix)1−カルボベンゾキシアミノ−1−デオキシ−
2,3−0−イソプロピリデン−D−グリシドール(6
,799)を、ピリジン(100*Q)に溶解し、−5
℃で塩化メタンスルホニル(2,209)を加え、−夜
冷蔵庫に放置する。反応液にクロロホルム(50031
12)を加え、飽和炭酸水素ナトリウム水溶液、水、飽
和食塩水で順次洗浄し、硫酸マグネシウムで乾燥する。i+), 5.13(2H,s), 5.37(l H,x
), 7.38(5H,5) (ix) 1-carbobenzoxyamino-1-deoxy-
2,3-0-isopropylidene-D-glycidol (6
,799) in pyridine (100*Q) and -5
Add methanesulfonyl chloride (2,209) at <0>C and leave in the refrigerator overnight. Add chloroform (50031
12) is added, washed successively with saturated aqueous sodium hydrogen carbonate solution, water, and saturated brine, and dried over magnesium sulfate.
溶媒を減圧留去後残渣をシリカゲル(300g)カラム
クロマトグラフィーに付し、クロロホルム−メタノール
(50:1)混液で溶出する。目的化合物を含む分画を
合し、溶媒を減圧留去して!−力ルボベンゾキシアミノ
ーl−デオキシ−2,3−0−イソプロピリデン−6−
0−メタンスルホニル−D−グリシドール(5,42g
)の無色油状物を得る。After evaporating the solvent under reduced pressure, the residue was subjected to column chromatography on silica gel (300 g) and eluted with a chloroform-methanol (50:1) mixture. Combine the fractions containing the target compound and evaporate the solvent under reduced pressure! -rubobenzoxyamino-l-deoxy-2,3-0-isopropylidene-6-
0-methanesulfonyl-D-glycidol (5,42g
) is obtained as a colorless oil.
N M R(CD CQs、δ):1.40(6)(、
s)、2.72(2H,ブロードs)、3.06(3H
,s)、3.49(3H,x)、3.87(IH,at
)、4.07(2H,x)、4.46(2H,31)、
5.10(2H,S)、5.24(l H,I)。NMR (CD CQs, δ): 1.40 (6) (,
s), 2.72 (2H, broad s), 3.06 (3H
, s), 3.49 (3H, x), 3.87 (IH, at
), 4.07 (2H, x), 4.46 (2H, 31),
5.10 (2H,S), 5.24 (lH,I).
7.36(5H,5)
(x)!−カルボベンゾキシアミノーI−デオキシ−2
,3−0−イソプロピリデン−6−0−メタンスルホニ
ル−D−グリシドール(5,429>をメタノール(!
7011I2)ニ溶解し、0.518Nナトリウムメチ
ラート−メタノール溶液(33,7xff)を加え、室
温で40時間攪拌する。反応液にクロロホルム(700
ffiQ)を加え、飽和食塩水で洗浄後、硫酸マグネシ
ウムで乾燥する。溶媒を減圧留去後、残渣をシリカゲル
(1509)カラムクロマトグラフィーに付し、n−ヘ
キサン−酢酸エチル(2:t)混液で溶出する。目的化
合物を含む分画を合し、溶媒を減圧留去して[(28,
3R)−3−[(4R。7.36 (5H, 5) (x)! -carbobenzoxyamino-I-deoxy-2
, 3-0-isopropylidene-6-0-methanesulfonyl-D-glycidol (5,429>) in methanol (!
7011I2), add 0.518N sodium methylate-methanol solution (33.7xff), and stir at room temperature for 40 hours. Add chloroform (700
ffiQ), washed with saturated brine, and dried over magnesium sulfate. After evaporating the solvent under reduced pressure, the residue was subjected to column chromatography on silica gel (1509) and eluted with a mixture of n-hexane and ethyl acetate (2:t). The fractions containing the target compound were combined and the solvent was distilled off under reduced pressure to obtain [(28,
3R)-3-[(4R.
5S)−5−[(カルボベンゾキシアミノ)メチル]−
2.2−ジメチルー4−ジオキソラニル]−2−オキシ
ラニル]メタノール(2,529)の無色油状物を得る
。5S)-5-[(carbobenzoxyamino)methyl]-
2.2-Dimethyl-4-dioxolanyl]-2-oxiranyl]methanol (2,529) is obtained as a colorless oil.
IR(液膜):3340,1700,1530,137
0.1240.1085cm−寛
NMR(CD Cl23.δ):1.36(6H,s)
、1.97(IH,ブロードs)、3.20(2H,J
I)、3.50(2H,z)、3.6〜3.9(2H,
峠、4.07(2H,x)。IR (liquid film): 3340, 1700, 1530, 137
0.1240.1085cm-hiro NMR (CD Cl23.δ): 1.36 (6H, s)
, 1.97 (IH, Broads), 3.20 (2H, J
I), 3.50 (2H, z), 3.6-3.9 (2H,
Pass, 4.07 (2H, x).
5.14(2H,s)、5.20(I H,i)、7.
39(5H。5.14 (2H, s), 5.20 (I H, i), 7.
39 (5H.
i)
[αJI)。:+、7.58° (C= 0.5 6.
CHC123)調製例3
(i)水素化アルミニウムリチウム(13,789)の
無水テトラヒドロフラン(400*(J)懸濁液を窒素
雰囲気下、水浴中で攪拌し、この懸濁液に2゜3+5.
6−ジーO−イソプロピリデン−D−マンノースオキシ
ム(40,09)の無水テトラヒドロフラン(250j
!&)溶液を滴下する。i) [αJI). :+, 7.58° (C=0.5 6.
CHC123) Preparation Example 3 (i) A suspension of lithium aluminum hydride (13,789) in anhydrous tetrahydrofuran (400*(J)) was stirred in a water bath under a nitrogen atmosphere, and 2°3+5.
6-diO-isopropylidene-D-mannose oxime (40,09) in anhydrous tetrahydrofuran (250j
! &) Drop the solution.
この溶液を室温で3時間攪拌し、水浴中で冷却する。反
応液に水−テトラヒドロフラン(1:1)混液(100
3112)をゆっくりと加え、過剰の水素化アルミニウ
ムリチウムを分解する。得られた溶液に水(400xf
f)、カルボベンゾキシクロライド(4211Q)を加
え、混合液を水浴中で1時間攪拌する。The solution is stirred at room temperature for 3 hours and cooled in a water bath. A water-tetrahydrofuran (1:1) mixture (100
3112) is added slowly to decompose the excess lithium aluminum hydride. Add water (400xf) to the resulting solution.
f), carbobenzoxy chloride (4211Q) is added and the mixture is stirred in a water bath for 1 hour.
この混合液にクロロホルム(500RQ”)を加え、濾
過する。y液をクロロホルム(1,312)で抽出し、
有機相を水、飽和食塩水で順次洗浄する。溶液を硫酸マ
グネシウムで乾燥し、溶媒を減圧留去する。Add chloroform (500RQ") to this mixture and filter it. Extract the y solution with chloroform (1,312),
The organic phase is washed successively with water and saturated brine. The solution is dried over magnesium sulfate and the solvent is removed under reduced pressure.
油状残渣をシリカゲル(7509)カラムクロマトグラ
フィーに付し、メタノール−クロロホルム(1:1OO
)混液で溶出する。目的化合物を含む分画を合し、溶媒
を減圧留去し、1−カルボベンゾキシアミノ−1−デオ
キシ−2,3:5,6−ジー〇−イソプロピリデン−D
−マンニトール(51,28g、89.3%)の淡黄色
油状物を得る。The oily residue was subjected to silica gel (7509) column chromatography and methanol-chloroform (1:1OO
) Elute with a mixture. The fractions containing the target compound were combined, the solvent was distilled off under reduced pressure, and 1-carbobenzoxyamino-1-deoxy-2,3:5,6-di-isopropylidene-D
- Obtain mannitol (51.28 g, 89.3%) as a pale yellow oil.
IR(液膜):3420,1700,1520,137
0.1250.1210.1065cm−1N1065
cm−1N、δ):1.34(6H,s)、1.39(
3H,s)、 1.45(3H,s)、2.32(I
H,d、J=8Hz)、3.3〜3.7(2H,m)、
3.8〜4.2(2H,i)、4.33(2H,m)、
4.62(2H,i)、5.08(2H,s)、5.2
0(IH,m)、7.30(5H,5)(ii)1−カ
ルボベンゾキシアミノ−1−デオキシ−2,3:5,6
−ジーO−イソプロピリデン−D−マンニトール(15
,15g)、t−ブチルジメチルクロルシラン(14,
41)、イミダゾール(13,049)をジメチルホル
ムアミド(150iff)に溶解し、室温で2日間攪拌
する。反応液に酢酸エチル(600112)を加え、水
、飽和食塩水で洗浄し硫酸マグネシウムで乾燥する。溶
媒を減圧留去後、残渣をシリカゲル(300g)カラム
クロマトグラフィーに付し、n−ヘキサン−酢酸エチル
;(4: l )混液で溶出する。目的化合物を含む分
画を合し、溶媒を減圧留去して4−0−t−ブチルジメ
チルシリル−1−力ルボベンゾキシアミノーl−デオキ
シ−2,3:5,6−ジー0−イソプロピリデン−D−
マンニトール(17,359)の無色油状物を得る。IR (liquid film): 3420, 1700, 1520, 137
0.1250.1210.1065cm-1N1065
cm-1N, δ): 1.34 (6H, s), 1.39 (
3H,s), 1.45(3H,s), 2.32(I
H, d, J = 8Hz), 3.3 to 3.7 (2H, m),
3.8-4.2 (2H, i), 4.33 (2H, m),
4.62 (2H, i), 5.08 (2H, s), 5.2
0(IH,m), 7.30(5H,5)(ii) 1-carbobenzoxyamino-1-deoxy-2,3:5,6
-di-O-isopropylidene-D-mannitol (15
, 15g), t-butyldimethylchlorosilane (14,
41), imidazole (13,049) is dissolved in dimethylformamide (150 iff) and stirred at room temperature for 2 days. Ethyl acetate (600112) was added to the reaction solution, washed with water and saturated brine, and dried over magnesium sulfate. After evaporating the solvent under reduced pressure, the residue was subjected to column chromatography on silica gel (300 g) and eluted with a mixture of n-hexane and ethyl acetate (4:1). The fractions containing the target compound were combined and the solvent was distilled off under reduced pressure to give 4-0-t-butyldimethylsilyl-1-benzoxyamino-1-deoxy-2,3:5,6-di0- Isopropylidene-D-
A colorless oil of mannitol (17,359) is obtained.
NMRCCDCQ3.δ):O,I O(6H,s)、
0.91(9H,s)1.34(3H,s)、1.40
(3H,s)、3゜39(2H,x)、4.01(6H
4)5.11(2H,s)。NMRCCDCQ3. δ): O,I O(6H,s),
0.91 (9H, s) 1.34 (3H, s), 1.40
(3H,s), 3°39(2H,x), 4.01(6H
4) 5.11 (2H, s).
5.19(I H,i)、7.34(5H,幻(iii
)4−0−t−ジメチルシリル−1−力ルボベンゾキシ
アミノ−1−デオキシ−2,3:5.6−ジー0−イソ
プロピリデン−D−マンニトール(16,79)、p−
トルエンスルホン酸−水和物(622j!9)をアセト
ン(16711(2)、水(18,53!12)の混液
に溶解し、室温で30時間攪拌する。反応液をアンバー
ライト(Amberlite) I RA 400 (
OH″″型)で中和後、樹脂を炉別し、胛液を減圧濃縮
する。残渣をシリカゲル(3009)カラムクロマトグ
ラフィーに付し、クロロホルム−メタノール(100:
1〜50:1)混液で溶出する。目的化合物を含む分画
を合し、溶媒を減圧留去して4−0−1−ブチルジメチ
ルシリル−1−カルボベンゾキシアミノ−1−デオキシ
−2,3−0−イソプロピリデン−D−マンニトール(
2,259)の無色油状物を得る。5.19 (I H, i), 7.34 (5H, illusion (iii
)4-0-t-dimethylsilyl-1-rubobenzoxyamino-1-deoxy-2,3:5.6-di0-isopropylidene-D-mannitol (16,79), p-
Toluenesulfonic acid hydrate (622j!9) is dissolved in a mixture of acetone (16711(2) and water (18,53!12) and stirred at room temperature for 30 hours. The reaction solution is mixed with Amberlite I RA 400 (
After neutralization with OH'' type), the resin is separated in a furnace and the liquid is concentrated under reduced pressure. The residue was subjected to silica gel (3009) column chromatography and chloroform-methanol (100:
Elute with a mixture of 1 to 50:1). Fractions containing the target compound were combined and the solvent was distilled off under reduced pressure to obtain 4-0-1-butyldimethylsilyl-1-carbobenzoxyamino-1-deoxy-2,3-0-isopropylidene-D-mannitol. (
2,259) is obtained as a colorless oil.
N M R(CD CQ s、δ)+0.12(6H,
s)、0.91 (9H,s)1.33(3H,s)、
1.46(3H,s)、2 。N M R (CD CQ s, δ) + 0.12 (6H,
s), 0.91 (9H, s) 1.33 (3H, s),
1.46 (3H, s), 2.
9〜3.3(2H,a*)、3.5〜3.8(3H,x
)、3.9〜4.3(3H,l1l)、5.08(2H
,s)、5.27(IH。9-3.3 (2H, a*), 3.5-3.8 (3H, x
), 3.9-4.3 (3H, l1l), 5.08 (2H
, s), 5.27 (IH.
x)、7.36(5H,x)
実施例1
(i)ピリジン(4,77m12)のジクロルメタン(
130RQ)溶液に無水クロム酸(3,119)を液温
lO〜15℃の範囲で10分間で加え、室温で1時間攪
拌する。反応液を8〜lO℃に冷却下、調製例1で得ら
れた[(2R,3S)−3[(4R,5R)−2,2−
ジメチル−5−[()−リフルオロアセチルアミノ)メ
チルコー4−ジオキソラニル]−2−オキシラニル]メ
タノール(1,609)のジクロルメタン((JIff
)溶液を滴下する。混合物を8〜lO℃で30分間攪拌
した後、セライトをy過助剤として?遇する。炉液を約
30xQに墨線し、n−ヘキサンと酢酸エチル(1:2
)混液(100ay&)を加える。セライトをI過助剤
として胛過する。この操作を2度繰り返す。戸液を濃縮
し褐色シロップを得る。x), 7.36 (5H, x) Example 1 (i) Pyridine (4,77m12) in dichloromethane (
Chromic anhydride (3,119) is added to the 130RQ) solution over 10 minutes at a liquid temperature in the range of 10 to 15°C, and the mixture is stirred at room temperature for 1 hour. [(2R,3S)-3[(4R,5R)-2,2-
Dimethyl-5-[()-lifluoroacetylamino)methylco-4-dioxolanyl]-2-oxiranyl]methanol (1,609) in dichloromethane ((JIff
) Add the solution dropwise. After stirring the mixture for 30 minutes at 8-10°C, Celite was used as a super-aid. treat The furnace liquid was inked at about 30xQ, and n-hexane and ethyl acetate (1:2
) Add the mixture (100ay&). Celite is used as an auxiliary agent. Repeat this operation twice. Concentrate the liquid to obtain a brown syrup.
得られたシロップをテトラヒドロフラン(4011Q)
に溶解し、5℃に冷却下、(カルボエトキンメチレン)
トリフェニルホ東ホラン(1,869)を加え、同温度
で1時間攪拌する。反応液を減圧下に濃縮し、残渣をシ
リカゲル(40y)カラムクロマトグラフィーに付し、
n−ヘキサン−エーテル(I:l)混液で溶出する。目
的化合物を含む分画を合し、溶媒を減圧留去し、エチル
(EおよびZ)−3−[(2R,3S)−3−[(4R
,5R)−2,2−ジメチル−5−[()リフルオロア
セチルアミノ)メチル]−4−ジオキソラニル]−2−
オキシラニルコアクリレートの混合物(716*y)の
無色油状物を得る。この混合物はこれ以上分離すること
なく次の反応に用いる。The resulting syrup was diluted with tetrahydrofuran (4011Q).
Dissolved in and cooled to 5℃, (carboethquin methylene)
Add triphenylhohoran (1,869) and stir at the same temperature for 1 hour. The reaction solution was concentrated under reduced pressure, and the residue was subjected to silica gel (40y) column chromatography.
Elute with n-hexane-ether (I:l) mixture. The fractions containing the target compound were combined, the solvent was distilled off under reduced pressure, and ethyl (E and Z)-3-[(2R,3S)-3-[(4R
,5R)-2,2-dimethyl-5-[()lifluoroacetylamino)methyl]-4-dioxolanyl]-2-
A colorless oil of a mixture of oxiranyl coacrylates (716*y) is obtained. This mixture is used for the next reaction without further separation.
IR(液膜):3310.2970,1705,155
0.1370,1300,1205,1180.116
0 cm−’
NMR(CDCQs、δ):1.48(3H,t、J=
7Hz)、1.36(3H,s)、1.49(3H,s
)2.93(IHd、d、J=2Hz、7Hz)、3.
47(l Hd、d、J =2Hz、7Hz)、3.6
〜4.0°2H,i+)、4.2〜4゜7(2H,R)
4.23(2H,q、J=7H2)、5.7〜6、.9
(2H,JI)、6.87(lH,I)[α]o’ ニ
ー 58 、6°(C=0.22.CHCl23)(i
i)エチル(EおよびZ)−3−[(2R,3S)−3
−[(4R,5R)−2,2−ジメチル−5−[(トリ
プルオロアセチルアミノ)メチル]−4−ジオキソラニ
ル]−2−オキシラニルコアクリレートの混合物(20
0m9)ノエタ/ −ル(8xi2)溶液に水素化ホウ
素ナトリウム(16419)を加え、混合物を50℃に
て5時間攪拌する。反応液をクロロホルム(30祿)で
希釈した後、飽和食塩水で洗浄する。IR (liquid film): 3310.2970, 1705, 155
0.1370, 1300, 1205, 1180.116
0 cm-' NMR (CDCQs, δ): 1.48 (3H, t, J=
7Hz), 1.36 (3H, s), 1.49 (3H, s
) 2.93 (IHd, d, J=2Hz, 7Hz), 3.
47 (l Hd, d, J = 2Hz, 7Hz), 3.6
~4.0°2H, i+), 4.2~4°7(2H,R)
4.23 (2H, q, J=7H2), 5.7-6, . 9
(2H, JI), 6.87 (lH, I) [α]o' knee 58, 6° (C=0.22.CHCl23) (i
i) Ethyl (E and Z)-3-[(2R,3S)-3
-[(4R,5R)-2,2-dimethyl-5-[(tripleoacetylamino)methyl]-4-dioxolanyl]-2-oxiranyl coacrylate mixture (20
0m9) Sodium borohydride (16419) is added to the Noetal/-ol (8xi2) solution and the mixture is stirred at 50°C for 5 hours. The reaction solution was diluted with chloroform (30 yen) and then washed with saturated saline.
有機相を硫酸マグネシウムで乾燥後、溶媒を減圧留去す
る。残渣をシリカゲル(10g)カラムクロマトグラフ
ィーに付し、クロロホルム−メタノール(50:1〜2
0:l)で溶出する。第1の分画として、(IS、2R
,8R,8aR)−1,2−イソプロピリデンジオキシ
−8−ヒドロキシイントリジジン(34,1119)の
微黄色結晶を得る。After drying the organic phase over magnesium sulfate, the solvent is distilled off under reduced pressure. The residue was subjected to silica gel (10 g) column chromatography and chloroform-methanol (50:1-2
Elute at 0:l). As the first fraction, (IS, 2R
, 8R, 8aR)-1,2-isopropylidenedioxy-8-hydroxyintridizine (34,1119) is obtained as pale yellow crystals.
融点:104〜106℃
IR(ヌジョール):3200,1380,1255.
1205,1065cff−’
NM R(CD C(!+、δ):1.34(3H,s
)、1.52(3H,s)、1.4〜2.3(7H,x
)、3.00(IH。Melting point: 104-106°C IR (Nujol): 3200, 1380, 1255.
1205,1065cff-' NMR (CDC (!+, δ): 1.34 (3H, s
), 1.52 (3H, s), 1.4-2.3 (7H, x
), 3.00 (IH.
jt)、3.17(IH,d、d、J=I OHz、I
Hz)、3.89(IH,n)、4.70(214劃)
[α]ら’ニー73.3°(C=0.35.CH30H
)(iiiXIS、2R,8R,8aR) 1.2−
イソプロピリデンジオキシ−8−ヒドロキシイントリジ
ジン(80,0J19)をテトラヒドロフラン(5肩I
2)および6N−塩酸水(5酎)混液に溶解し、室温で
一夜攪拌する。溶媒を減圧留去し、残渣をアンバーライ
ト(Amberlite) I RA 400 (OH
−型5112)のカラムに付す。カラムを水(100j
112)で溶出し、溶媒を濃縮乾固する。残渣をエーテ
ルより結晶化させ、(I S、2R,8R,8aR)−
1,2,8−トリヒドロキシイントリジジン(48,7
3I9)の白色結晶を得る。jt), 3.17 (IH, d, d, J=I OHz, I
Hz), 3.89 (IH, n), 4.70 (214 chops)
[α] Ra'knee 73.3° (C=0.35.CH30H
) (iiiXIS, 2R, 8R, 8aR) 1.2-
Isopropylidenedioxy-8-hydroxyintrizidine (80,0J19) was dissolved in tetrahydrofuran (5-hydroxyl
2) and 6N-hydrochloric acid (5 liters) mixture, and stirred overnight at room temperature. The solvent was distilled off under reduced pressure and the residue was purified with Amberlite I RA 400 (OH
- type 5112) column. Fill the column with water (100j
112) and the solvent was concentrated to dryness. The residue was crystallized from ether to give (IS, 2R, 8R, 8aR)-
1,2,8-trihydroxyintrizidine (48,7
White crystals of 3I9) are obtained.
融点:141−142°C
IR(ヌジョール):3340,1340,1310.
1250,1140,1120,1065,1020c
i−’
N M R(D v O、δ):1.1〜2.3(6H
,i)、2゜57(lHd、d、J=7Hz、12Hz
)、2.93(2H。Melting point: 141-142°C IR (Nujol): 3340, 1340, 1310.
1250, 1140, 1120, 1065, 1020c
i-' N M R (D v O, δ): 1.1 to 2.3 (6H
, i), 2°57 (lHd, d, J = 7Hz, 12Hz
), 2.93 (2H.
x)、3.83(IHd、d、d、J=10Hz、10
Hz、5Hz)、4.33(2H,x)
[α]晶’ニー79.8°(C=0.55.CH30H
)実施例2
(i)ピリジン(5,443!12)のジクロルメタン
(100村)溶液を水冷攪拌下、無水クロム酸(2,8
89)を少量ずつ加えた後、室温で45分間攪拌する。x), 3.83 (IHd, d, d, J=10Hz, 10
Hz, 5Hz), 4.33 (2H, x) [α] crystal' knee 79.8° (C=0.55.CH30H
) Example 2 (i) A solution of pyridine (5,443!12) in dichloromethane (100 molecules) was mixed with chromic anhydride (2,8
After adding 89) little by little, the mixture was stirred at room temperature for 45 minutes.
反応液を水冷し、調製例2で得られた[(2S。The reaction solution was cooled with water to obtain [(2S.
3 R)−3−[(4R,55)−5−[(カルボベン
ゾキシアミノ)メチル]−2.2−ジメチルー4−ジオ
キソラニル]−2−オキシラニル]メタノール(l、5
09)のジクロルメタン(l Oatσ)溶液を滴下す
る。反応液を水冷下2時間40分攪拌した後、セライト
をy過助剤としてy遇する。?液を約2(1w(lに濃
縮し、n−ヘキサン−酢酸エチル(1:1)混液(10
03+12)を加え、セライトを濾過助剤として濾過す
る。溶液を約10x(lに濃縮し、トルエン(70m(
1)を加え、セライトを濾過助剤としてy遇する。炉液
を濃縮して褐色油状物を得る。3 R)-3-[(4R,55)-5-[(carbobenzoxyamino)methyl]-2,2-dimethyl-4-dioxolanyl]-2-oxiranyl]methanol (l, 5
09) in dichloromethane (l Oatσ) is added dropwise. After stirring the reaction solution for 2 hours and 40 minutes under water cooling, Celite was added as a super-aid. ? Concentrate the solution to about 2 (1 w (l), and add n-hexane-ethyl acetate (1:1) mixture (10
03+12) and filter through Celite as a filter aid. The solution was concentrated to approximately 10x (l) and diluted with toluene (70 m
Add 1) and use Celite as a filter aid. Concentrate the furnace liquor to obtain a brown oil.
得られた油状物を無水テトラヒドロフラン(20j11
2)に溶解し、窒素雰囲気下、−100℃に冷却したリ
チオ酢酸−t−ブチルエステルの無水テトラヒドロフラ
ン−n−ヘキサン(110xQ、30j112)溶液(
無水テトラヒドロフラン(110i(2)中、酢酸−1
−ブチルエステル(5,9x(2)に等モルのリチウム
ジイソプロピルアミドを作用させて得る)に滴下する。The obtained oil was dissolved in anhydrous tetrahydrofuran (20j11
A solution of lithioacetic acid-t-butyl ester in anhydrous tetrahydrofuran-n-hexane (110xQ, 30j112) dissolved in 2) and cooled to -100°C under a nitrogen atmosphere (
Acetic acid-1 in anhydrous tetrahydrofuran (110i(2)
-butyl ester (obtained by reacting 5,9x(2) with an equimolar amount of lithium diisopropylamide).
反応液を、−100℃で30分間攪拌した後、飽和塩化
アンモニウム水溶液(10011Q)を加える。反応液
を飽和塩化アンモニウム水溶液(150x12)と酢酸
エチル(200jf12)の混液に注ぎ、有機層を分取
する。水層を酢酸エチル(200、wQ)で抽出し有機
層を合する。水、飽和食塩水で順次洗浄後、硫酸マグネ
シウムで乾燥する。After stirring the reaction solution at -100°C for 30 minutes, a saturated ammonium chloride aqueous solution (10011Q) is added. The reaction solution was poured into a mixture of saturated ammonium chloride aqueous solution (150x12) and ethyl acetate (200jf12), and the organic layer was separated. The aqueous layer was extracted with ethyl acetate (200, wQ) and the organic layers were combined. After sequentially washing with water and saturated saline, drying with magnesium sulfate.
溶媒を減圧留去して得られる残渣をシリカゲル(309
)カラムクロマトグラフィーに付し、n−ヘキサン−酢
酸エチル(2:1)混液で溶出する。目的化合物を含む
分画を合し、溶媒を減圧留去して(3−Rおよび5)−
t−ブチル−[(2S、3R)−3−[(4R,5S)
−5−[(カルボベンゾキシアミノ)メチルツー2.2
−ジメチルー4−ジオキソラニル]−2−オキシラニル
]−3−ヒドロキシプロピオネート混合物(46919
)の微黄色油状物を得る。The residue obtained by distilling off the solvent under reduced pressure was purified by silica gel (309
) Column chromatography and elution with n-hexane-ethyl acetate (2:1) mixture. The fractions containing the target compound were combined and the solvent was distilled off under reduced pressure to obtain (3-R and 5)-
t-Butyl-[(2S,3R)-3-[(4R,5S)
-5-[(carbobenzoxyamino)methyl22.2
-dimethyl-4-dioxolanyl]-2-oxiranyl]-3-hydroxypropionate mixture (46919
) is obtained as a slightly yellow oil.
IR(液膜):3310.2990,1710,156
0.1365,1240,1215.1155cm−’
N M R(CD CQs、δ): 1.36 (6H
,s)、 1.44(9H,s)、2.49(2H,x
)、3.10(2H,x)。IR (liquid film): 3310.2990, 1710, 156
0.1365, 1240, 1215.1155cm-'
NMR (CD CQs, δ): 1.36 (6H
,s), 1.44(9H,s), 2.49(2H,x
), 3.10(2H,x).
3.4〜3.7(3H,I)、4.01(2H,x)、
5.11(2H,s)、5..16(IH,x)、7.
37(5H,5)(ii)(3−Rおよび5)−t−ブ
チル−3−[(2S、3R)−3−[(4R,5S)−
5−[(カルボベンゾキシアミノ)メチル]−2.2−
ジメチルー4−ジオキソラニル]−2−オキシラニル]
−3−ヒドロキシプロピオネート混合物(450mg)
、イミダゾール(34’ 819)とt−ブチルジメチ
ルクロロシラン(386m9)のN、N−ジメチルホル
ムアミド(lOxQ)溶液を20℃で一夜攪拌した後、
酢酸エチル(70mのを加え、水、飽和食塩水で順次洗
浄する。溶液を硫酸マグネシウムで乾燥後、溶媒を減圧
留去する。残渣をシリカゲル(20g)カラムクロマト
グラフィーに付し、n−ヘキサン−酢酸エチル(10:
1〜2.5:1)混液で溶出する。目的化合物を含む分
画を合し、溶媒を減圧留去して、(3−Rおよび5)−
t−ブチル−3−t−ブチルジメチルシロキシ−3−[
(2R,3S)−3−[(4R。3.4-3.7 (3H, I), 4.01 (2H, x),
5.11 (2H, s), 5. .. 16 (IH, x), 7.
37(5H,5)(ii) (3-R and 5)-t-butyl-3-[(2S,3R)-3-[(4R,5S)-
5-[(carbobenzoxyamino)methyl]-2.2-
dimethyl-4-dioxolanyl]-2-oxiranyl]
-3-hydroxypropionate mixture (450mg)
, After stirring a solution of imidazole (34' 819) and t-butyldimethylchlorosilane (386m9) in N,N-dimethylformamide (lOxQ) at 20°C overnight,
Ethyl acetate (70 ml) was added and washed successively with water and saturated brine. After drying the solution over magnesium sulfate, the solvent was distilled off under reduced pressure. The residue was subjected to silica gel (20 g) column chromatography, and n-hexane- Ethyl acetate (10:
Elute with a mixture of 1 to 2.5:1). The fractions containing the target compound were combined, the solvent was distilled off under reduced pressure, and (3-R and 5)-
t-Butyl-3-t-butyldimethylsiloxy-3-[
(2R,3S)-3-[(4R.
5S)−5−[(カルボベンゾキシアミノ)メチル]−
2.2−ジメチルー4−ジオキソラニル]−2−オキシ
ラニル]−プロピオネート混合物(535t9)の微黄
色油状物を得る。5S)-5-[(carbobenzoxyamino)methyl]-
A pale yellow oil of 2.2-dimethyl-4-dioxolanyl]-2-oxiranyl]-propionate mixture (535t9) is obtained.
IR(液膜):3350,2920,1720,152
0.1365,1240,1155,1090cx−’
N M R(CD CQ s 、δ):0.02(s)
、0.11(s)。IR (liquid film): 3350, 2920, 1720, 152
0.1365, 1240, 1155, 1090cx-'
NMR(CDCQs, δ): 0.02(s)
, 0.11(s).
(合計6H)、0.84(s)、0.90(s)、(合
計9H)。(6 hours in total), 0.84 (s), 0.90 (s), (9 hours in total).
1.36(6H,s)、1.43(9H,s)、2.4
6(2H。1.36 (6H, s), 1.43 (9H, s), 2.4
6 (2H.
り、3.01(2H,x)、3.4〜3.6(3H,J
り、3゜9〜4.3(2H,x)、5.11(2H,s
)、5.21(IH,x)7.36(5H,5)
(iiiX3−Rおよび5)−t−ブチル−3−t−ブ
チルジメチルシロキシ−3−[(2R,3S)−3−[
(4R,5S)−5−[(カルボベンゾキシアミノ)メ
チル]−2.2−ジメチルー4−ジオキソラニルコ−2
−オキシラニルコプロピオネート混合物(514j19
)のエタノール(20jlQ)溶液にパラジウム・黒(
lOOx9)を加え、3気圧の水素雰囲気下、室温で3
時間振盪する。触媒を?別後、炉液を減圧濃縮する。残
渣を塩基性アルミナ(30ff12)カラムクロマトグ
ラフィーに付し、クロロホルム−メタノール(20:1
)で溶出する。目的化合物を含む分画を合し、減圧濃縮
して、(3−RおよびS)−t−ブチル−3−t−ブチ
ルジメチルシロキシ−3−[(2R,3S)−3−[(
4R,5S)−5−アミノメチル]−2,2−ジメチル
−4−ジオキソラニル]−2−オキシラニル]プロピオ
ネート混合物(402jIg)の微黄色油状物を得る。3.01 (2H, x), 3.4-3.6 (3H, J
3°9~4.3(2H,x), 5.11(2H,s
), 5.21(IH,x)7.36(5H,5) (iiiX3-R and 5)-t-butyl-3-t-butyldimethylsiloxy-3-[(2R,3S)-3-[
(4R,5S)-5-[(carbobenzoxyamino)methyl]-2,2-dimethyl-4-dioxolanylco-2
-oxiranyl copropionate mixture (514j19
) in ethanol (20jlQ) solution with palladium black (
1OOx9) at room temperature under a hydrogen atmosphere of 3 atm.
Shake for an hour. A catalyst? After separation, the furnace liquid is concentrated under reduced pressure. The residue was subjected to basic alumina (30ff12) column chromatography and chloroform-methanol (20:1
). Fractions containing the target compound were combined and concentrated under reduced pressure to give (3-R and S)-t-butyl-3-t-butyldimethylsiloxy-3-[(2R,3S)-3-[(
A pale yellow oil of 4R,5S)-5-aminomethyl]-2,2-dimethyl-4-dioxolanyl]-2-oxiranyl]propionate mixture (402jIg) is obtained.
IR(液膜):2920.1720,1360,124
5.1155.l 100cs+−’NMR(CDCI
23.δ):0,07(s)、0.13(s)。IR (liquid film): 2920.1720, 1360, 124
5.1155. l 100cs+-'NMR (CDCI
23. δ): 0.07 (s), 0.13 (s).
(合計6H)、0.88(9H,s)、1.40(6H
,s)。(Total 6H), 0.88 (9H, s), 1.40 (6H, s)
,s).
1.46(s)、1.53(s)、(合計9H)、2.
50(2H,i)、2.8〜3.2(4H,I)、3.
73(I H,肩)。1.46 (s), 1.53 (s), (total 9H), 2.
50 (2H, i), 2.8-3.2 (4H, I), 3.
73 (IH, shoulder).
3.8〜4.3(2H,II)
(ivX3−Rおよび5)−t−ブチル−3−t−ブチ
ルジメチルシロキシ−3−[(2R,3S)−3−[(
4R,5S)−5−アミノメチル]−2,2−ジメチル
−4−ジオキソラニル]−2−オキシラニル]プロピオ
ネート混合物(379,5z9)のメチルセロソルブ(
20iI2)溶液を33時間加熱還流した後、溶媒を減
圧留去する。残渣をシリカゲル(25y)カラムクロマ
トグラフィーに付し、n−ヘキサン−酢酸エチル(2:
1)混液で溶出する。第1分画として、(IR,6S、
7R,8R,8aS)−1−t−ブチルジメチルシロキ
シ−8−ヒドロキシ−6゜7−イソプロピリデンジオキ
シ−3−イントリジジノン(63,2j9)の微黄褐色
結晶を得る。3.8-4.3(2H,II) (ivX3-R and 5)-t-butyl-3-t-butyldimethylsiloxy-3-[(2R,3S)-3-[(
Methyl cellosolve (4R,5S)-5-aminomethyl]-2,2-dimethyl-4-dioxolanyl]-2-oxiranyl]propionate mixture (379,5z9)
20iI2) After heating the solution under reflux for 33 hours, the solvent is distilled off under reduced pressure. The residue was subjected to silica gel (25y) column chromatography, and n-hexane-ethyl acetate (2:
1) Elute with a mixed solution. As the first fraction, (IR, 6S,
Slight yellowish brown crystals of 7R,8R,8aS)-1-t-butyldimethylsiloxy-8-hydroxy-6°7-isopropylidenedioxy-3-intrizidinone (63,2j9) are obtained.
融点二174〜177℃
[α]も’:+32.7° (C−0,32、CHCl
23)IR(メタノール):3350,1665,12
55.1245.109109O’
NMR(CD C123,δ):0.l 1(3H,S
)、0.12(3H,s)、0.89(9H,s)、1
.43(3H,s)。Melting point 2174-177°C [α]Mo': +32.7° (C-0,32, CHCl
23) IR (methanol): 3350, 1665, 12
55.1245.109109O' NMR (CD C123, δ): 0. l 1(3H,S
), 0.12 (3H, s), 0.89 (9H, s), 1
.. 43 (3H, s).
1.46(3H,s)、2.44(I H,d、d、d
、J= 17Hz、4 Hz、 1.5 Hz)、2.
70(I H,d、d、J =17Hz、8Hz)、2
.80(L H,d、t、J = 1.5Hz。1.46 (3H, s), 2.44 (I H, d, d, d
, J=17Hz, 4Hz, 1.5Hz), 2.
70 (I H, d, d, J = 17Hz, 8Hz), 2
.. 80 (L H, d, t, J = 1.5Hz.
1Hz)、3.22(lH,i)、3.26(IH,d
、d、J=3Hz、9.5Hz)、3.49(2H,x
)、4.42(IH。1Hz), 3.22(lH,i), 3.26(IH,d
, d, J=3Hz, 9.5Hz), 3.49(2H, x
), 4.42 (IH.
d、d、d、J=3Hz、4Hz、8Hz)、4.52
(IH,d。d, d, d, J=3Hz, 4Hz, 8Hz), 4.52
(IH, d.
d、J=5Hz、IHz)
第2分画として、(I S、6S、7R,8R,8aS
)−1−1−ブチルジメチルシロキシ−8−ヒドロキシ
−6,7−イソプロピリデンジオキシ−3−イントリジ
ジノン(96,8119)の微黄色結晶を得る。d, J = 5Hz, IHz) As the second fraction, (IS, 6S, 7R, 8R, 8aS
)-1-1-Butyldimethylsiloxy-8-hydroxy-6,7-isopropylidenedioxy-3-intrizidinone (96,8119) as pale yellow crystals are obtained.
融点:168〜170℃
[α]、、’:+ 81 、2°(C= 0.47 、
CHCl23)IR(メタノール):3370,167
5.1250.1240.+230.1135,109
5.1065cm−’
NMR(CDC123,δ):0.12(3H,s)、
0.14(3H,s)、0.91(9H,s)、1.4
7(3H,s)。Melting point: 168-170°C [α], ': + 81, 2° (C = 0.47,
CHCl23) IR (methanol): 3370,167
5.1250.1240. +230.1135,109
5.1065 cm-' NMR (CDC123, δ): 0.12 (3H, s),
0.14 (3H, s), 0.91 (9H, s), 1.4
7 (3H, s).
1.48(3H,s)、2.40(I H,d、d、J
=4Hz。1.48 (3H, s), 2.40 (I H, d, d, J
=4Hz.
17Hz、)、2.6〜2.8(2H,x)、3.32
(I H。17Hz, ), 2.6-2.8 (2H, x), 3.32
(IH.
d、d、d、J=5Hz、l OHz、12Hz)、3
.44(IH,d、d、J=7Hz、10Hz)、3.
57(II−I、t、J= 10Hz)、4.08(I
H,d、t、J=3Hz、l 0Hz)、4.49(
IH,d、d、J=5Hz、12Hz)、4.68(I
H,d、t、J=4Hz、7Hz)(vXI S、6
S、7R,8R,8aS) −1−t−ブチルジメチル
シロキシ−8−ヒドロキシ−6,7−イツブロビリデン
ジオキシー3−イントリジジノン(16,73m9)の
無水テトラヒドロフラン(2峠)溶液に窒素雰囲気下、
室温でジボラン−テトラヒドロフラン複合体の1Mテト
ラヒドロフラン溶液(2xN)を滴下する。反応液を3
時間加熱還流した後、濃塩酸(2xQ)と水(2村)を
順次加え、70℃で6時間攪拌する。溶媒を減圧留去し
た後、残渣を水(10屓C)に溶解し、アンバーライト
(Amberlite) I RA 400 (OH−
型)で中和する。d, d, d, J=5Hz, lOHz, 12Hz), 3
.. 44 (IH, d, d, J=7Hz, 10Hz), 3.
57 (II-I, t, J = 10Hz), 4.08 (I
H, d, t, J = 3 Hz, l 0 Hz), 4.49 (
IH, d, d, J = 5Hz, 12Hz), 4.68 (I
H, d, t, J = 4Hz, 7Hz) (vXI S, 6
S, 7R, 8R, 8aS) -1-t-Butyldimethylsiloxy-8-hydroxy-6,7-itubropylidenedioxy-3-intrizidinone (16,73 m9) was added to a solution of anhydrous tetrahydrofuran (2 toge) under a nitrogen atmosphere. ,
A 1M solution of diborane-tetrahydrofuran complex in tetrahydrofuran (2xN) is added dropwise at room temperature. 3 of the reaction solution
After heating under reflux for an hour, concentrated hydrochloric acid (2xQ) and water (2 ml) were sequentially added, and the mixture was stirred at 70°C for 6 hours. After distilling off the solvent under reduced pressure, the residue was dissolved in water (10 C) and dissolved in Amberlite I RA 400 (OH-
type) to neutralize it.
樹脂をデ別後、Y液を減圧濃縮し、残渣をシリカゲル(
1、69)カラムクロマトグラフィーに付し、クロロホ
ルム−メタノール−水(65:25:4)で溶出する。After separating the resin, the Y solution was concentrated under reduced pressure, and the residue was purified by silica gel (
1, 69) Subjected to column chromatography and eluted with chloroform-methanol-water (65:25:4).
目的化合物を含む分画を合し、溶媒を減圧濃縮し、(I
R,6S、7R,8R,8aR)−テトラヒドロキシイ
ンドリジジン(7,34m9)の無色結晶を得る。The fractions containing the target compound were combined, the solvent was concentrated under reduced pressure, and (I
Colorless crystals of R,6S,7R,8R,8aR)-tetrahydroxyindolizidine (7,34m9) are obtained.
融点:207〜210’C(分解)
[α]l)’:+ 79 、0°(C=0.17.H2
O)IR(メタノール):3340,1155,112
0.1005cj!−’
NMR(D、O,δ):1.73(IH,jI)、2.
05(IH,d、d、J=5Hz、10Hz)、2.0
8(I H,t。Melting point: 207-210'C (decomposition) [α]l)': +79, 0° (C=0.17.H2
O) IR (methanol): 3340, 1155, 112
0.1005cj! -' NMR (D, O, δ): 1.73 (IH, jI), 2.
05 (IH, d, d, J=5Hz, 10Hz), 2.0
8 (I H, t.
J=10)IZ)、2.24(IH,Q、J=10Hz
)、2゜36(IH,ff)、3.11(IH,d、t
、J=2H2,10Hz)、3.20(I H,d、d
、J= 10Hz、5Hz)、3゜34(I H,t、
J=9Hz)、3.62(IH,z)、4.43(IH
,x)
実施例3
(IR,6S、7R,8R,8aS)−1−t−ブチル
ジメチルシロキシ−8−ヒドロキシ−6,7−イツブロ
ピリデンジオキシー3−イントリジジノン(47,5J
II9)の無水テトラヒドロフラン(5RI2)溶゛液
に窒素雰囲気下、室温でジボラン−テトラヒドロフラン
複合体のIM−テトラヒドロフラン溶液(FMりを滴下
する。反応液を3時間加熱還流した後、濃塩酸(4酎)
と水(Iff)を順次加え、70℃で8時間攪拌する。J=10)IZ), 2.24(IH,Q, J=10Hz
), 2°36 (IH, ff), 3.11 (IH, d, t
, J=2H2, 10Hz), 3.20(I H, d, d
, J = 10Hz, 5Hz), 3°34(I H,t,
J=9Hz), 3.62 (IH, z), 4.43 (IH
,
A solution of diborane-tetrahydrofuran complex in IM-tetrahydrofuran (FM) was added dropwise to a solution of II9) in anhydrous tetrahydrofuran (5RI2) at room temperature under a nitrogen atmosphere. The reaction solution was heated under reflux for 3 hours, and then concentrated hydrochloric acid (4 )
and water (Iff) were sequentially added thereto, and the mixture was stirred at 70°C for 8 hours.
溶媒を減圧留去した後、残渣を水 (10iff)に溶
解し、アンバーライト(Avberlite) r R
A 400 (OH−型)で中和する。After distilling off the solvent under reduced pressure, the residue was dissolved in water (10 iff) and dissolved in Avberlite.
Neutralize with A 400 (OH- form).
樹脂を?別後、炉液を減圧濃縮し、残渣をシリカゲル(
4g)カラムクロマトグラフィーに付し、クロロホルム
−メタノール−水(65:25 :4)で溶出する。目
的化合物を含む分画を合し、溶媒を減圧濃縮して、(I
S、6S、7R,8R,8aR)−テトラヒドロキシ
インドリジジン(19,8xy)の無色シロップを得る
。Resin? After separation, the furnace liquid was concentrated under reduced pressure, and the residue was converted into silica gel (
4g) Subjected to column chromatography and eluted with chloroform-methanol-water (65:25:4). The fractions containing the target compound were combined, the solvent was concentrated under reduced pressure, and (I
A colorless syrup of S,6S,7R,8R,8aR)-tetrahydroxyindolizidine (19,8xy) is obtained.
NMR(D、0.δ):1.67(IH,x)、2.1
3(IH,t、J=8Hz、)、2.28(2H,I)
、2.58(IH,Q、J = 9 Hz)、2.95
(I H,d、t、J = 2 Hz。NMR (D, 0.δ): 1.67 (IH, x), 2.1
3 (IH, t, J=8Hz,), 2.28 (2H, I)
, 2.58 (IH, Q, J = 9 Hz), 2.95
(I H, d, t, J = 2 Hz.
10Hz)、3.15(IH,d、d、J=5Hz、1
1Hz)。10Hz), 3.15 (IH, d, d, J=5Hz, 1
1Hz).
3.32(I H,t、J = 9 Hz、)、3.3
8(I H,t、J=9Hz)、3.60(I H,I
)、4.23(IH,I)実施例4
(i)調製例2で得られた[(2S、3R)−3−[(
4R,5S)−5−[(カルボベンゾキシアミノ)メチ
ル]−2.2−ジメチルー4−ジオキソラニル]−2−
オキシラニル]メタノール(30xg)、イミダゾール
(40mg)とt−ブチルジメチルクロロシラン(4−
5mg)のジメチルホルムアミド(2酎)混液を室温に
て2日間攪拌する。反応液を酢酸エチル(20xQ)で
希釈し、水(3回)、飽和食塩水で順次洗浄し、硫酸マ
グネシウムで乾燥する。溶媒を減圧留去後、残渣をシリ
カゲル(3g)カラムクロマトグラフィーに付し、クロ
ロホルムで溶出する。目的化合物を含む分画を合し、溶
媒を減圧留去し、[(2R,3S)−3−[(4R,5
S)−5−[(カルボベンゾキシアミノ)メチル]−2
.2−ジメチルー4−ジオキソラニル]−2−オキシラ
ニル]メタノールt−ブチルジメチルシリルエーテル(
31m9)の無色油状物を得る。3.32 (I H,t, J = 9 Hz,), 3.3
8 (I H, t, J=9Hz), 3.60 (I H, I
), 4.23(IH,I) Example 4 (i) [(2S,3R)-3-[(
4R,5S)-5-[(carbobenzoxyamino)methyl]-2,2-dimethyl-4-dioxolanyl]-2-
oxiranyl]methanol (30xg), imidazole (40mg) and t-butyldimethylchlorosilane (4-
A mixed solution of 5 mg) of dimethylformamide (2 types) was stirred at room temperature for 2 days. The reaction solution was diluted with ethyl acetate (20xQ), washed successively with water (3 times) and saturated brine, and dried over magnesium sulfate. After distilling off the solvent under reduced pressure, the residue was subjected to column chromatography on silica gel (3 g) and eluted with chloroform. The fractions containing the target compound were combined, the solvent was distilled off under reduced pressure, and [(2R,3S)-3-[(4R,5
S)-5-[(carbobenzoxyamino)methyl]-2
.. 2-dimethyl-4-dioxolanyl]-2-oxiranyl]methanol t-butyldimethylsilyl ether (
31 m9) of colorless oil are obtained.
IR(液膜):3330,2920,1715,136
5.1245.1145’、1090ci−’N M
R(CD CQ 3.δ)0.06(6H,s)、0.
89(9H,s)、1.38(6H,s)、3.02(
I H,I)3゜18(I H,x)、3.46(2H
,z)、3.6〜3 、8 (2H,x)、3.9〜4
.3(2H,it)、5.13(2H,s)。IR (liquid film): 3330, 2920, 1715, 136
5.1245.1145', 1090ci-'N M
R (CD CQ 3.δ) 0.06 (6H, s), 0.
89 (9H, s), 1.38 (6H, s), 3.02 (
I H, I) 3°18 (I H, x), 3.46 (2H
,z), 3.6-3, 8 (2H,x), 3.9-4
.. 3 (2H, it), 5.13 (2H, s).
5.13(I H,x)、7.38(5H,5)(ii
)[(2R,3S)−3−[(4R,5S)−5−[(
カルボベンゾキシアミノ)メチル]−2.2−ジメチル
ー4−ジオキソラニル]−2−オキシラニル]メタノー
ルt−ブチルジメチルシリルエーテル(31019)の
エタノール(21(2)溶液にパラジウム・黒(103
19)を加え、3気圧の水素雰囲気下、室温で2時間振
盪する。触媒を炉別後、r液を減圧留去して、[(2R
,3S)−3−[(4R,5S’)−5−アミノメチル
]−2,2−ジメチル−4−ジオキソラニル]−2−オ
キシラニル]メタノールt−ブチルジメチルシリルエー
テル(21,8x9)の無色油状物を得る。5.13 (I H, x), 7.38 (5H, 5) (ii
)[(2R,3S)-3-[(4R,5S)-5-[(
Carbobenzoxyamino)methyl]-2,2-dimethyl-4-dioxolanyl]-2-oxiranyl]methanol t-Butyldimethylsilyl ether (31019) in ethanol (21(2) solution with palladium black (103)
19) and shaken at room temperature for 2 hours under a hydrogen atmosphere of 3 atm. After the catalyst was separated from the furnace, the r liquid was distilled off under reduced pressure to obtain [(2R
,3S)-3-[(4R,5S')-5-aminomethyl]-2,2-dimethyl-4-dioxolanyl]-2-oxiranyl]methanol t-butyldimethylsilyl ether (21,8x9) colorless oil get something
IR(液膜):3380,2930,2860,137
5.1370,1255,1105.835cm−’N
MR(CDC+b、δ)0.07(6H,s)、0.9
1(9H,s)、1.44(6H,s)、2.03(2
H,s)、2゜9〜3.3(4H,x)、3.7〜4.
3(4H,x)(iii)[(2R,3S) −3−[
(4R,5S) −5−アミノメチル]−2,2−ジメ
チル−4−ジオキソラニルコー2−オキシラニル]メタ
ノールt−ブチルジメチルシリルエーテル(50,01
9)のメチルセロソルブ(4j!(2)溶液を4時間加
熱還流し、溶媒を減圧留去する。残渣をシリカゲル(2
,59)カラムクロマトグラフィーに付し、クロロホル
ムーメタノール(50:1)混液にて溶出する。目的化
合物を含む分画を合し、溶媒を減圧留去し、6−0−t
−ブチルジメチルシリル−1,5−ジデオキシ−1,5
−イミノ−2,3−0−イソプロピリデン−D−グリシ
ドール(36,9o)の微黄色結晶を得る。IR (liquid film): 3380, 2930, 2860, 137
5.1370,1255,1105.835cm-'N
MR (CDC+b, δ) 0.07 (6H, s), 0.9
1 (9H, s), 1.44 (6H, s), 2.03 (2
H,s), 2°9~3.3(4H,x), 3.7~4.
3(4H,x)(iii)[(2R,3S)-3-[
(4R,5S)-5-aminomethyl]-2,2-dimethyl-4-dioxolanyl-2-oxiranyl]methanol t-butyldimethylsilyl ether (50,01
The methyl cellosolve (4j! (2) solution of 9) was heated under reflux for 4 hours, and the solvent was distilled off under reduced pressure.
, 59) was subjected to column chromatography and eluted with a chloroform-methanol (50:1) mixture. The fractions containing the target compound were combined, the solvent was distilled off under reduced pressure, and 6-0-t
-butyldimethylsilyl-1,5-dideoxy-1,5
-Imino-2,3-0-isopropylidene-D-glycidol (36,9o) is obtained as pale yellow crystals.
融点=109〜110℃
[α]il)。:+20.1°(C=0.22.CHC
l25)IR(ヌジg−ル):1225,1180,1
165 、8’30 am−’
NMR(CD CQ、1.δ)0.07(6H,s)、
0.90(9H,s)、1.44(6H,s)、2.1
6(2H,ブロードs)、2.50(I H,d、d、
J =3.5Hz、9Hz)、2゜6〜2.9(II−
f、i)、3.3〜5(3H,x)3.5〜3゜8(亘
H,II)、3.8 3(2H,1)(iv)6−0
−t−ブチルジメチルシリル−1,5−ジデオキシ−1
,5−イミノ−2,3−0−イソプロピリデン−D−グ
リシドール(20,5xy)の75%水性トリフルオロ
酢酸(2m(1)溶液を室温にて一夜攪拌し、溶媒を減
圧留去する。残渣を水(10112)に溶解し、過剰の
アンバーライト(Asberltte) I RA 4
00 (OH−型)で処理する。Melting point = 109-110°C [α]il). :+20.1°(C=0.22.CHC
l25) IR (nuji g-ru): 1225, 1180, 1
165, 8'30 am-' NMR (CD CQ, 1.δ) 0.07 (6H, s),
0.90 (9H, s), 1.44 (6H, s), 2.1
6 (2H, broad s), 2.50 (I H, d, d,
J = 3.5Hz, 9Hz), 2°6 ~ 2.9 (II-
f, i), 3.3-5 (3H, x) 3.5-3゜8 (Wataru H, II), 3.8 3 (2H, 1) (iv) 6-0
-t-butyldimethylsilyl-1,5-dideoxy-1
A solution of ,5-imino-2,3-0-isopropylidene-D-glycidol (20,5xy) in 75% aqueous trifluoroacetic acid (2 m (1)) is stirred at room temperature overnight and the solvent is removed under reduced pressure. Dissolve the residue in water (10112) and add excess Amberlite I RA 4
00 (OH-type).
樹脂をI別後、溶媒を減圧留去して、1.5−ジデオキ
シ−1,5−イミノ−D−グリシドール(9゜5罪)の
白色結晶を得る。After separating the resin, the solvent was distilled off under reduced pressure to obtain white crystals of 1,5-dideoxy-1,5-imino-D-glycidol (9°5 sin).
融点:192〜195℃
[α]、S’:+46.7°(C=0.205.H*0
)夏R(ヌジョール):3320,1105,1085
.1035,1020,990cz−’NMR(D*0
.δ):2.41(IH,d、d、J=8Hz、 10
.5Hz)、2.55(I H,x)、3.10(I
H,d。Melting point: 192-195°C [α], S': +46.7° (C=0.205.H*0
) Summer R (Nujol): 3320, 1105, 1085
.. 1035,1020,990cz-'NMR(D*0
.. δ): 2.41 (IH, d, d, J=8Hz, 10
.. 5Hz), 2.55 (I H,x), 3.10 (I
H,d.
d、J=4.5Hz、10.5Hz)、3.2〜3.6
(3H。d, J=4.5Hz, 10.5Hz), 3.2-3.6
(3H.
III)、3.59(I H,d、d、J=5Hz、1
0Hz)、3.83(lH,d、d、J=3Hz、10
Hz)実施例4
(iX4R,5R)−3−[(IR,2R)−1−t
−ブチルジメチルシロキシ−2,3−ジヒドロキシ]プ
ロピル−5−(カルボベンゾキシアミノ)メチル−2,
2−ジメチル−ジオキソラン(2,009)、を−ブチ
ルジメチルクロロシラン(770m9)とイミダゾール
(69619)のジメチルホルムアミド(20xQ)溶
液を室温で6時間攪拌する。反応液を酢酸エチル(20
(1りで希釈し、水で3回、次いで飽和食塩水で洗浄す
る。有機相を硫酸マグネシウムで乾燥後、溶媒を減圧留
去する。残渣をシリカゲル(509)カラムクロマトグ
ラフィーに付し、・n−ヘキサンー酢酸エチル(10:
l)混液で溶出する。目的化合物を含む分画を合し、溶
媒を減圧留去し、(4R,5R)−3−[(l R,2
R)−1,3−ジ−t−ブチルジメチルシロキシ−2−
ヒドロキシ]プロピル−5−(カルボベンゾキシアミノ
)メチル−2,2−ジメチルジオキソラン(2,349
)の゛無色油状物を得る。III), 3.59 (I H, d, d, J=5Hz, 1
0Hz), 3.83 (lH, d, d, J=3Hz, 10
Hz) Example 4 (iX4R,5R)-3-[(IR,2R)-1-t
-butyldimethylsiloxy-2,3-dihydroxy]propyl-5-(carbobenzoxyamino)methyl-2,
A solution of 2-dimethyl-dioxolane (2,009), -butyldimethylchlorosilane (770 m9) and imidazole (69619) in dimethylformamide (20xQ) is stirred at room temperature for 6 hours. The reaction solution was diluted with ethyl acetate (20
(Diluted with 1 part, washed 3 times with water and then with saturated brine. After drying the organic phase over magnesium sulfate, the solvent was distilled off under reduced pressure. The residue was subjected to silica gel (509) column chromatography. n-hexane-ethyl acetate (10:
l) Elute with a mixture. Fractions containing the target compound were combined, the solvent was distilled off under reduced pressure, and (4R,5R)-3-[(l R,2
R)-1,3-di-t-butyldimethylsiloxy-2-
hydroxy]propyl-5-(carbobenzoxyamino)methyl-2,2-dimethyldioxolane (2,349
) to obtain a colorless oil.
IR(液膜):3450,2950,2940,170
5.1525,1460,1250.1220,110
5.855CI−’
NMR(CD(J!s、δ):0.07(12H,s)
、1 。IR (liquid film): 3450, 2950, 2940, 170
5.1525,1460,1250.1220,110
5.855CI-' NMR (CD (J!s, δ): 0.07 (12H, s)
, 1.
86(9H,s)、 1.87(9H,s)、 1.3
2(3H,s)1.44(3H,s)2.68(lH,
m)、2.9〜3.2(IH,m)、3.4〜3.9(
4H,+++)、4.0〜4.3(2H。86 (9H, s), 1.87 (9H, s), 1.3
2(3H,s)1.44(3H,s)2.68(lH,
m), 2.9-3.2 (IH, m), 3.4-3.9 (
4H, +++), 4.0-4.3 (2H.
−)5゜10(2H,s)、5.I 5(IH,x)、
7.34(5H,5)
(ii)ピリジン(4酎)のジクロルメタン(120酎
)溶液を10℃に冷却し、無水クロム酸(2,969)
を加え、混合物を室温で30分間攪拌する。-) 5°10 (2H, s), 5. I 5 (IH, x),
7.34(5H,5) (ii) A solution of pyridine (4 liters) in dichloromethane (120 liters) was cooled to 10°C, and chromic anhydride (2,969 liters) was cooled to 10°C.
is added and the mixture is stirred at room temperature for 30 minutes.
反応液を水冷しく4R,5R)−ジー[(IR,2R)
−!、3−ジーt−ブチルジメチルシロキシ−2−ヒド
ロキシ]プロピル−5−(カルボベンゾキシアミノ)メ
チル−2,2−ジメチルジオキソラン(2゜159)の
ジクロルメタン(20m12)溶液を滴下する。The reaction solution was cooled with water and diluted with 4R,5R)-G[(IR,2R)
-! , 3-di-t-butyldimethylsiloxy-2-hydroxy]propyl-5-(carbobenzoxyamino)methyl-2,2-dimethyldioxolane (2°159) in dichloromethane (20 ml) is added dropwise.
反応液を室温で3時間攪拌した後、セライトを一過助剤
として用いて濾過する。r液を減圧濃縮後、残渣にトル
エン(100m+2)を加え、セライトを一過助剤とし
て用いて一過する。y液を減圧濃縮後、残渣をシリカゲ
ル(509)カラムクロマトグラフィーに付し、n−ヘ
キサン−酢酸エチル(l 0w1)混液で溶出する。目
的化合物を含む分画を合し、減圧濃縮して(4R,5R
)−3−[(l 5)−1,3−ジ−t−ブチルジメチ
ルシロキシ−2−オキシ]プロピル−5−(カルボベン
ゾキシアミノ)メチルー2.2−ジメチルジオキソラン
−(1,72y)の無色油状物を得る。After stirring the reaction solution at room temperature for 3 hours, it is filtered using Celite as a filtering aid. After concentrating the r liquid under reduced pressure, toluene (100 m+2) was added to the residue, and it was passed through using Celite as a passing aid. After concentrating the y solution under reduced pressure, the residue was subjected to silica gel (509) column chromatography and eluted with a mixture of n-hexane and ethyl acetate (10w1). Fractions containing the target compound were combined and concentrated under reduced pressure (4R, 5R
)-3-[(l 5)-1,3-di-t-butyldimethylsiloxy-2-oxy]propyl-5-(carbobenzoxyamino)methyl-2,2-dimethyldioxolane-(1,72y) A colorless oil is obtained.
IR(液膜):3340,2930,1720,125
0.1215,835,770cm−’[α]ら’:+
8.12°(C= 0.61 、CHCQ3)N M
R(OD C123,δ):0.07(6H,s)、0
.11(6H,s)、0.92(18H,s)、1.3
1(3H,s)1.46(3H,s)、3.70(2H
,i)、4.0〜4.5(3H,I)、4.62(2H
,II)、5.13(2H,8)、5゜13(I H,
x)、7.38(5H,5)(iii)(4R,5S)
−3−[(Is)−1,3−ジ−t−ブチルジメチル
シロキシ−2−オキシ]プロピル−5−(カルボベンゾ
キシアミノ)メチル−2゜2−ジメチルジオキソラン(
34619)のエタノール(1014)溶液にパラジウ
ム・黒(100Q)を加え3気圧の水素雰囲気下、室温
で9時間振盪する。IR (liquid film): 3340, 2930, 1720, 125
0.1215,835,770cm-'[α] et al':+
8.12° (C=0.61, CHCQ3)NM
R (OD C123, δ): 0.07 (6H, s), 0
.. 11 (6H, s), 0.92 (18H, s), 1.3
1 (3H, s) 1.46 (3H, s), 3.70 (2H
, i), 4.0-4.5 (3H, I), 4.62 (2H
, II), 5.13 (2H, 8), 5°13 (I H,
x), 7.38 (5H, 5) (iii) (4R, 5S)
-3-[(Is)-1,3-di-t-butyldimethylsiloxy-2-oxy]propyl-5-(carbobenzoxyamino)methyl-2゜2-dimethyldioxolane (
Add palladium black (100Q) to an ethanol (1014) solution of 34619) and shake at room temperature for 9 hours under a hydrogen atmosphere of 3 atm.
触媒を炉別後、炉液を減圧濃縮する。残渣をシリカゲル
(179)カラムクロマトグラフィーに付し、n−ヘキ
サン−酢酸エチル(5: 1 ’)混液で溶出する。After the catalyst is separated from the furnace, the furnace liquid is concentrated under reduced pressure. The residue was subjected to silica gel (179) column chromatography and eluted with a mixture of n-hexane and ethyl acetate (5:1').
目的化合物を含む分画を合し、溶媒を減圧留去して4.
6−ジー0−1−ブチルジメチルシリル−1゜5−ジデ
オキシ−1,5−イミノ−2,3−0−イソプロピリデ
ン−D−マンニトール(189mg)の黄白色粉末を得
る。4. The fractions containing the target compound were combined and the solvent was distilled off under reduced pressure.
A yellowish white powder of 6-di-0-1-butyldimethylsilyl-1.5-dideoxy-1,5-imino-2,3-0-isopropylidene-D-mannitol (189 mg) was obtained.
融点=43〜45℃
[α]ら、’ニー36.5°(C=0.46.CHCl
25)IR(ヌジョール):1245.1100,10
80.845,770cm″″3
NMFLCCDCQS、δ):0.10(9H,s)、
16(3H,s)、0.90(18Hj)、l、34(
3H,s)1.51 (3H,s)、2.33(I H
,d、t、J = 9 Hz、4 Hz)。Melting point = 43-45°C [α] et al., 'knee 36.5° (C = 0.46.CHCl
25) IR (Nujol): 1245.1100,10
80.845,770cm″″3 NMFLCCDCQS, δ): 0.10 (9H, s),
16 (3H, s), 0.90 (18Hj), l, 34 (
3H, s) 1.51 (3H, s), 2.33 (I H
, d, t, J = 9 Hz, 4 Hz).
2.94(IH,d、d、J=3Hz、15Hz)3.
41(IH,d、J = 15 Hz)、3.53(I
H,d、d、J =3 H2゜9Hz)、3.4〜4
.0(3H,x)、4.11(IH,I)(iv)4.
6−ジー0−1−ブチルジメチルシリル−1,5−ジデ
オキシ−1,5−イミノ−2,3−〇−イソプロピリデ
ンーD−マンニトール(63゜1 mg)の75%水性
トリフルオロ酢酸(2zN)溶液を室温で5時間攪拌し
、溶媒を減圧留去する。残渣を水(5112)に溶解し
ダウエックス(D owex) 50WXSカラム(3
xQ)に付す。カラムを水(4011(2)テ洗浄後、
2.8%アンモニア水で溶出する。目的化合物を含む分
画を合し、溶媒を減圧留去して、1.5−ジデオキシ−
1,5−イミノ−D−マンニトール(17,3mg)の
微黄色シロップを得る。2.94 (IH, d, d, J=3Hz, 15Hz)3.
41 (IH, d, J = 15 Hz), 3.53 (I
H, d, d, J = 3 H2゜9Hz), 3.4-4
.. 0(3H,x), 4.11(IH,I)(iv)4.
6-di-0-1-butyldimethylsilyl-1,5-dideoxy-1,5-imino-2,3-〇-isopropylidene-D-mannitol (63°1 mg) in 75% aqueous trifluoroacetic acid (2zN ) The solution is stirred at room temperature for 5 hours and the solvent is removed under reduced pressure. The residue was dissolved in water (5112) and applied to a Dowex 50WXS column (3
xQ). After washing the column with water (4011(2)),
Elute with 2.8% aqueous ammonia. The fractions containing the target compound were combined, the solvent was distilled off under reduced pressure, and 1,5-dideoxy-
A pale yellow syrup of 1,5-imino-D-mannitol (17.3 mg) is obtained.
NMR(D、0.δ):2.71(I H,d、t、J
=5Hz、10Hz)、2.93(IH,d、J=14
Hz)、3゜15(I H,d、d、J=3Hz、 1
4Hz)、3.61 (IH,d、d、J=3Hz、l
0Hz)、3.71(I H,t、J= 10Hz)
、3.80(IH,d、d、J=5Hz、13Hz)、
3.86(IH,d、d、J=4Hz、13Hz)、4
.09(IH,JI)
[α]6s、−33、7°(C=0.19.CH,OH
)実施例5
(i)1−カルボベンゾキシアミノ−1−デオキシ−2
,3:5,6−ジーO−イソプロピリデン−D°マンニ
トール(36,13g)のピリジン(400霞l)溶液
を5℃に冷却し、塩化メタンスルホニル(14,1m1
)を加え、冷蔵庫に一夜放置する。NMR (D, 0.δ): 2.71 (I H, d, t, J
=5Hz, 10Hz), 2.93 (IH, d, J = 14
Hz), 3°15 (I H, d, d, J = 3Hz, 1
4Hz), 3.61 (IH, d, d, J=3Hz, l
0Hz), 3.71 (IH, t, J= 10Hz)
, 3.80 (IH, d, d, J=5Hz, 13Hz),
3.86 (IH, d, d, J=4Hz, 13Hz), 4
.. 09 (IH, JI) [α]6s, -33, 7° (C=0.19.CH,OH
) Example 5 (i) 1-carbobenzoxyamino-1-deoxy-2
, 3:5,6-di-O-isopropylidene-D° A solution of mannitol (36.13 g) in pyridine (400 ml) was cooled to 5°C and methanesulfonyl chloride (14.1 ml) was added.
) and leave in the refrigerator overnight.
溶媒を減圧留去後、残渣をクロロホルム(700霞l)
に溶解し、溶液を飽和炭酸水素ナトリウム水溶液、水、
飽和食塩水で順次洗浄後、硫酸マグネシウムで乾燥する
。溶媒を減圧留去して得られる残渣をシリカゲル(60
0g)カラムクロマトグラフィーに付し、クロロホルム
−メタノール(100:l)混液で溶出する。目的物を
含む分画を合し、溶媒を減圧留去してl−カルボベンゾ
キシアミノ−1−デオキシ−2,3:5,6ジー0−イ
ソプロピリデン−4−0−メタンスルホニル−ニトール
(36.2g)の黄色シロップを得る。After distilling off the solvent under reduced pressure, the residue was dissolved in chloroform (700 ha).
Dissolve the solution in saturated aqueous sodium bicarbonate solution, water,
After sequentially washing with saturated saline, drying with magnesium sulfate. The residue obtained by evaporating the solvent under reduced pressure was purified by silica gel (60%
0g) Subjected to column chromatography and eluted with a chloroform-methanol (100:l) mixture. The fractions containing the target product were combined and the solvent was distilled off under reduced pressure to obtain l-carbobenzoxyamino-1-deoxy-2,3:5,6-di-0-isopropylidene-4-0-methanesulfonyl-nitol ( 36.2 g) of yellow syrup are obtained.
IR(液膜):3350,2970,17 1 5,1
520、1350,1240,1210.1 170c
m−鵞NMR(CHCl25.δ):1.03(6H,
s)、1.33(6H,s)、3.08(3H,s)、
4.0 〜4.5(7H。IR (liquid film): 3350, 2970, 17 1 5, 1
520, 1350, 1240, 1210.1 170c
m-NMR (CHCl25.δ): 1.03 (6H,
s), 1.33 (6H, s), 3.08 (3H, s),
4.0-4.5 (7H.
m)、4.77(l H,m)、5.1 0(2H,s
)、5.1 0(LH,m)、7.3 0(5H,s)
(ii)1−カルボベンゾキシアミノ−1−デオキシ−
2,3:5,6−ジー0−イソプロピリデン−4−0−
メタンスルホニル−〇ーマンニトール(900mg)を
メタノール(9ml)と水( l ml)の混液に溶解
し、p−トルエンスルホン酸−水和物(35+l1g)
を加え、15〜20℃で3日間攪拌する。反応液に過剰
ノアンバーライト(Amberlite) I RA4
00(OH−型)を加え、室温で1時間攪拌する。m), 4.77 (l H, m), 5.1 0 (2 H, s
), 5.1 0 (LH, m), 7.3 0 (5H, s) (ii) 1-carbobenzoxyamino-1-deoxy-
2,3:5,6-di-0-isopropylidene-4-0-
Methanesulfonyl-mannitol (900 mg) was dissolved in a mixture of methanol (9 ml) and water (1 ml), and p-toluenesulfonic acid hydrate (35+11 g)
and stirred at 15-20°C for 3 days. Add excess Amberlite I RA4 to the reaction solution.
00 (OH- form) is added and stirred at room temperature for 1 hour.
樹脂を?別後、炉液を濃縮し、得られた残渣をシリカゲ
ル(20g)カラムクロマトグラフィーに付し、クロロ
ホルム−メタノール(l:0〜5:1)混液で溶出する
。目的物を含む分画を合し、溶媒を減圧留去して[(2
R,3S)−3−[(4R,5R)−、5−[(カルボ
ベンゾキシアミノ)メチル]−2.2−ジメチルー4−
ジオキ゛ソラニル]−2−オキシラニル]メタノール(
382n+g)の無色シロップを得る。Resin? After separation, the filtrate was concentrated, and the resulting residue was subjected to column chromatography on silica gel (20 g) and eluted with a chloroform-methanol (1:0 to 5:1) mixture. The fractions containing the target product were combined and the solvent was distilled off under reduced pressure to obtain [(2
R,3S)-3-[(4R,5R)-,5-[(carbobenzoxyamino)methyl]-2,2-dimethyl-4-
Dioxolanyl]-2-oxiranyl]methanol (
382n+g) of colorless syrup are obtained.
IR(液膜):3420,2980,1700,152
0.1245,1075ci−’
NMR(CDCI23.δ): 1.34 (3H,s
)、 1.47(3H,s)、1.97(I H,br
、s)、3.11(2H,m)、3.5〜4.5(6H
,i)、5.12(2H,s)、5.28(IH,m)
、7.33(5H,5)(iii)ピリジン(6,23
m1)のジクロルメタン(150ml)溶液に無水クロ
ム酸(3,44g)を液温1O−15℃の範囲で10分
間で加え、室温で1時間攪拌する。反応液を8〜10℃
に冷却下、[2R,3S)−3−[(4R,5R)−5
−[(カルボベンゾキシアミノ)メチル]−2.2−ジ
メチルー4−ジオキソラニル]−2−オキシラニル]メ
タノール(1,98g)のジクロルメタン(10+al
)溶液を滴下し、反応液を水冷下で30分間攪拌する。IR (liquid film): 3420, 2980, 1700, 152
0.1245,1075ci-' NMR (CDCI23.δ): 1.34 (3H,s
), 1.47 (3H, s), 1.97 (I H, br
, s), 3.11 (2H, m), 3.5-4.5 (6H
, i), 5.12 (2H, s), 5.28 (IH, m)
, 7.33(5H,5)(iii) pyridine(6,23
Chromic anhydride (3.44 g) was added to a solution of m1) in dichloromethane (150 ml) over 10 minutes at a liquid temperature in the range of 10-15°C, and the mixture was stirred at room temperature for 1 hour. The reaction solution was heated to 8-10°C.
Under cooling, [2R,3S)-3-[(4R,5R)-5
-[(carbobenzoxyamino)methyl]-2,2-dimethyl-4-dioxolanyl]-2-oxiranyl]methanol (1,98 g) in dichloromethane (10+ al
) The solution was added dropwise, and the reaction mixture was stirred for 30 minutes under water cooling.
溶液をセライトを濾過助剤として濾過し、r液を約25
m1に濃縮し、n−ヘキサンと酢酸エチルの1=2混液
(100ml)を加える。溶液をセライトを濾過助剤と
して、濾過し?液を濃縮する。上記操作を2度繰り返し
褐色のシロップを得る。The solution was filtered through Celite as a filter aid, and the r liquid was
Concentrate to ml and add a 1=2 mixture of n-hexane and ethyl acetate (100 ml). Filter the solution using Celite as a filter aid? Concentrate the liquid. Repeat the above operation twice to obtain brown syrup.
得られたシロップをテトラヒドロフラン(50ml)に
溶解し、水冷下、(カルボエトキシメチレン)トリフェ
ニルホスホラン(2,05g)を加え、同温度で2時間
攪拌する。反応液を減圧下に濃縮し、残渣をシリカゲル
(60g)カラムクロマトグラフィーに付し、n−ヘキ
サン−エーテル(1:I)混液で溶出する。目的物を含
む分画を合し、溶媒を減圧留去し、エチル(E)−3−
[(2R,3S)−3−[(4R,5R)−5−[(カ
ルボベンゾキシアミノ)メチル]−2.2−ジメチルー
4−ジオキソラニル]=2−オキシラニルコアクリレー
ト(1,03g)の微黄色油状物を得る。The resulting syrup was dissolved in tetrahydrofuran (50 ml), and (carboethoxymethylene)triphenylphosphorane (2.05 g) was added under water cooling, followed by stirring at the same temperature for 2 hours. The reaction solution was concentrated under reduced pressure, and the residue was subjected to column chromatography on silica gel (60 g) and eluted with a mixture of n-hexane and ether (1:I). The fractions containing the target product were combined, the solvent was distilled off under reduced pressure, and ethyl (E)-3-
[(2R,3S)-3-[(4R,5R)-5-[(carbobenzoxyamino)methyl]-2,2-dimethyl-4-dioxolanyl]=2-oxiranyl coacrylate (1,03 g) A pale yellow oil is obtained.
IR(液膜):1710,1520.1245.121
5.1070cm″″重
NMR(CDCI23.δ):1.30(3H,t、J
=7Hz)、1.35(3H,s)、1.47(3H,
s)、2.8〜3.1(2H,m)、3.3〜3.9(
3H,n)、4.0〜4゜4(3H,a+)、5.11
(2H,s)、5.12(I H,m)。IR (liquid film): 1710, 1520.1245.121
5.1070 cm'' heavy NMR (CDCI23.δ): 1.30 (3H, t, J
=7Hz), 1.35 (3H, s), 1.47 (3H,
s), 2.8-3.1 (2H, m), 3.3-3.9 (
3H, n), 4.0-4°4 (3H, a+), 5.11
(2H,s), 5.12 (IH,m).
6.14(I H,d、J = 15Hz)、6.70
(I H,d、d。6.14 (I H, d, J = 15Hz), 6.70
(I H, d, d.
J=15Hz、7Hz)、7.34(5H,s)(iv
’ )エチル(E)−3−[(2R,3S)−3−[(
4R,5R)−5−[(カルボベンゾキシアミノ)メチ
ル]−2.2−ジメチルー4−ジオキソラニル]−2−
オキシラニルコアクリレート(22℃mg)をエタノー
ル(10ml)とトリフルオロエタノール(1ml)の
混液に溶解し、水素化ホウ素ナトリウム(300mg)
を加え、40分間加熱還流する。反応液を冷却後クロロ
ホルム(40ml)を加え、水、飽和食塩水で洗浄し、
硫酸マグネシウムで乾燥する。J = 15Hz, 7Hz), 7.34 (5H, s) (iv
' ) Ethyl (E)-3-[(2R,3S)-3-[(
4R,5R)-5-[(carbobenzoxyamino)methyl]-2,2-dimethyl-4-dioxolanyl]-2-
Oxiranyl coacrylate (mg at 22°C) was dissolved in a mixture of ethanol (10 ml) and trifluoroethanol (1 ml), and sodium borohydride (300 mg) was added.
and heated under reflux for 40 minutes. After cooling the reaction solution, chloroform (40 ml) was added, and the mixture was washed with water and saturated brine.
Dry with magnesium sulfate.
溶媒を減圧留去して得られる残渣をシリカゲル(15g
)カラムクロマトグラフィーに付し、n−ヘキサン−酢
酸エチル(3:1)混液で溶出する。目的物を含む分画
を合し、溶媒を減圧濃縮してエチル−3−[(2R,3
5)−3−[(4R,5R)−5−[(カルボベンゾキ
シアミノ)メチル]−2.2−ジメチルー4−ジオキソ
ラニル]−2−オキシラル]プロピオネート(109m
g)の微黄色油状物を得る。The residue obtained by distilling off the solvent under reduced pressure was fused with silica gel (15 g
) Subjected to column chromatography and eluted with a mixture of n-hexane and ethyl acetate (3:1). Fractions containing the target product were combined, the solvent was concentrated under reduced pressure, and ethyl-3-[(2R,3
5) -3-[(4R,5R)-5-[(carbobenzoxyamino)methyl]-2,2-dimethyl-4-dioxolanyl]-2-oxiral]propionate (109m
g) A pale yellow oil was obtained.
N M R(CD C123,δ):1.24(3H,
t、J=6H2)、1.31(3H,s)、1.45(
3H,s)、1.6〜2,1(2H,m)、2.44(
2H,t、J=7.5Hz)。NMR (CD C123, δ): 1.24 (3H,
t, J=6H2), 1.31(3H,s), 1.45(
3H,s), 1.6-2,1(2H,m), 2.44(
2H, t, J = 7.5Hz).
2.7〜3.0(2H,n+)、3.5〜3.7(3H
,m)、4゜13(2H,Q、J=6Hz)、4.24
(IH,m)、5.10(2H,s)5.20(I H
,m)7.32(5H,5)(v)zチル−3−[(2
R,3S)−3−[(4R。2.7-3.0 (2H, n+), 3.5-3.7 (3H
, m), 4°13 (2H, Q, J=6Hz), 4.24
(IH, m), 5.10 (2H, s) 5.20 (I H
, m)7.32(5H,5)(v)z-chill-3-[(2
R,3S)-3-[(4R.
5R)−5−[(カルボベンゾキシアミノ)メチル]−
2.2−ジメチルー4−ジオキソラニル]−2−オキシ
ラニル]プロピオネート(16,5mg)のエタノール
(2ml)溶液に10%パラジウム炭素(8mg)を加
え、3気圧の水素雰囲気下、室温で3時間振盪する。触
媒をr別後、シ戸液を4時間加熱還流し、溶媒を減圧留
去する。残渣をシリカゲル(2g)カラムクロマトグラ
フィーに付し、クロロホルム−メタノール(30:1)
で溶出する。目的物を含む分画を合し、溶媒を減圧留去
して(I S、2R,8R,8aR) −1,2−イソ
プロピリデンジオキシ−8−ヒドロキシ−イントリジジ
ー5−オン(3,80B)の微黄色シロップを得る。5R)-5-[(carbobenzoxyamino)methyl]-
2. Add 10% palladium on carbon (8 mg) to a solution of 2-dimethyl-4-dioxolanyl]-2-oxiranyl] propionate (16.5 mg) in ethanol (2 ml), and shake at room temperature for 3 hours under a hydrogen atmosphere of 3 atm. . After removing the catalyst, the Shito liquid was heated under reflux for 4 hours, and the solvent was distilled off under reduced pressure. The residue was subjected to silica gel (2 g) column chromatography, and chloroform-methanol (30:1)
Elutes with Fractions containing the target product were combined and the solvent was distilled off under reduced pressure to obtain (IS, 2R, 8R, 8aR) -1,2-isopropylidenedioxy-8-hydroxy-intrididi-5-one (3,80B). A pale yellow syrup is obtained.
IR(液膜):3360,1615,1370,120
5.1085cm−’
N M R(CD Cas 、δ): 1.33 (3
H,s)、 1.42(3H,s)、1.8〜2.3(
3H,m)、2.4〜2.6(2H,+e)、3.0〜
3.4(2H,m)、4.0〜4.3(2H,s)、4
.77(2H,a)
(vi)(I S、2R,8R,8aR)−1,2−イ
ソプロピリデンジオキシ−8−ヒドロキシ−インドリジ
ー5−オン(9、0mg)の無水テトラヒドロフラン(
l ml)溶液に水素化リチウムアルミニウム(3゜8
−g)を加え、室温で2時間攪拌する。反応液に水−テ
トラヒドロフラン(1:l)混液を加え、過剰の水素化
リチウムアルミニウムを分解した後、濃縮乾固する。残
渣をクロロホルム(10n+1)で抽出し、抽出液を飽
和食塩水で洗浄後、硫酸マグネシウムで乾燥する。溶媒
を減圧留去して、(!S。IR (liquid film): 3360, 1615, 1370, 120
5.1085 cm-' NMR (CD Cas , δ): 1.33 (3
H, s), 1.42 (3H, s), 1.8-2.3 (
3H, m), 2.4-2.6 (2H, +e), 3.0-
3.4 (2H, m), 4.0-4.3 (2H, s), 4
.. 77(2H,a) (vi)(IS,2R,8R,8aR)-1,2-isopropylidenedioxy-8-hydroxy-indolizi-5-one (9,0 mg) in anhydrous tetrahydrofuran (
Lithium aluminum hydride (3°8
-g) and stirred at room temperature for 2 hours. A mixture of water and tetrahydrofuran (1:l) is added to the reaction mixture to decompose excess lithium aluminum hydride, and then concentrated to dryness. The residue is extracted with chloroform (10n+1), and the extract is washed with saturated brine and dried over magnesium sulfate. The solvent was removed under reduced pressure (!S.
2R,8R,8aR)−1,2−イソプロピリデンデオ
キシ−8−ヒドロキシイントリジジン(6,8mg)を
得る。2R,8R,8aR)-1,2-isopropylidenedeoxy-8-hydroxyintrizidine (6.8 mg) is obtained.
Claims (1)
表等があります▼ または▲数式、化学式、表等があります▼ (式中、R^3は水素またはヒドロキシ保護基を意味す
る) で示される基、R^1およびR^2は、各々、独立して
、または両者が一緒になって形成するヒドロキシ保護基
を意味する] で示される化合物の保護基を脱離させることを特徴とす
る、式: ▲数式、化学式、表等があります▼ [式中、▲数式、化学式、表等があります▼は、前記と
同じである で示されるスワインソニンまたはその関連化合物の合成
法。(1) Formula: ▲There are mathematical formulas, chemical formulas, tables, etc.▼ [In the formula, ▲There are mathematical formulas, chemical formulas, tables, etc.▼] Formula: ▲There are mathematical formulas, chemical formulas, tables, etc.▼, ▲Mathematical formulas, chemical formulas,
There are tables, etc. ▼ or ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ (In the formula, R^3 means hydrogen or hydroxy protecting group) The groups R^1 and R^2 are each independent or a hydroxy protecting group formed by both of them together] A formula characterized by removing the protecting group of a compound represented by: ▲There are mathematical formulas, chemical formulas, tables, etc.▼ [Formula Inside, ▲ includes mathematical formulas, chemical formulas, tables, etc. ▼ is the same as above. Method for synthesizing swainsonine or its related compounds.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60069627A JPS61227566A (en) | 1985-04-01 | 1985-04-01 | Synthesis of swainsonine and relating compound |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60069627A JPS61227566A (en) | 1985-04-01 | 1985-04-01 | Synthesis of swainsonine and relating compound |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61227566A true JPS61227566A (en) | 1986-10-09 |
Family
ID=13408289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60069627A Pending JPS61227566A (en) | 1985-04-01 | 1985-04-01 | Synthesis of swainsonine and relating compound |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61227566A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0202661A2 (en) * | 1985-05-24 | 1986-11-26 | Merrell Dow Pharmaceuticals Inc. | Isolation of castanospermine and its use as an antidiabetic agent |
US5017563A (en) * | 1988-06-23 | 1991-05-21 | Merrell Dow Pharmaceuticals Inc. | Castanospermine esters and glycosides |
US5385911A (en) * | 1990-12-18 | 1995-01-31 | Merrell Dow Pharmaceuticals Inc. | Anti-herpes castanospermine esters |
US5962467A (en) * | 1995-06-07 | 1999-10-05 | Glycodesign, Inc. | Derivatives of swainsonine and their use as therapeutic agents |
US6048870A (en) * | 1996-10-01 | 2000-04-11 | Glycodesign | 3, 5, and/or 6 substituted analogues of swainsonine processes for their preparation and their use as therapeutic agents |
US6051711A (en) * | 1997-10-24 | 2000-04-18 | Glycodesign Inc. | Synthesis of swainsonine salts |
US6395745B1 (en) | 1997-04-15 | 2002-05-28 | Glycodesign, Inc. | Alkaloid halide salts of swainsonine and methods of use |
-
1985
- 1985-04-01 JP JP60069627A patent/JPS61227566A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0202661A2 (en) * | 1985-05-24 | 1986-11-26 | Merrell Dow Pharmaceuticals Inc. | Isolation of castanospermine and its use as an antidiabetic agent |
US5017563A (en) * | 1988-06-23 | 1991-05-21 | Merrell Dow Pharmaceuticals Inc. | Castanospermine esters and glycosides |
US5385911A (en) * | 1990-12-18 | 1995-01-31 | Merrell Dow Pharmaceuticals Inc. | Anti-herpes castanospermine esters |
US5962467A (en) * | 1995-06-07 | 1999-10-05 | Glycodesign, Inc. | Derivatives of swainsonine and their use as therapeutic agents |
US6048870A (en) * | 1996-10-01 | 2000-04-11 | Glycodesign | 3, 5, and/or 6 substituted analogues of swainsonine processes for their preparation and their use as therapeutic agents |
US6395745B1 (en) | 1997-04-15 | 2002-05-28 | Glycodesign, Inc. | Alkaloid halide salts of swainsonine and methods of use |
US6051711A (en) * | 1997-10-24 | 2000-04-18 | Glycodesign Inc. | Synthesis of swainsonine salts |
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