WO2003006448A1 - Procede de production d'un derive de benzofuranne - Google Patents
Procede de production d'un derive de benzofuranne Download PDFInfo
- Publication number
- WO2003006448A1 WO2003006448A1 PCT/JP2002/007045 JP0207045W WO03006448A1 WO 2003006448 A1 WO2003006448 A1 WO 2003006448A1 JP 0207045 W JP0207045 W JP 0207045W WO 03006448 A1 WO03006448 A1 WO 03006448A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substituent
- ring
- formula
- group
- salt
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
-
- 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
Definitions
- the present invention relates to a method for producing a benzofuran derivative, particularly an industrially advantageous method for producing a compound having an amino group or a condensed cyclic amino group which may be substituted at the 5-position of 2,3-dihydrobenzofuran. Brightness related. Background art
- the present invention provides a novel method for producing a benzofuran derivative having a 2,3-dihydrobenzofuran ring, and in particular, a benzene such as a substituted amino group or an isodindolyl group at the 5-position of the 2,3-dihydrobenzofuran ring.
- a benzene such as a substituted amino group or an isodindolyl group at the 5-position of the 2,3-dihydrobenzofuran ring.
- Ring condensed cyclic amino group An object of the present invention is to provide a new production method suitable for industrial production, which is efficient and convenient, for a compound having Summary of the Invention
- the present inventors have conducted intensive studies in order to achieve the above object, and as a result, have found an efficient and simple method for constructing a 2,3-dihydrobenzofuran ring, and have found that a 2,3-dihydrobenzozofuran ring can be located at a higher position.
- the 5-position was halogenated, and it was found that the Haussi atom was easily replaced by an amine derivative, and the present invention was completed.
- R 1 and R 2 are the same or different and each represents a hydrogen atom, a hydrocarbon group which may have a substituent or a heterocyclic group which may have a substituent, or R 1 and R 2 may form a 3- to 8-membered homo- or heterocyclic ring which may have a substituent together with the adjacent carbon atom, ⁇ represents a halogen atom, and ⁇ represents a group other than ⁇ Represents a benzene ring which may further have a substituent, and ring B represents a benzene ring which may have a substituent.
- ring C represents a benzene ring which may have a substituent
- ring D may be substituted with a halogen or a hydrocarbon group which may have a substituent.
- R 3 is substituted with (1) a hydrogen atom, (2) an optionally substituted aromatic group, and further has an optionally substituted aliphatic hydrocarbon group or (3) substituent.
- R 4 represents a hydrogen atom, a hydrocarbon group which may have a substituent or an acyl group, or R 3 and R 4 represent adjacent nitrogen It may form a 4- to 8-membered nitrogen-containing ring which may have a substituent together with the atom.
- ring A represents a benzene ring which may further have a substituent other than W, and other symbols have the same meanings as described above.
- W is 2, 3 compounds located at the 5-position of the dihydro base Nzofuran ring or said to produce a its salt (1)
- R 1 and R 2 are the same or different and each represent a hydrogen atom, may have a substituent, may have a hydrocarbon group or a substituent, and may represent a heterocyclic group. there have may form a 8-membered homocyclic or heterocyclic ring to 3 which may have a substituent together with the carbon atom adjacent R 1 and R 2 forces, a ring further than R 3 HN
- B ring represents a benzene ring which may have a substituent
- R 3 is a hydrogen atom
- 2 may have a substituent.
- Equation (4)
- R 1 and R 2 are the same or different and each represent a hydrogen atom, may have a substituent, may have a hydrocarbon group or may have a substituent, and represents a heterocyclic group. Or R 1 and R 2 may form a 3- to 8-membered homo- or heterocyclic ring which may have a substituent together with an adjacent carbon atom, and ⁇ represents a halogen atom; The ring represents a benzene ring which may have a substituent in addition to ⁇ , and the ring B represents a benzene ring which may have a substituent.
- Y ′ represents a hydrogen atom or a halogen atom
- ring A represents a benzene ring which may have a substituent other than Y ′
- other symbols have the same meanings as described above.
- the salt thereof is subjected to a ring-closure reaction in the presence of an acid, and when Y ′ is a hydrogen atom, the reaction product is further halogenated to produce the compound.
- R 1 and R 2 are the same or different and each represents a hydrogen atom, a hydrocarbon group which may have a substituent or a heterocyclic group which may have a substituent, or Is the R 1 and R 2 forces together with adjacent carbon atoms which may have a substituent 3 to 8
- Y ′ represents a hydrogen atom or a halogen atom
- ring A represents a benzene ring which may further have a substituent other than Y ′
- ring B Represents a benzene ring which may have a substituent.
- Equation (6)
- R 1 and R 2 are the same or different and each represents a hydrogen atom, a hydrocarbon group which may have a substituent, or a heterocyclic group which may have a substituent.
- R 1 and R 2 may form a 3- to 8-membered homo- or heterocyclic ring which may have a substituent together with adjacent carbon atoms
- Y ′ represents a hydrogen atom or a halogen atom
- a The ring represents a benzene ring which may have a substituent in addition to Y, and the ring represents a benzene ring which may have a substituent.
- X represents a halogen atom or ⁇ _S 0 2 R (R represents an alkyl group or location good C 6 one! 4 Ariru group which may have a substituent.), And other symbols Previous The meaning is the same as the above.
- the method according to the above (5) which is produced by reacting the compound represented by the formula (I) or a salt thereof in the presence of a base, and
- Equation (7)
- R 1 and R 2 are the same or different and each represents a hydrogen atom, a hydrocarbon group which may have a substituent, or a heterocyclic group which may have a substituent.
- R 1 and R 2 force may have a substituent together with an adjacent carbon atom, may form a 3- to 8-membered homo- or heterocyclic ring
- Y represents a halogen atom
- ring A is other than Y
- ring B represents a benzene ring which may have a substituent.
- Y represents a hydrogen atom or a halogen atom
- a ⁇ ring represents a benzene ring which may have a substituent in addition to ⁇ , and the other symbols have the same meanings as described above.
- the present invention also provides these novel compounds. Detailed description of the invention
- hydrocarbon group of the “hydrocarbon group which may have a substituent” represented by R 1 or R 2
- a linear or cyclic hydrocarbon group eg, alkyl, Alkenyl, alkyl, cycloalkyl, aryl, etc.
- a chain or cyclic hydrocarbon group having 1 to 16 carbon atoms is preferable.
- Alkyl J for example, - 6 alkyl or the like (e.g., methyl, Echiru, propyl, isopropyl Honoré, heptyl, Isobuchinore, sec- heptyl, tert- butyl, pentyl, hexyl and the like to) preferred.
- the - "Aruke Le” for example C 2 one 6 alkenyl (e.g., Biel, Ariru, Isopurobe - Le, butenyl, Isobuteyuru, sec- Buteyuru etc.) and the like are preferable.
- alkynyl for example C 2 one 6 alkynyl (e.g., Echiniru, prop Rugiru, heptynyl, 1 one to hexynyl etc.) and the like are preferable.
- Cycloalkyl for example C 3 one C6cycloalkyl like (eg, Shikuropu port pills, cyclobutyl, cyclopentyl, cyclohexyl and the like cyclohexane) are preferred.
- Ariru for example, Hue - Le, 1 one-naphthyl, 2-Nafuchinore, Bifue two Lil, 2-anthryl etc.
- Ariru e.g., Hue - Le, 1 one-naphthyl, 2-Nafuchinore, Bifue two Lil, 2-anthryl etc.
- Examples of the “substituent” of the “hydrocarbon group which may have a substituent” represented by R 1 or R 2 include (1) a halogen atom (eg, fluorine, chlorine, bromine, iodine, etc.), ( 2) 0, _ 3 anolexylene dioxy (eg, methylenedioxy, ethylenedioxy, etc.), (3) -toro, (4) cyano, (5) halogenated _ 6 alkyl, (6) halogen which may be of C 2 - 6 Aruke - le, it has been (7) halogenated Which may C 2 - 6 alkynyl, (8) Harogenihi which may be C 3 - 6 Shikuroa alkyl, (9) C 6 _ t 4 Ariru (e.g., phenyl, 1 _ Nafuchinore, 2 _ naphthyl, Bifue two Lil, 2-anthryl, etc.), (10) optionally halogenated
- the ⁇ hydrocarbon group '' may have, for example, 1 to 5, preferably 1 to 3 of the above substituents at substitutable positions, and when the number of the substituents is 2 or more, each substituent is They may be the same or different.
- halogenated 16- anoalkyl examples include those having 1 to 5, preferably 1 to 3 halogen atoms (eg, fluorine, chlorine, bromine, iodine, etc.).
- Good- 6 alkyl eg, methyl, ethyl, propynole, isopropynole, butyl, isoptinole, sec-butyl, tert-butyl, pentyl, hexyl, etc.
- Specific examples include methyl, chloromethinole, difluoromethyl, trichloromethinole, trifluoromethyl, ethyl, 2-promoethyl, 2,2,2-trifluoroethyl, pentafunorolechotin, propinole, 3, 3,3-Trifluoropropyl, isopropyl, butyl, 4,4,4-trifluorobutyl, isobutyl, sec-butinole, tert-butynole, pentinole, isopentinole, neopentinole, 5,5,5-trifnoleopentopenole, hexinole , 6, 6, 6— Rifluo hexyl and the like.
- one 6 optionally Arukeninore for example, 1 to 5, preferably 1 to 3 halogen atoms have (e.g., fluorine, chlorine, bromine, ® ⁇ arsenide) a good C 2 even though one 6 Aruke - Le (eg, Bulle, Ariru, iso propenyl, Buteyuru, Isobuteyuru, sec - Buteyuru like).
- Aruke - Le eg, Bulle, Ariru, iso propenyl, Buteyuru, Isobuteyuru, sec - Buteyuru like.
- Specific examples include bur, aryl, isopropenyl, butenyl, isobutenyl, sec-butyl, 3,3,3-trifluoro-1-propenyl, 4,4,4-trifuranol and 1-butenyl.
- the "optionally halogenated be c 2 - 6 alkynyl” includes, for example 1 to 5, preferably 1 to 3 halogen atoms have (e.g., fluorine, chlorine, bromine, ® ⁇ arsenide) a which may be C 2 one 6 Arukieru (eg, Echuru, Puroparugi Le, Buchuru, 1 one to Kishuru etc.) and the like. Specific examples include ethynyl, propanolegyl, petinole, 11-hexinole, 3,3,3-trifluoro-l-one-sided mouth, 4,4,41-trifluoro-l-butyl, and the like.
- the "optionally halogenated good C 3 - 6 cycloalkyl” includes, 1 For example to 5, preferably 1 to 3 halogen atoms have (e.g., fluorine, chlorine, bromine, iodine) and good C 3 _ 6 cycloalkyl optionally have, and the like (eg, Shikuropuro pills, cyclobutyl, consequent opening pentyl, hexyl or the like to the consequent opening).
- cyclopropinole cyclobutyl, cyclopentinole
- cyclohexylene 4,4-dichlorocyclohexyl, 2,2,3,3-tetrafluorocyclopentyl, and 4-cyclohexyl, etc. Is mentioned.
- halogenated- 6- anoreoxy may have, for example, 1 to 5, preferably 1 to 3 halogen atoms (eg, fluorine, chlorine, bromine, iodine, etc.).
- _ 6 alkoxy eg, methoxy, ethoxy, propoxy, isopropoxy, butoxy, isoptoxy, sec-butoxy, pentoxy, hexoxy, etc.
- Specific examples include, for example, methoxy, diphnoleomethoxy, trifluorome1, xy, ethoxy, 2,2,2-trifluoroethoxy, propoxy, isopropoxy, butoxy, 4,4,4-trifluorobutoxy, isobutoxy, sec -Putoxy, pentyloxy, hexyloxy Xy and the like.
- halogenated C i _ 6 alkylthio includes, for example 1 to 5, have preferably have 1 to 3 halogen atoms (e.g., fluorine, chlorine, a bromine, iodine) and and may - theta alkylthio (e.g., methylthio, E Chiruchio, propylthio, isopropylthio, Puchiruchio, sec- Puchiruchio, tert- Puchiruchio etc.) and the like.
- halogen atoms e.g., fluorine, chlorine, a bromine, iodine
- - theta alkylthio e.g., methylthio, E Chiruchio, propylthio, isopropylthio, Puchiruchio, sec- Puchiruchio, tert- Puchiruchio etc.
- Specific examples include methylthio, difluromethylthio, trifnoroleolomethylthio, ethylthio, propylthio, isopropylthio, butylthio, 4,4,4-trifluorofluorothio, pentylthio, hexylthio and the like.
- reel sulfonyl e.g., Fueninoresu / Rehoninore, 1 one Nafuchinore sulfonyl, 2-naphthylsulfonyl, etc.
- C x _ 6 alkylsulfinyl e.g., methyl scan Honoré Fi El, E chill sulfide El, etc.
- C 6 _ x Arirusu And rufiyenole (eg, phenylsulfiel, 11-naphthylsulfiel, 21-naphthinolesphenol) and the like.
- acylamino examples include formylamino, di- 6- alkyl-1-carboninoleamino (eg, acetylamino), C 6 _! 4 Ariru one carbonylation Honoré Amino (e.g., Hue - Rukarupo - Ruamino, naphthylcarbonyl ⁇ amino etc.), C 1 one 6 alkoxy one carbonitrile disappear ⁇ amino (e.g., main Tokishikarubo - Ruamino, Etoki aryloxycarbonyl ⁇ Mino, propoxy Karni Rua Mino, butoxide Shikano repo perilla les amino, etc.), C x _ 6 alkylsulphonyl ⁇ amino (e.g., methylsulfonyl El ⁇ Mino, E Ji Le sulfonyl ⁇ amino, etc.), c 6 one 1 4 ⁇ reel sulfonyl ⁇ amino (e.g.
- _ 6 alkyl one carbonyl O carboxymethyl (eg, Asetokishi, propionyl Ruo carboxy, etc.), C 6 _! (4) Aryl-l-oxyloxy (eg, benzoyloxy, naphthylcarbonyloxy, etc.), c- 6- alkoxy-yloxycarbonyl (eg, methoxy-carboxy, ethoxycarboxy-noroxy, propoxy-zolebonyloxy, butoxycarbonyloxy, etc.) , Thing
- Examples of the “5- to 7-membered saturated cyclic amino” of the “5- to 7-membered saturated cyclic amino which may have a substituent” include, for example, monoreholino, thiomorpholino, piperazin-11-yl, piperidino, pyrrolidine-1-1. And the like.
- Examples of the “substituent” of the “optionally substituted 5- to 7-membered saturated cyclic amino” include, for example, C!
- C 6 _ 14 T reel eg, phenyl, Naphthyl, 2-naphthinole, biphenylyl, 2-anthryl, etc.
- 5- to 10-membered aromatic heterocyclic group eg, 2 _ or 3 _ phenyl, 2, 3 _ or 4 pyridyl, 2, 3-, 4-, 5- or 8-quinolyl, 1
- heterocyclic group of the “heterocyclic group optionally having substituent (s)” for R 1 or R 2 , a heteroatom selected from a nitrogen atom, a sulfur atom and an oxygen atom besides a carbon atom And a 5- to 14-membered heterocyclic group containing from 4 to 4 (an aromatic heterocyclic group, a saturated or unsaturated non-aromatic heterocyclic group) and the like.
- aromatic heterocyclic group for example, a 5- to 14-membered member containing one or more (eg, 1 to 4) heteroatoms selected from a nitrogen atom, a sulfur atom and an oxygen atom in addition to a carbon atom, preferably Is a 5- to 10-membered aromatic heterocyclic group.
- a 5- to 14-membered member containing one or more (eg, 1 to 4) heteroatoms selected from a nitrogen atom, a sulfur atom and an oxygen atom in addition to a carbon atom, preferably Is a 5- to 10-membered aromatic heterocyclic group.
- aromatic heterocyclic group examples include a 5- or 6-membered aromatic heterocyclic group which may be condensed with one benzene ring.
- non-aromatic heterocyclic group examples include, for example, oxilael, azetidinyl, oxetaneninole, thieta-nore, pyrrolidinole, tetrahydrofurinole, thiolaninole, piperidyl, tetrahydrovinylanil, morpholinyl, thiomorpholinyl, piperazinyl, etc.
- a 5-membered (preferably 5- or 6-membered) saturated or unsaturated (preferably saturated) non-aromatic heterocyclic group aliphatic heterocyclic group).
- R 1 or R 2 of the “optionally substituted heterocyclic group” may have a “substituent represented by R 1 or R 2 carbide The same number as the “substituent” of the “hydrogen group” is used.
- Examples of the “3- to 8-membered homocyclic ring” of the “3- to 8-membered homocyclic ring optionally having substituent (s)” formed by R 1 and R 2 include, for example, cyclopropane, cyclobutane, pentane, C 3 of cyclohexane and the like cyclo - 8 cycloalkanes, and the like.
- the “3- to 8-membered heterocyclic ring” of the “optionally substituted 3- to 8-membered heterocyclic ring” formed by R 1 and R 2 includes, for example, aziridine, azetidine, morpholine, thiomonoreforin, Perzine, piperidine, pyrrolidine, hexamethyleneimine, heptamethyleneimine, hexahydropyrimidine, etc. In addition to carbon atoms, contain 1 to 4 heteroatoms selected from nitrogen, sulfur and oxygen. 8-membered heterocycles are mentioned.
- the “substituent” of the “optionally substituted 3- to 8-membered homo or heterocyclic ring” formed by R 1 and R 2 the “substituted” represented by the aforementioned R 1 or R 2
- the same number as the “substituent” of the hydrocarbon group j which may have a group is used.
- Y represents a halogen atom
- Y represents a halogen atom or a hydrogen atom.
- Examples of the halogen atom represented by ⁇ and Y ′ include fluorine, chlorine, bromine, iodine and the like.
- ring A represents a benzene ring which may further have a substituent other than the substituents shown in the formula (that is, ⁇ , ⁇ ′, W or R 3 HN—).
- substituent the same as the “substituent” of the “hydrocarbon group which may have a substituent” represented by the above R 1 or R 2 can be substituted by 1 to 3 at the substitutable position. (Preferably 2 or 3), and when the number of substituents is 2 or more, each substituent may be the same or different.
- Ring B represents a benzene ring which may be substituted, and the substituent is the same as the ⁇ substituent '' in the ⁇ hydrocarbon group which may have a substituent '' represented by R 1 or R 2 above. And when the number of substituents is 2 or more, each substituent may be the same or different.
- ring C represents a benzene ring which may have a substituent
- ring D may be substituted with a halogen or a hydrocarbon group which may have a substituent.
- R 3 represents (1) a hydrogen atom, (2) an aromatic group which may be substituted, and an aliphatic hydrocarbon group which may further have a substituent.
- an acyl group containing an aromatic group which may have a substituent R 4 represents a hydrogen atom, a hydrocarbon group which may have a substituent or an acyl group; And 3 and R 4 may form a 4- to 8-membered ring which may have a substituent together with an adjacent nitrogen atom.
- the ⁇ optionally substituted benzene ring '' represented by the ring C in the formula Wa the ⁇ optionally substituted benzene '' represented by the above R 1 or R 2 1 to 4 substituents at the substitutable position (Preferably 1 or 2).
- substituents may be the same or different.
- Examples of the “5- to 7-membered nitrogen-containing heterocyclic ring” represented by the ring D include pyrrole (eg, 1H-pyrrole), dihydropyrrole (eg, 2,5-dihydro-1H-pyrromonoole), dihydropyridine (Eg, 1,2-dihydropyridine etc.), tetrahydropyridine (eg, 1,2,3,4-tetrahydropyridine etc.), azepine (eg, 1H-azepine etc.), dihydroazepine (eg, 2,3-dihydro- 1H-azepine, 2,5-dihydro-1H-azepine, 2,7-dihydro_1H-azepici, etc., tetrahydroazepine (eg, 2,3,6,7-tetrahydro-1H-azepine, 2,, 5-, 7-membered nitrogen-containing complex rings such as 3,4,7-tetrahydro
- halogen as the “substituent” which the ring D may have include, for example, fluorine, chlorine, bromine, iodine and the like.
- Ring D may have 1 to 3 of these substituents at substitutable positions. When the number of substituents is 2 or more, each substituent may be the same or different.
- Examples of the “aromatic group” of the “aromatic group optionally having substituent (s)” include an aromatic hydrocarbon group, an aromatic heterocyclic group and the like.
- aromatic hydrocarbon group examples include a monocyclic or condensed polycyclic (bi- or tricyclic) aromatic hydrocarbon group having 6 to 14 carbon atoms. Specific examples include C 6- ! Such as phenyl, 1-naphthinole, 2-naphthyl, biphenylil, and anthryl. 4- aryl, preferably C 6 -j such as phenyl, 1-naphthyl, 2-naphthyl and the like. And reels.
- the “aromatic heterocyclic group” includes, for example, one or more (eg, 1 to 4) heteroatoms selected from a nitrogen atom, a sulfur atom, and an oxygen atom in addition to a carbon atom.
- examples thereof include a 5- to 14-membered, preferably 5- to 10-membered, aromatic heterocyclic group.
- An aromatic heterocyclic ring such as phenoxazine, or a ring formed by condensing one or more (preferably one or two) aromatic rings (preferably
- aromatic heterocyclic group examples include a 5- or 6-membered aromatic heterocyclic group which may be condensed with one benzene ring.
- Specific examples include 2-, 3- or 4-pyridyl, 2-, 3-, 4-, 5- or 8-quinolyl, 1-, 3-, 4- or 5-isoquinolyl, 1-, 2- or 3-indolyl, 2-benzothiazolinole, 2-benzo [b] cheninole, benzo [b] furani ⁇ 2- or 3-chel, and the like. More preferably, 2- or 3-Chenyl, 21-, 3- or 4-pyridyl, 2- or 3-quinolyl, 1-isoquinolyl, 1
- ⁇ aliphatic hydrocarbon group '' of the ⁇ aliphatic hydrocarbon group substituted with an aromatic group which may have a substituent and optionally further having a substituent '' represented by R 3 For example, alkyl, alkenyl, alkiel, cycloalkyl and the like can be mentioned. Even inside — Alkyl, C 2 —. Alkenyl, C 2 — D. Archiel, C
- Cycloalkyl and the like are preferred.
- alkyl for example, 16- alkyl (eg, methyl, ethyl, propynole, isopropinole, petitnole, isobutynole, sec-butynole, tert-butynole, pentynole, hexyl, etc.) and the like are preferable.
- Alkenyl j for example, C 2 one 6 alkenyl (e.g., Bulle, Ariru, isopropenyl Ninore, butenyl, Isobutenore, sec- heptenyl and the like) and the like are preferable.
- alkynyl for example, C 2 - 6 alkynyl such as (e.g., Echiniru, prop Rugiru, Buchuru, Kisheru like to 1) is preferable. ,
- Cycloalkyl for example, C 3 _ 6 cycloalkyl, etc. (eg, Shikuropu port pills, cyclobutyl, cyclopentyl, cyclohexyl and the like cyclohexane) are preferred. Among them, - 6 alkyl is preferred.
- the “aliphatic hydrocarbon group” has at least one “optionally substituted aromatic group” at a substitutable position. It may further have one or two such aromatic groups, and when the number of substituents is two or more, each substituent may be the same or different.
- the ⁇ acyl group '' of the ⁇ acyl group containing an aromatic group which may have a substituent '' represented by R 3 the ⁇ acyl group represented by R 1 or R 2 ''
- R 1 or R 2 '' As the “substituent” of the “good hydrocarbon group”, the same as the “acyl group” can be used.
- an optionally substituted aromatic group of "Ashiru group containing an optionally substituted aromatic group” represented by R 3, represented by R 3 'substituted An aromatic group which may have a substituent '' of the ⁇ aliphatic hydrocarbon group which has an aromatic group which may have a group and further has a substituent ''; Similar ones are used.
- 6- aralkyloxycarbonyl eg, benzyloxycarbonyl, phenethyloxycarbonyl, etc.
- 5- or 6-membered heterocyclic carbonyl eg, nicotinoyl, isonicotinoyl, 2-tenoyl, 3-tenoinole, 2-furoyl, 3-furoyl , Morpholino-caprolponyl, thiomorpholinocarbonyl, piperidinocarbon, 1-pyrrolidylcarbonyl, etc.
- Allinole-canolebamoinole eg, phenylcarbamoyl, 1-naphthinole, rubamoyl, 2-naphthylcarbamoyl, etc.
- 5- or 6-membered heterocyclic ring eg, 2-pyridylcarbamoyl, 3-
- aryls / levonyl eg, phenylsulfonyl, 11-naphthylsulfonyl, 21-naphthylsulfonyl, etc.
- C 6 _ 1 -arylsulfinyl eg, phenylsulfinyl, 1-naphthinolesulfinyl, 21-inch
- naphthylsulfinyl eg, phenylsulfonyl, 11-naphthylsulfonyl, 21-naphthylsulfonyl, etc.
- Examples of the “optionally substituted hydrocarbon group” represented by R 4 include the same groups as the aforementioned “optionally substituted hydrocarbon group” represented by R 1 or R 2 However, as the “acyl group”, the same as the “acyl group” as the “substituent” of the “hydrocarbon group which may have a substituent” represented by R 1 or R 2 above Is used. .
- Examples of the “4- to 8-membered nitrogen-containing ring” of the “optionally substituted 4- to 8-membered nitrogen-containing ring” formed by R 3 and R 4 together with the adjacent nitrogen atom include, for example, azetidine , Monorephorin, pyrrolidine, hexamethyleneimine, heptamethyleneimine, hexahydropyrimidine, pyrrole (eg, 1H-pyrrole, etc.), dihydropyrroline (eg, 2,5-dihydro-1H-pyrrole) ), Dihydropyridine (eg, 1,2-dihydropyridine etc.), piperidine, piperazine, azepine (eg, 1H-azepine etc.), dihydroazepine (eg, 2,3-dihydro_1) Zezepine, 2,5-dihydro 1 azepine, 2,7-dihydro 1 H-acepine, etc., tetrahydro do
- X represents a halogen atom or OS 0 2 R (R is one 6 alkyl group or an optionally substituted C s primary, 4 Ariru group).
- the halogen atom include fluorine, chlorine, bromine, iodine and the like.
- R is also denoted by R.
- the e- 6 alkyl group include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, hexinole, and the like.
- Optionally substituted C 6 -, 4 Ariru group represented by R in - as the “C 6 4 Ariru group”, for example, Fueeru, 1 one Nafuchinore, 2-naphthyl, Biff Eniriru, 2 —Anthryl and the like, and the “substituent” is the same as the “substituent” in the “optionally substituted hydrocarbon group” for R 1 or R 2 above. Used.
- Examples of the salt of the compound represented by the above formula include a metal salt, an ammonium salt, a salt with an organic base and the like in a case having an acidic group such as COOH, and a salt in a case of having a basic group such as _N H 2.
- Other internal salts such as salts with inorganic acids, organic acids, basic or acidic amino acids and the like may be used.
- the metal salt include an alkali metal salt such as a sodium salt and a potassium salt; an alkaline earth metal salt such as a calcium salt, a magnesium salt and a barium salt; and an aluminum salt.
- salt with an organic base examples include, for example, trimethylamine, triethylamine, pyridine, picolin, ethanolamine, diethanoreamine, triethanolamine, dicyclohexylamine, N, N-dibenzylethylenediamine.
- salts with amines Preferable examples of salts with inorganic acids include salts with hydrochloric acid, hydrobromic acid, nitric acid, sulfuric acid, phosphoric acid and the like.
- Preferred examples of the salt with an organic acid include, for example, formic acid, acetic acid, trifinoleoacetic acid, fumaric acid, oxalic acid, tartaric acid, maleic acid, citric acid, succinic acid, malic acid, methanesnolefonic acid, benzenesnolefonic acid, p-Tonorensulfonate and the like.
- Preferred examples of the salt with a basic amino acid include, for example, salts with arginine, lysine, orditin and the like.
- Preferred examples of the salt with an acidic amino acid include, for example, aspartic acid, glutamic acid, and the like. Salt You.
- salts are preferred.
- the compound when it has an acidic functional group, it may be used in combination with an alkali metal salt (eg, a sodium salt, a potassium salt, etc.), an alkaline earth metal salt (eg, a calcium salt, a magnesium salt, a parium salt, etc.)
- Inorganic salts such as salts, ammonium salts, etc.
- inorganic salts such as hydrochloride, sulfate, phosphate, hydrobromide, or acetate, maleate
- Organic salts such as oxalate, fumarate, succinate, methanesulfonate, p-toluenesulfonate, citrate and tartrate.
- the production method of the present invention is represented by the following reaction formula 1.
- reaction Scheme 1 first, compound (II) and compound (III) are reacted with the presence of a base to produce compound (IV).
- the reaction is usually performed in a solvent.
- the solvent may be any solvent as long as it does not inhibit the reaction. Examples of the solvent include alcohols (eg, methanol, ethanol, propanol, isopropanol, butanol, tert-butanol, methoxhetanol, etc.).
- Genated hydrocarbons eg, dichloromethane, chlorophoronem, 1,2-dichloroethane, 1,1,2,2-tetrachloroethane, etc.
- aromatic hydrocarbons eg, benzene, toluene, xylene, benzene
- Dichlorobenzene nitrobenzene, etc.
- ethers eg, ethyl ether, isopropyl ether, tert-butyl methyl ether, tetrahydrofuran, dioxane, etc.
- nitriles eg, acetonitrile, propiotrile, etc.
- esterolone Eg, methyl acetate, ethyl acetate, propionate
- dimethylformamide dimethinoleacetamide, N-methylpyrrolidone, dimethylsulfoxide, Hexamethylphosphoramide and the like are used.
- Examples of the base include tertiary amines (eg, trimethylamine, triethylamine, triptylamine, N-ethyldiisopropylamine, N-methylmorpholine, DBU (1,8-diazabicyclo [5.4.0]).
- tertiary amines eg, trimethylamine, triethylamine, triptylamine, N-ethyldiisopropylamine, N-methylmorpholine, DBU (1,8-diazabicyclo [5.4.0]).
- DBU 1,8-diazabicyclo [5.4.0]
- aromatic amines eg, pyridine, picoline, quinoline, N, N-dimethylaniline, etc.
- alkali metal carbonate For example, sodium hydrogen carbonate, potassium carbonate, sodium carbonate, cesium carbonate, etc.
- alkali metal hydroxide eg, potassium hydroxide, sodium hydroxide, calcium hydroxide, etc.
- compound (III) and base to be used are respectively 1 to 10 equivalents, preferably 1 to 5 equivalents, relative to compound (II).
- the reaction temperature is usually from 120 to 150 ° C, preferably from 110 to 100 ° C.
- the reaction time is generally 30 minutes to 24 hours, preferably 1 hour to 24 hours.
- Examples of the reducing agent used in the present reduction reaction include metal hydrides (eg, 7
- metal hydrides eg, 7
- metal hydride complexes for example, lithium aluminum hydride, sodium borohydride, lithium borohydride, sodium aluminum bis (2-methoxyethoxy) hydride, sodium borohydride cyanide, and diborane are used.
- the reaction is usually performed in a solvent.
- the solvent may be any solvent as long as it does not inhibit the reaction.
- examples of the solvent include alcohols (eg, methanol, ethanol, propanol, isopropanol, butanol, tert-butanol, methoxyethanol, etc.), halogenated hydrocarbons (eg, Dichloromethane, chloroform, 1,2-dichloromethane, 1,1,2,2-tetrachloroethane, etc., aromatic hydrocarbons (eg, benzene, toluene, xylene, etc.), ethers (eg, , Ethynoleether, isopropynoleether, tert-butynolemethinoleether, tetrahydrofuran, dioxane, etc.), dimethylformamide, dimethylacetamide, N-methylpyrrolide Dimethylsulfoxide, hexamethylphosphoramide and the like are used. These
- the amount of the reducing agent to be used is 5 to 10 equivalents, preferably 1 to 5 equivalents, relative to compound (IV), respectively.
- the reaction temperature is usually from 150 to 150 ° C, preferably from 10 to 100 ° C;
- the reaction time is generally 15 minutes to 24 hours, preferably 0.5 hours to 15 hours.
- reduction can also be carried out by hydrogenation (catalytic reduction) using a catalyst.
- the catalyst used in the present catalytic reduction include Raney nickel, platinum oxide, platinum black, platinum carbon, palladium chloride, palladium black, palladium carbon and the like.
- the amount of the catalyst to be used is 0.01 to 200%, preferably 0.05 to 100%, based on the weight of compound (IV).
- the hydrogenation is usually carried out under normal pressure to 2 OMPa, preferably at normal pressure to 1 OMPa.
- the reaction is usually performed in a solvent.
- the solvent may be any solvent as long as it does not inhibit the reaction.
- the solvent include alcohols (eg, methanol, ethanol, propanol, isopropanol, butanol, tert-butanol, methoxyethanol, etc.), halogenated hydrocarbons ( Examples: dichloromethane, chloroform, 1,2-dichloromethane, 1,1,2,2-tetrachloroethane, etc., aromatic hydrocarbons (eg, benzene, toluene, xylene, etc.), ethers (Eg, ethyl ether, isopropyl ether, tert-peptinolemethinoleatenole, tetrahydrofuran, dioxan, etc.), dimethylformamide, dimethylacetamide, N-methylpyrrolidone and the like. These solvents may be used by mixing two or more kinds at an appropriate ratio.
- the reaction temperature is usually 0 to 150 ° C, preferably 10 to: L0000 ° C.
- reaction time is generally 15 minutes to 24 hours, preferably 0.5 hours to 15 hours.
- Acids used in this reaction include, for example, mineral acids (eg, hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid, etc.), organic acids (eg, formic acid, acetic acid, propionic acid, butyric acid, methanesulfonic acid, Lichloromethanesulfonic acid, trifluoromethanesulfonic acid, ethanesulfonic acid, benzenesulfonic acid, toluenesulfonic acid, camphorsulfonic acid, etc.), noreic acids (eg, aluminum chloride, zinc chloride, tin chloride, iron chloride, chloride) Titanium, boron trifluoride, boron tribromide, etc.), strongly acidic resins (eg, Dowex 50, AmberH
- the reaction is usually performed in a solvent.
- the solvent may be any solvent as long as it does not inhibit the reaction, for example, alcohols (eg, methanol, ethanol, propanol, isopropanol, butanol, tert-butanol, methoxyethanol, etc.), halogenated hydrocarbons (eg, , Dichloromethane, chloroform, 1,2-dichloroethane, 1,1,2,2-tetrachloroethane, etc., aromatic hydrocarbons (eg, benzene, tonolen, xylene, chlorobenzene, dichlorobenzene) Chlorobenzene, nitrobenzene, etc.), ethers (eg, ethyl ether, isopropyl ether, tert-butylinolemethineoleatenole, tetrahydrofuran, dioxane, etc.), nitrinoles (eg,
- N-methinolepyrrolidone dimethylsulfoxide, hexamethylphosphoramide and the like are used. These solvents may be used as a mixture of two or more kinds at an appropriate ratio. In some cases, the used acid may be used as a solvent.
- the amount of the acid to be used is 0.1 to: 0 L equivalent, preferably 1 to 5 equivalent, relative to compound (V).
- the reaction temperature is usually from 150 to 150 ° C, preferably from 130 to 150 ° C.
- reaction time is generally 30 minutes to 24 hours, preferably 1 hour to 15 hours.
- Compound (VI) can also be produced by reacting compound (II) with compound (VII). In this reaction, the conditions for producing compound (VI) by cyclizing compound (V) can be directly applied.
- the compound of formula (VI) in which Y ′ is a hachigen atom corresponds to compound (VIII) and can be directly subjected to a reaction with (Q.
- a compound of formula (VI) in which Y ′ is a hydrogen atom ) Is halogenated to produce compound (VIII).
- halogenated amides such as N-chlorosuccinimide (NCS), N-bromosuccinic acid imide (NBS), N-bromoacetic acid amide, sulfuryl chloride and the like are used.
- the reaction is usually performed in a solvent.
- the solvent may be any solvent as long as it does not inhibit the reaction.
- the solvent include alcohols (eg, methanol, ethanol, propanol, isopropanol, ptanol, tert-butanol, methoxyethanol, etc.), nodogenated hydrocarbons ( Examples: dichloromethane, chlorophonolem, 1,2-dichloroethane, 1,1,2,2-tetrachloroethane, etc., aromatic hydrocarbons (eg, benzene, tonolenene, xylene, benzene, dichlorobenzene) , Nitrobenzene, etc.), ethers (eg, ethyl ether, isopropyl ether, tert-butyl methyl ether, tetrahydrofuran, dioxane, etc.), nitriles (eg, acetonitrile, propionitolinole
- the reaction is carried out in the presence of a base as a deoxidizing agent.
- bases include, for example, tertiary amines (eg, trimethylamine, triethylamine, tributylamine, N-ethyldiisopropylamine, N-methylmorpholine,
- DBU (1,8-diazabicyclo [5.4.0] -17-indene), DBN (1,5-diazabicyclo [4.3.0] —5_nonene), etc.
- aromatic amines eg, pyridine
- Picoline quinoline, N, N-dimethyla-phosphate, etc.
- alkali metal carbonates eg, sodium bicarbonate, potassium carbonate, sodium carbonate, cesium carbonate, etc.
- alkali metal hydroxides eg, hydroxide hydroxide , Sodium hydroxide, calcium hydroxide, etc.
- alkali metal salts of organic acids eg, sodium formate, potassium formate, sodium acetate, potassium acetate, sodium propionate, potassium propionate, etc.
- organic acids eg, sodium formate, potassium formate, sodium acetate, potassium acetate, sodium propionate, potassium propionate, etc.
- the amount of the halogenating agent and the base to be used is 1 to 1 for compound (VI), respectively. It is 10 equivalents, preferably 1 to 5 equivalents.
- the reaction temperature is usually from 120 to 150 ° C, preferably from 0 to 100 ° C.
- the reaction time is generally 30 minutes to 24 hours, preferably 1 hour to 15 hours.
- the compound ( ⁇ ) and the compound (IX) are reacted in the presence of a catalyst and, in some cases, a ligand (ligand) to produce a compound (XI).
- This reaction may be carried out according to the method described below or, for example, according to the method described in Chemistry Letters, pp. 927-922, 1983.
- Examples of the catalyst used in this reaction include transition metal compounds (eg, tris (dibenzylidene) dipalladium, bis (dibenzylidene) no, radium, palladium acetate, palladium carbon, palladium chloride, tetrakis (triphenyl) Phosphine) Palladium, Bis (acetylacetone) Nickel, Dichlorobis (triphenylphosphine) -Kockenole, Bis (1,5-cyclooctadiene) -Kockenole, Bis (1,10-phosphorus) Nikke ⁇ , Dichlorobis (1,10-phenanthroline), Raney nickel and the like are used.
- transition metal compounds eg, tris (dibenzylidene) dipalladium, bis (dibenzylidene) no, radium, palladium acetate, palladium carbon, palladium chloride, tetrakis (triphenyl) Phosphine) Pal
- ligands examples include trimethylphosphine, triethylphosphine, tripropylphosphine, triisopropinolephosphine, tributyltinolephosphine, tri-tert-butylinolephosphine, tricyclohexinolephosphine, and trimethylphosphite.
- BINAP bis (dipheninolefosfuino) 1,1,1 '_ binaphthinole
- BINAP 1,2,1-bis (dimethylphosphino) ethane
- 1,2-bis (getinolefosfuino) Ethane 1, 2—bis 1,2-bis (dipropinolefosfuino) ethane, 1,2-bis (diisopropinolefosfuino) ethane, 1,2-bis (dicyclohexylphosphino) ethane, 1,3-bis (d
- the reaction is usually performed in a solvent.
- the solvent may be any solvent as long as it does not inhibit the reaction.
- examples include alcohols (e.g., methanol, ethanol, propanol, isopropanol, butanol, tert-butanol, methoxyethanol, etc.), halogenated hydrocarbons (e.g., , Dichloromethane, chloroform, 1,2-dichloroethane, 1,1,2,2-tetrachloroethane, etc., aromatic hydrocarbons (eg, benzene, tonolen, xylene, benzene, dichloromethane) Oral benzene, nitrobenzene, etc.), ethers (eg, ethyl ether, isopropyl ether, tert-butyl methyl ether, tetrahydrofuran, dioxane, etc.), nitriles (eg, acetonitrile, prop
- N-methinolepyrrolidone dimethylsulfoxide, hexamethylphosphoramide and the like are used. These solvents may be used as a mixture of two or more kinds at an appropriate ratio.
- the amount of compound (IX) to be used is 1 to 10 equivalents, preferably 1 to 5 equivalents, relative to compound (VIII), respectively.
- the amount of the catalyst compound (VIII) 0. 0 1 to 1 0 mol% relative to 1 mol, preferably 0.1 to 5 mole 0/0 Dearu.
- the amount of the ligand to be used is 0.01 to 20 mol per 1 mol of compound (VIII). /. ,
- the good Mashiku is from 0.1 to 1 0 mol 0/0.
- the reaction temperature is usually -20 to 150 ° C, preferably 0 to 100 ° C.
- reaction time is generally 30 minutes to 24 hours, preferably 1 hour to 15 hours.
- deprotection is performed as necessary to produce compound (I).
- the deprotection of the present amino group is carried out by a method known per se or a method analogous thereto. This deprotection depends on the type of protecting group of the amino group (R 3 and Z or R 4 ). For example, when the protecting group is an acyl group, hydrolysis with an acid or alkali is used, and when the protecting group is a substituted benzyl group, hydrogenolysis is used.
- the solvent used in the hydrolysis reaction may be any solvent as long as it does not inhibit the reaction. Examples of the solvent include alcohols (eg, methanol, ethanol, propanol, isopropanol, butanol, tei't-butanol, methoxyethanol), and the like.
- Athenoles eg, ethyl ether, isopropyl ether, tert-butyl methyl ether, tetrahydrofuran, dioxane, etc.
- dimethinolephonoremamide dimethylacetamide, N-methinolepyrrolidone, dimethylsulfoxide, hexamethylphosphoramide, etc.
- solvents may be used by mixing two or more kinds at an appropriate ratio.
- the amount of the acid or acid used is 1 to 500 equivalents, preferably 1 to 300 equivalents, per 1 mol of compound (XI).
- the reaction temperature is usually from 120 to 150 ° C, preferably from 0 to 100 ° C.
- the reaction time is generally 30 minutes to 24 hours, preferably 1 hour to 15 hours.
- the catalytic reduction conditions reaction solvent, reaction temperature, reaction time, catalyst, etc.
- reaction solvent, reaction temperature, reaction time, catalyst, etc. used in the production of compound (V) can be applied as they are.
- the product obtained in each step can be used in the next reaction as a reaction solution or as a crude product, but it can be isolated from the reaction mixture according to a conventional method, It can also be easily purified by means (eg, recrystallization, distillation, chromatography, etc.).
- (VII) is known, or can be produced according to a method known per se or a method shown in the following Examples.
- compound (VII) is described in Helv. Chim. Acta, 54, 968 (1971)
- compound (XII) can be produced according to the following reaction formula 2.
- the “leaving group” represented by L 1 and L 2 includes, for example, a hydroxy, a halogen atom (eg, fluorine, chlorine, bromine, iodine, etc.), an optionally halogenated C x - 5 alkylsulfonylo Xyl (eg, methanesulfonyloxy, ethanesulfonyloxy, trichloromethanesulfonyloxy, etc.), which may have a substituent, C 6 -arylsulfonyloxy and the like. "Optionally substituted C 6 -.
- Arirusuruho - Ruokishi includes, for example C i _ 6 alkylene Honoré (eg, Mechinore, Echinore, propyl, isopropyl Honoré, Puchinore, Isopuchinore, sec- heptyl, tert -Substitution selected from -butyl, pentyl, hexyl, etc., C a _ 6 alkoxy (eg, methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, sec-butoxy, pentyloxy, hexyloxy) and nitro , 1 to group optionally having three C 6 - 1.
- Aryls-norehonyloxy eg, Mechinore, Echinore, propyl, isopropyl Honoré, Puchinore, Isopuchinore, sec- heptyl, tert -Substitution selected from -butyl, pent
- phenylsulfonyloxy (E.g., phenylsulfonyloxy, naphthylsulfonyloxy, etc.).
- Specific examples include benzenesulfonyl / reoxy, m-nitrobenzenesulfonoxy, -toluenesulfonyloxy, etc. .
- Compound (XIII) has an amino group substituted on ring A of compound (I) and a compound represented by the formula:
- halogen and the hydrocarbon group which may have a substituent include the halogen and the substituent described above as a substituent of the 5- to 7-membered nitrogen-containing heterocyclic ring represented by ring D, The same thing as the hydrocarbon group is used.
- the amount of compound (XIII) to be used is about 1.0 to about 5.0 mol, preferably about 1.0 to about 2.0 mol, per 1 mol of compound (I).
- base examples include basic salts such as sodium carbonate, carbonated carbonate, cesium carbonate, sodium hydrogencarbonate, etc .; aromatic amines such as pyridine and lutidine; triethylamine, tripropylamine, triptylamine, cyclohexyldimethylamine.
- Tertiary amines such as N-methylaminopyridine, N, N-dimethylaerine, N-methylbiperidine, N-methylpyrrolidine, N-methylmorpholine, sodium hydrogen chloride, hydrogenation power Metal hydrides, metal amides such as sodium amide, lithium diisopropylamide, and lithium hexamethyldisilazide; and metal alkoxides such as sodium methoxide, sodium ethoxide, and potassium tertiary ptoxide.
- the amount of the base to be used is about 1.0 to about 10.0 mol, preferably about 2.0 to about 5.0 mol, per 1 mol of compound (I). Also, if desired, with the base It can also be produced by reacting a quaternary ammonium salt in the presence of a quaternary ammonium salt. Examples of the “quaternary ammonium salt” include tetrabutylammonium hydroxide and the like.
- the amount of the quaternary ammonium salt to be used is about 0.1 to about 2.0 mol, preferably about 0.5 to about 1.0 mol, per 1 mol of compound (I).
- This reaction is advantageously performed using a solvent inert to the reaction.
- a solvent is not particularly limited as long as the reaction proceeds.
- examples thereof include alcohols such as methanol, ethanol, and propanol, ethers such as ethynoleether, tetrahydrofuran, dioxane, and 1,2-dimethoxetane.
- Hydrocarbons such as benzene, toluene, cyclohexane and hexane, N, N-dimethylformamide, N,
- Amides such as N-dimethylacetamide, dichloromethane, chloroform, carbon tetrachloride, halogenated hydrocarbons such as 1,2-dichloroethane, etc., nitrinoles such as acetonitrile and propionitrile, dimethyl sulfoxide, etc.
- Solvents such as sulfoxides or mixed solvents thereof are preferred.
- the reaction time is generally about 30 minutes to about 48 hours, preferably about 1 hour to about 24 hours.
- the reaction temperature is usually about 120 to about 200 ° C, preferably about 0 to about 150 ° C.
- compound (I) and compound ( ⁇ ) in which 1 and L 2 are OH are reacted with an azodicarboxylate (eg, getyl azodicarboxylate, etc.) and a phosphine (eg, triflic acid). Reaction in the presence of enylphosphine, tributylphosphine, etc.).
- an azodicarboxylate eg, getyl azodicarboxylate, etc.
- a phosphine eg, triflic acid
- the amount of the compound (Xllla) in which L 1 and L 2 are OH is about 1.0 to about 5.0 mol, preferably about 1.0 to about 2.0 mol, per 1 mol of compound (I). It is.
- the amount of the "azodicarboxylates” and “phosphines” used is about 1.0 to about 5.0 moles, preferably about 1.0 to about 5.0 moles per 1 mole of compound (I). 2.0 moles.
- This reaction is advantageously performed using a solvent inert to the reaction.
- the solvent is not particularly limited as long as the reaction proceeds. Examples thereof include ethynoleate ether, tetrahydrofuran, dioxane, ethenole such as 1,2-dimethoxyethane, benzene, toluene, and the like.
- Hydrocarbons such as cyclohexane and hexane; amides such as N, N-dimethylformamide and N, N-dimethylacetamide; halogens such as dichloromethane, chlorophonolem, carbon tetrachloride, and 1,2-dichloroethane
- solvents such as fluorinated hydrocarbons, acetonitrile, propionitrile and other 21, linoles, sulphoxides such as dimethylsulfoxide, and their mixed solvents.
- the reaction time is generally about 5 minutes to about 48 hours, preferably about 30 minutes to about 24 hours.
- the reaction temperature is usually about 120 to about 200 ° C, preferably about 0 to about 100 ° C.
- the method of the present invention is particularly suitable for introducing a group represented by W at the 5-position of a 2,3-dihydrobenzofuran ring, depending on the substituents present on the A ring and the C ring.
- the method of Reaction Scheme 2 described above is useful for producing an optically active compound (XII) using the compound (I) as a starting material because the compound (I) is easily optically resolved.
- the optically active form of the compound (la) or a salt thereof is obtained by deriving a compound (la) or a salt thereof in which R 3 is hydrogen into a salt with an optically active acidic compound and performing optical resolution.
- R 3 is hydrogen into a salt with an optically active acidic compound and performing optical resolution.
- optical resolution of an optical isomer mixture (la) of a 2,3-dihydrobenzofuran derivative by an optically active acidic compound can be carried out, for example, by the following operation.
- the compound (la) is reacted with an optically active acidic compound as an acidic resolving agent in an appropriate solvent to form a diastereomer salt.
- the optically active acidic compound include, for example, an optically active tartaric acid derivative such as an optically active O, 0, -diacyl tartaric acid derivative, an optically active amino acid derivative such as an optically active N-acylaminoic acid, and a compound represented by the formula:
- Ar is an aromatic hydrocarbon group which may have a substituent
- R 5 and R 6 are Each represents a hydrogen atom, a lower alkyl group which may have a substituent, a lower alkoxy group which may have a substituent, a halogen atom or a nitro group, or R 5 and R 6 are taken together It represents an alkylene group which may have a substituent or methylenedioxy which may have a substituent. * Indicates the position of the asymmetric carbon.
- an optically active phosphoric acid derivative represented by the formula:
- Omicron, Omicron 'preferred as Ashiru group over di one Ashiru tartaric acid derivatives are, for example Asechiru, propionyl, butyryl, lower (. 6) Arukanoiru group valeryl etc., Benzoinore, .rho. chlorine base Nzoiru, in Aroiru group such as naphthoyl is there.
- -diacyl tartaric acid is ⁇ , ⁇ '-di- ( ⁇ -toluoyl) tartaric acid.
- ⁇ - as preferred are ⁇ - Ashiru group Ashiruamino acid derivatives, for example ⁇ Se chill, Puropioyuru, Puchiriru, lower (C Medicine 6) Arukanoiru group valeryl etc., Benzoiru, .rho. chlorine base Nzoiru, etc. Aroiru groups such naphthoyl Is raised.
- Amino acids include, for example, ⁇ -fuelglycine. Most preferred as a ⁇ -aminoamino acid derivative is ⁇ - (3,5-dinitrobenzoinole) - ⁇ -phenylglycine.
- optically active phosphoric acid derivative represented by the formula (XIV) can be prepared according to the method described in JP-A-61-108886, J. Org. Chem., 50, 4508 (1985). It can be easily obtained, and some compounds can be easily obtained as commercial products.
- 2-hydroxy-5,5-dimethinolene 4-phenyl-1,3-dioxaphosphorinane 2-oxide, 4- (2-clofenazole) 1-2-hydroxy-1 5,5-Dimethyl-1,3,2-dioxaphosphorinane 2-oxide, 4- (2,4-dichloropheninole) -12-hydroxy-5,5_dimethinole-1,3,2-dioxide
- Oxaphosphorinane 2-oxide 2-hydroxy-1- (1-methoxyphenyl) -1,5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide, 2-hydroxy-1-5 , 5-dimethinolee 41- (1-naphthyl) -11,3,2-dioxaphospholinan-12-oxide and the like.
- substituteduent 1 preferably, for example methyl,.
- E alkyl group such as Echiru, for example main butoxy, ⁇ 6 alkoxy group such as ethoxy, for example, fluorine, chlorine, chosen such pressurized et halogen atom such as bromine Or two.
- R 5 and R 6 of the "optionally substituted lower alkyl group” as the “lower alkyl group", for example.
- 6 alkyl e.g., methyl, Echiru, flop port pills, isopropyl, butyl, Isobutyl, sec-butyl, tert-butyl, pentyl, hexyl, etc.
- substituted lower alkyl group the “substituent” of the “optionally substituted hydrocarbon group” for R 1 or R 2 The same number is used.
- substituteduent is preferably, for example, a halogen atom (e.g., fluorine, chlorine, bromine etc.), nitro, Shiano, have Arukanoiru (eg, Asechiru, propionic - Le etc.), the force carboxyl, ⁇ 4 alkoxy (e.g., Methoxy, ethoxy, propoxy, etc.), C
- R 5 and R 6 represented by an “optionally substituted lower alkoxy group”
- lower alkoxy group examples include alkoxy (eg, methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, sec-butoxy, pentyloxy, hexyloxy, etc.).
- substituted hydrocarbon optionally represented by the aforementioned R 1 or R 2 The same number as the “group” is used.
- the "substituent” is preferably, for example, C 4 Arukanoiru (eg, Asechiru, etc.
- Puropioeru Puropioeru
- force / Repokishiru hydroxyl
- ⁇ 4 alkoxy e.g., main butoxy, ethoxy, propoxy, etc.
- 4 alkoxy Ichiriki Rupoeru For example, methoxycarbonyl, ethoxycarbonyl, butoxycarbonyl, etc.
- the “halogen atom” represented by R 5 and R 6 includes fluorine, chlorine, bromine, iodine and the like.
- R 5 and R 6 together represent an alkylene group which may have a substituent
- examples of the alkylene group which may have a substituent include unsubstituted anoalkylene having 2 to 6 carbon atoms ( In addition to dimethylene, trimethylene, tetramethylene, pentamethylene), any of these alkylenes may be, for example, a lower alkyl group (eg, C 4 alkyl such as methyl, ethyl, propyl), a lower alkoxy group (eg, methoxy, Alkoxy such as ethoxy, propoxy, etc.), nitro group, halogen atom (eg, fluorine, chlorine, bromine, iodine) may have one or two substituents.
- a lower alkyl group eg, C 4 alkyl such as methyl, ethyl, propyl
- a lower alkoxy group eg, methoxy, Alkoxy such as ethoxy, propoxy, etc.
- the methylene group may be, for example, a halogen atom (eg, fluorine, chlorine, bromine, iodine), a nitro group, or the like. It may be replaced.
- a halogen atom eg, fluorine, chlorine, bromine, iodine
- R 5 and R 6 when both of R 5 and R 6 are each methylol group, and both may indicate tetramethylene group can be mentioned up bonded to each other.
- optically active phosphoric acid derivatives represented by the formula (IV) the most preferred is 2-hydroxy-5,5-dimethyl-4- (1-naphthinole) -1,3,2-dioxaphospho Linnan is 2-oxide.
- the amount of the acidic resolving agent to be used in (la) is 0.1 to 4 moles, preferably 0.6 to 2.5 moles.
- a mineral acid such as hydrochloric acid, sulfuric acid, or phosphoric acid, or an organic acid such as acetic acid, propionic acid, fumaric acid, or maleic acid may be coexistent so that the molar ratio is obtained together with the resolving agent.
- the solvent to be used one in which one of the diastereomer salts which is produced vigorously without chemically changing the compound (la) and the acidic resolving agent is preferred.
- water alcohols such as methanol, ethanol, isopropanol, etc.
- ethers such as diethyl ether, diisopropyl ether, 1,2-dimethoxyethane, tetrahydrofuran, tetrahydropyran, acetone, 2-butanone, etc.
- Ketones, nitriles such as acetonitrile
- aromatic hydrocarbons such as benzene and toluene.
- the amount of the compound to be used is generally 1 to 100 times, preferably 1 to L times the amount of the compound (la).
- the temperature may be usually in the range of 15 ° C or higher and the boiling point of the solvent used or lower.
- one of the salts can be crystallized by cooling or concentrating. Depending on the conditions, poorly soluble salts may be easily precipitated by leaving or stirring at room temperature without performing operations such as cooling and concentration.
- the crystallized salt can be easily separated by ordinary solid-liquid separation methods such as filtration and centrifugation.
- the purity of the separated salt crystals can be increased by a method known per se such as recrystallization if necessary.
- the mother liquor from which the hardly soluble salt has been separated may contain only the easily soluble salt as it is, and the salt may be separated as it is or by cooling after concentration. Any known method may be used to decompose the salt thus obtained.
- the object can be achieved by treating with an aqueous solution or an acid in an aqueous solution.
- the compound is treated with a water-soluble base such as aqueous sodium hydroxide solution or aqueous sodium hydrogen carbonate solution, and the liberated optically active 2,3-dihydrobenzofuran compound is subjected to a solid-liquid separation method such as filtration or centrifugation, or an organic solvent. It can be isolated by an extraction operation.
- the base treatment is usually performed at about ⁇ 10 to 25 ° C., and the amount of the base to be used is 1 to 5 molar times with respect to the diastereomer salt.
- the strong base concentration is between 1 and 50% by weight / 0 , preferably between 5 and 20% by weight.
- the resolving agent By separating the optically active 2,3-dihydrobenzofuran compound from the basic aqueous layer with acid such as hydrochloric acid or sulfuric acid, the resolving agent can be recovered and reused. is there.
- optically active 2,3-dihydrobenzofuran compound thus obtained can be used in the next reaction as a reaction solution or as a crude product.
- the resulting compounds (I), (XI) and (XII) have low toxicity, 1, (XI) and (XD) has, for example, a neurotrophic factor-like effect, a neurotrophic factor activity enhancing effect, a neurodegenerative suppressing effect, a 3) amyloid toxicity suppressing effect, a neurogenesis and regeneration promoting effect, a neural stem cell and / or a nerve cell. It has excellent medicinal effects such as growth and differentiation promoting effects and is useful as a medicament for mammals including humans.
- the compound is useful not only as a synthetic intermediate for the compound (XII or (XII)) but also as a lipid peroxide production inhibitor.
- compound 0), compound (XI) and compound (XII) include, for example, neurodegenerative diseases (eg, Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis (ALS), Huntington's disease, Spinocerebellar degeneration etc.), psychiatric and neurological disorders (eg, schizophrenia, etc.), head trauma, spinal cord injury, cerebrovascular disorder, cerebrovascular dementia, peripheral neuropathy (eg, diabetes mellitus ⁇ live neuropathy, etc.) And is used as a prophylactic / therapeutic agent for these diseases.
- Compound I is also useful as a prophylactic / therapeutic agent for circulatory diseases such as stroke and inflammation.
- Compounds (I), (XI) and (XII) can be used, for example, in the form of pharmaceutical compositions or preparations according to the methods described in EP483772A and WO 00/34262 and used as prophylactic or therapeutic agents for the above-mentioned diseases. it can.
- the crystals were added to a mixture of methanol (560 mL) and water (80 mL), and dissolved by heating to 50 ° C. Then, 25% aqueous ammonia was added dropwise to adjust the pH to 8.5, and the precipitated crystals were collected by filtration to obtain the title compound (54.32 g, 88.6%).
- H-NMKCCDClg ⁇ : 1.02 (3 ⁇ , s), 1.51 (3H, s), 1.83 (3H, s), 2.14 (2H, s), 2.23 (3H, s), 4.12 (1H, s) , 6.49 (1H, s), 6.40-7.25 (5H, m).
- toluene (lmL) is added to 5-promo 2,2,4,6,7-pentamethinole _3- (4-methinolephenole) -2,3-dihydro-1_benzofuran (l O Omg ) And 3,4-dimethoxybenzylamine (56 mg) were added, and palladium acetate (0.3 mg) and (S)-(-)-2,2,1-bis (dipheninolephosphino) 1-1,1 ' -Binaphthyl (2.7 mg) was added, and then sodium tert-butoxide (37.5 mg) was added, followed by stirring at 80 ° C for 17 hours.
- (+) Li: —Toluoinoletartaric acid (1936 g) in isopropyl alcohol
- iH-NMRCDClJ ⁇ 1.01 (3 ⁇ , s), 1.48 (3 ⁇ , s), 1.79 (3 ⁇ , s), 2.14 (3 ⁇ , s), 2.20 (3 ⁇ , s), 2.31 (3 ⁇ ,), 3.08 (2 ⁇ , bs), 4.10 (1 ⁇ , s), 6.60-7.10 (4 ⁇ , m).
- a substituent can be introduced into a 2,3-dihydrobenzofuran ring with good regioselectivity under a less number of steps than under a conventional method and under mild reaction conditions. Therefore, according to the present invention, side reactions are suppressed, and the entire process is performed. As a result, it is possible to provide a novel production method suitable for industrial production of a benzofuran derivative useful as a medicament which achieves a higher yield.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Furan Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020037015403A KR100868009B1 (ko) | 2001-07-13 | 2002-07-11 | 벤조푸란 유도체의 제조법 |
CA2452868A CA2452868C (en) | 2001-07-13 | 2002-07-11 | Process for producing benzofuran derivative |
US10/483,089 US7034166B2 (en) | 2001-07-13 | 2002-07-11 | Process for producing benzofuran derivative |
DE60228577T DE60228577D1 (de) | 2001-07-13 | 2002-07-11 | Verfahren zur herstellung von benzofuranderivaten |
EP02745957A EP1408036B1 (en) | 2001-07-13 | 2002-07-11 | Process for producing benzofuran derivative |
US11/359,023 US7323577B2 (en) | 2001-07-13 | 2006-02-22 | Process for producing benzofuran derivative |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-213665 | 2001-07-13 | ||
JP2001213665 | 2001-07-13 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10483089 A-371-Of-International | 2002-07-11 | ||
US11/359,023 Division US7323577B2 (en) | 2001-07-13 | 2006-02-22 | Process for producing benzofuran derivative |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003006448A1 true WO2003006448A1 (fr) | 2003-01-23 |
Family
ID=19048602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/007045 WO2003006448A1 (fr) | 2001-07-13 | 2002-07-11 | Procede de production d'un derive de benzofuranne |
Country Status (10)
Country | Link |
---|---|
US (2) | US7034166B2 (ja) |
EP (1) | EP1408036B1 (ja) |
JP (1) | JP2009256355A (ja) |
KR (1) | KR100868009B1 (ja) |
CN (1) | CN100345835C (ja) |
AT (1) | ATE406357T1 (ja) |
CA (1) | CA2452868C (ja) |
DE (1) | DE60228577D1 (ja) |
ES (1) | ES2309184T3 (ja) |
WO (1) | WO2003006448A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE406357T1 (de) * | 2001-07-13 | 2008-09-15 | Takeda Pharmaceutical | Verfahren zur herstellung von benzofuranderivaten |
EP1783121A4 (en) * | 2004-08-27 | 2009-08-05 | Takeda Pharmaceutical | AZOVER BINDINGS AND METHOD FOR THE PRODUCTION THEREOF |
US8921611B1 (en) * | 2012-04-13 | 2014-12-30 | Uchicago Argonne, Llc | Process for producing redox shuttles |
CN112341416A (zh) * | 2019-08-09 | 2021-02-09 | 天津津艺医药科技发展有限责任公司 | 一种制备苯并含氧脂杂环衍生物的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000034262A1 (fr) * | 1998-12-04 | 2000-06-15 | Takeda Chemical Industries, Ltd. | Derives de benzofuranne, leur procede de preparation et leurs utilisations |
WO2001012618A1 (en) * | 1999-08-16 | 2001-02-22 | Allergan Sales, Inc. | Dihydroaminobenzo[b]- and [c]furans as retinoid-like agents |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW199152B (ja) | 1990-11-01 | 1993-02-01 | Takeda Pharm Industry Co Ltd | |
DE69929609T2 (de) | 1998-07-10 | 2006-09-28 | Massachusetts Institute Of Technology, Cambridge | Liganden für metalle und metall-katalysiertes verfahren |
ES2317935T3 (es) | 2000-10-05 | 2009-05-01 | Takeda Pharmaceutical Company Limited | Promotores de la proliferacion y diferenciacion de celulas pluripotenciales y/o celulas precursoras neuronales. |
ATE406357T1 (de) * | 2001-07-13 | 2008-09-15 | Takeda Pharmaceutical | Verfahren zur herstellung von benzofuranderivaten |
-
2002
- 2002-07-11 AT AT02745957T patent/ATE406357T1/de not_active IP Right Cessation
- 2002-07-11 CN CNB02817920XA patent/CN100345835C/zh not_active Expired - Fee Related
- 2002-07-11 ES ES02745957T patent/ES2309184T3/es not_active Expired - Lifetime
- 2002-07-11 EP EP02745957A patent/EP1408036B1/en not_active Expired - Lifetime
- 2002-07-11 DE DE60228577T patent/DE60228577D1/de not_active Expired - Lifetime
- 2002-07-11 US US10/483,089 patent/US7034166B2/en not_active Expired - Fee Related
- 2002-07-11 KR KR1020037015403A patent/KR100868009B1/ko not_active IP Right Cessation
- 2002-07-11 CA CA2452868A patent/CA2452868C/en not_active Expired - Fee Related
- 2002-07-11 WO PCT/JP2002/007045 patent/WO2003006448A1/ja active IP Right Grant
-
2006
- 2006-02-22 US US11/359,023 patent/US7323577B2/en not_active Expired - Fee Related
-
2009
- 2009-05-14 JP JP2009117715A patent/JP2009256355A/ja not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000034262A1 (fr) * | 1998-12-04 | 2000-06-15 | Takeda Chemical Industries, Ltd. | Derives de benzofuranne, leur procede de preparation et leurs utilisations |
WO2001012618A1 (en) * | 1999-08-16 | 2001-02-22 | Allergan Sales, Inc. | Dihydroaminobenzo[b]- and [c]furans as retinoid-like agents |
Also Published As
Publication number | Publication date |
---|---|
US7323577B2 (en) | 2008-01-29 |
ES2309184T3 (es) | 2008-12-16 |
US7034166B2 (en) | 2006-04-25 |
KR20040030630A (ko) | 2004-04-09 |
EP1408036A4 (en) | 2004-12-08 |
CA2452868A1 (en) | 2003-01-23 |
US20040210066A1 (en) | 2004-10-21 |
KR100868009B1 (ko) | 2008-11-10 |
US20060142598A1 (en) | 2006-06-29 |
EP1408036A1 (en) | 2004-04-14 |
JP2009256355A (ja) | 2009-11-05 |
EP1408036B1 (en) | 2008-08-27 |
ATE406357T1 (de) | 2008-09-15 |
CA2452868C (en) | 2010-11-16 |
CN100345835C (zh) | 2007-10-31 |
DE60228577D1 (de) | 2008-10-09 |
CN1555369A (zh) | 2004-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6574918B1 (ja) | 複素環化合物およびその用途 | |
JP4358917B2 (ja) | 三環性化合物、その製造法および剤 | |
JPH0867670A (ja) | 置換4−フエニル−6−アミノ−ニコチン酸誘導体の薬剤としての利用 | |
WO2005016264A2 (en) | Diamine derivatives of quinone and uses thereof | |
DE69427283T2 (de) | Propenon-derivate | |
US7420070B2 (en) | Process for preparing optically active 2,3-dihydrobenzofuran compounds | |
EP1670792B1 (en) | Process for the preparation of chiral propionic acid derivatives | |
JP2884153B2 (ja) | 三環性化合物、その製造法および剤 | |
JPH09500879A (ja) | カルシウムチャネル拮抗薬用インダンおよびテトラヒドロナフタレン誘導体 | |
EP0768311B1 (en) | Pyrrolocarbazole derivatives | |
EP2958893B1 (en) | Asymmetric synthesis of a substituted pyrrolidine-2-carboxamide | |
NZ250580A (en) | 3-(hetero)aryloxymorphinan derivatives and their use in the manufacture of medicaments | |
WO2003006448A1 (fr) | Procede de production d'un derive de benzofuranne | |
JPH05222040A (ja) | トリアザスピロデカノン−メチルクロマン類 | |
DE69607890T2 (de) | Aromatische Hydroxamsäure-Verbindungen, ihre Herstellung und Verwendung | |
JP4434558B2 (ja) | ベンゾフラン誘導体の製造法 | |
JP4953041B2 (ja) | アポトーシス抑制剤 | |
KR102088972B1 (ko) | 벤조설파미데이트-퓨즈드-이소인돌린 화합물 및 이의 입체선택적 제조방법 | |
WO2001014385A1 (fr) | Derives de dihydrobenzofuran, leur procede de preparation et agents | |
US10618892B2 (en) | Processes for the preparation of a BACE inhibitor | |
JP2002265460A (ja) | 光学活性2,3−ジヒドロベンゾフラン化合物の製造法 | |
FR2781482A1 (fr) | Nouveaux derives de 8h-thieno-[2,3-b]pyrrolizine-8-one, leur procede de preparation et les compositions pharmaceutiques qui les contiennent | |
WO2005013903A2 (en) | Derivatives of substituted quinone and uses thereof | |
JP2000072696A (ja) | ナフタレン誘導体の製造法およびその中間体 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG US UZ VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1020037015403 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10483089 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2002745957 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2452868 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2002817920X Country of ref document: CN |
|
WWP | Wipo information: published in national office |
Ref document number: 2002745957 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
NENP | Non-entry into the national phase |
Ref country code: JP |
|
WWG | Wipo information: grant in national office |
Ref document number: 2002745957 Country of ref document: EP |