KR840000546A - 이미다조[1,2-a] 피리딘 및 피라진의 제조방법 - Google Patents

이미다조[1,2-a] 피리딘 및 피라진의 제조방법 Download PDF

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KR840000546A
KR840000546A KR1019820002835A KR820002835A KR840000546A KR 840000546 A KR840000546 A KR 840000546A KR 1019820002835 A KR1019820002835 A KR 1019820002835A KR 820002835 A KR820002835 A KR 820002835A KR 840000546 A KR840000546 A KR 840000546A
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compound
formula
lower alkyl
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described below
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에이 브리스톨 제임스 (외 2)
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스테이나 칸스타드, 로즈마리 아이젠링
쉐링 코포레이숀
로즈마리 아이젠링
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/72—Nitrogen atoms
    • C07D213/73—Unsubstituted amino or imino radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6561—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings

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  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
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  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

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Description

이미다조〔1,2-a〕피리딘 및 피라진의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (45)

  1. A) 일반식(Ⅱ)의 화합물을 일반식 (Ⅲ)의 화합물과 반응시키거나,
  2. B) R4가-0-R8-Ar, -0-CH2-CH=CH2, -NH-R8-Ar, -R8-Ar(여기에서 R8과 Ar은 후술할 바와 같음)인 일반식(Ⅰ)의 화합물을 제조하기 위해서는, 일반식(Ⅳ)의 화합물을 일반식(Ⅴ) 화합물과 반응시키거나,
  3. C) R4가-CH=CH-Ar 또는 -CH=CH-CH2-Ar인 일반식(Ⅰ)의 화합물을 제조하기 위해서는, R2, R3및 R5가 후술하는 바와같고 Z가 CHO인 일반식(Ⅳ)의 화합물을 적당한 위티히 시약과 위티히 반응을 시키거나,
  4. D) R4가-CH=CH-Ar인 일반식(Ⅰ)의 화합물을 제조하기 위해서는, R2, R3및 R5가 후술하는 바와같고 Z가 포스피닐메틸그룹인 일반식(Ⅳ)의 화합물을 일반식 Ar-CHO(여기에서 Ar은 후술할 바와 같음)인 화합물과 반응시키거나,
  5. E) R2, R4및 R5가 후술한 바와같고 R3가 CH2CN인 일반식(Ⅰ)의 화합물을 제조하기 위해서는, R3가-CH2X(여기에서 X는 이탈하기 용이한 이탈그룹이)인 일반식(Ⅰ)의 화합물을 금속 시아나이드와 반응시키거나,
  6. F) R2및 R3중의 적어도 하나가 히드록시저급알킬인 것을 제외하고는 R2, R3, R4및 R5가 후술할 바와같은 일반식(Ⅰ)의 화합물을 제조하기 위해서는, R2및 또는 R3가-(R')nCOOR(여기에서 R'는 탄소수 1내지 5의 저급알킬렌이고 n은 0 또는 1이며 R은 탄화수소 그룹이다)인 일반식(Ⅰ)의 화합물을 환원시키거나,
  7. G) R2, R4및 R5가 후술할 바와같고 R3가-NO인 일반식(Ⅰ)의 화합물을 제조하기 위해서는, R3가 수소인 일반식(Ⅰ)의 화합물을 3-위치에서 니트로소화하거나,
  8. H) R2, R4및 R5가 후술할 바와같고 R3가 -NH2인 일반식(Ⅰ)의 화합물을 제조하기 위해서는, R3가 -NO 또는 -NO2인 일반식(Ⅰ)의 화합물을 환원시키거나,
  9. I) R2, R4및 R5가 후술할 바와같고 R3가 -NR6R7(여기에서 R6및 또는 R7은 저급알킬이다)인 일반식(Ⅰ)의 화합물을 제조하기 위해서는, R3가 -NH2인 일반식(Ⅰ)의 화합물을 알킬화시키거나,
  10. J) R2, R4및 R5가 후술할 바와같고 R3가 -CH2NC인 일반식(Ⅰ)의 화합물을 제조하기 위해서는, R3가인 일반식(Ⅰ)의 화합물을 아민의 존재하에서 PCl3와 반응시키고, 제조된 일반식(Ⅰ)의 화합물을 필요시 환원시켜 상응하는 2,3-디하이드로-, 5,6,7,8-테트라 하이드로-, 2,3,5,6,7,8-헥사하이드로 유도체를 제조하고, 필요시 그의 염으로 전환시킴을 특징으로 하여 일반식(Ⅰ)의 이미다조[1,2-a]피리딘 및 피라진, 그의 2,3-디하이드로-, 5,6,7,8-테트라하이드로와 2,3,5,6,7,8-헥사하이드로 유도체 및 이러한 화합물들의 약제학적으로 허용할 수 있는 염을 제조하는 방법.
  12. 상기식에서
  13. B는 CH 또는 N이고
  14. B가 CH를 나타내면,
  15. R2는 수소, 저급알킬 또는 히드록시 저급알킬이고
  16. R5는 수소, 할로겐 또는 저급알킬이며
  17. R3는 저급알킬, -CH2CN, 히드록시 저급알킬,
  18. -NO, -CH2NC, 또는이거나
  19. R2가 수소가 아니면
  20. R3는 또한 수소이고
  21. R4는 핵의 5,6 또는 7-위치 중의 어느 위치에도 부착될 수 있으며, -O-R8-Ar, -NH-R8-Ar, -R8-Ar, -CH=CH-Ar, -CH-CH2-Ar 또는 -O-CH2-CH=CH|2이거나,
  22. R3는 전술된 바와 같고
  23. R4는 핵의 8-위치에 부착되고, -CH=CH-Ar, -CH=CH-CH2-Ar 또는 -O-CH2-CH=CH|2이거나,
  24. R3는 -NO, -CH2NC 또는이고
  25. R4는 핵의 8-위치에 부착되고, -O-R8-Ar, -NH-R8-Ar 또는 -R8-Ar이며
  26. B가 N이면,
  27. R5는 전술된 바와 같고
  28. R2및 R3는 서로 무관하게 수소, 저급알킬,
  29. 히드록시저급알킬, -CH2CN, -NO 및 -NR6R7이며,
  30. R4는 -O-R8-Ar, -NH-R8-Ar, -R8-Ar, -CH=CH-Ar 또는 -CH=CH-CH-CH|2-Ar이며
  31. 상기 정의중에서 R6및 R7은 서로 무관하게 수소 또는 저급 알킬이며, R8은 직쇄 또는 측쇄의 저급알킬렌그룹이며
  32. Ar은 티에닐, 푸라닐, 피리딜, 페닐 또는 할로겐 및 저급알킬 중에서 선택한 하나 이상의 치환체로 치환된 페닐이며
  33. Z"는 용이하게 이탈되는 이탈그룹이고
  34. Hal은 Br, Cl 또는 I 이며
  35. Z는 할로겐, OH 또는 NH2이고
  36. Z'는 -R8-Ar 또는 -CH2-CH=CH2이며
  37. 단, 일반식(Ⅲ)의 화합물에서 R2또는 R3에 존재하는 유리의 아미노 또는 히드록시그룹은 보호그룹으로 보호될 수 있으며 이 보호그룹은 이어서 제거된다.
  38. 제 1 항에 있는 공정 A)에 있어서, Z"가 할로겐, 토실 또는 메실이고 불활성 용매중에서 반응물을 함께 가열하여 반응시킴이 특징이고,
  39. 공정 B)에 있어서, Z가 할로겐이면 구리촉매를 사용함이 특징이고,
  40. 공정 C)에 있어서, 사용된 위티히 시약이 일반식(여기에서 Ar은 제 1 항에서 정의된 바와 같고 R은 탄화수소 그룹이다)임이 특징이고,
  41. 공정 E)에 있어서, X가 할로겐, 알콕시, 아릴옥시, 메실, 토실, 4급그룹 바람직하게는 N(CH3)3I이거나 4급 이온이 BF4 -, PF6 , CF3SO3 및 FSO3 중에서 선택된 비-친핵성 반대이온인 4급 그룹이며 금속 시아나이드가 알카리 금속 시아나이드 임이 특징이고,
  42. 공정 F)에 있어서, 리튬 알루미늄 하이드라이드를 사용하여 환원시킴이 특징이고,
  43. 공정 G)에 있어서, 농염산의 존재하에 아질산염 바람직하게는 아질산 나트륨으로 니트로소화시킴이 특징이고,
  44. 공정 H)에 있어서, 아세트산 존재하의 아연분말로 환원시킴이 특징인 제 1 항에 따른 제조방법.
  45. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR8202835A 1981-06-26 1982-06-25 이미다조[1,2-a] 피리딘 및 피라진의 제조방법 KR880001718B1 (ko)

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US27757681A 1981-06-26 1981-06-26
US277576 1981-06-26
US356052 1982-03-08
US06/356,052 US4507294A (en) 1982-03-08 1982-03-08 Imidazo[1,2-a]pyrazines

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KR880001718B1 KR880001718B1 (ko) 1988-09-08

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ES8307806A1 (es) 1983-08-01
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OA07130A (fr) 1984-03-31
IE821515L (en) 1982-12-26
PT75115B (en) 1985-06-28
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HU189595B (en) 1986-07-28
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FI73433B (fi) 1987-06-30
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