KR101152607B1 - 6-[4-(2-피페리딘-1-일-에톡시)-페닐]-3-피리딘-4-일-피라졸로[1,5-a]피리미딘의 제조방법 - Google Patents
6-[4-(2-피페리딘-1-일-에톡시)-페닐]-3-피리딘-4-일-피라졸로[1,5-a]피리미딘의 제조방법 Download PDFInfo
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- KR101152607B1 KR101152607B1 KR1020050126303A KR20050126303A KR101152607B1 KR 101152607 B1 KR101152607 B1 KR 101152607B1 KR 1020050126303 A KR1020050126303 A KR 1020050126303A KR 20050126303 A KR20050126303 A KR 20050126303A KR 101152607 B1 KR101152607 B1 KR 101152607B1
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- pyridin
- represented
- pyrazolo
- reaction
- phenyl
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0201—Oxygen-containing compounds
- B01J31/0205—Oxygen-containing compounds comprising carbonyl groups or oxygen-containing derivatives, e.g. acetals, ketals, cyclic peroxides
- B01J31/0207—Aldehydes or acetals
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims (5)
- 다음의 a), b), c), d) 및 e) 과정이 포함되어 이루어지는 것을 특징으로 하는 제조방법 :a) 아민 염기 및 방향족 탄화수소 용매 하에서 하기 화학식 2로 표시되는 피리딘-4-일-아세토니트릴 염화수소를 N,N-디메틸포름아미드 디메틸아세탈(DMFDMA)과 반응시켜, 하기 화학식 3으로 표시되는 3-디메틸아미노-2-피리딘-4-일-아크릴로니트릴을 제조하는 과정;b) 아세트산 촉매 및 알콜 용매 하에서, 하기 화학식 3으로 표시되는 3-디메틸아미노-2-피리딘-4-일-아크릴로니트릴을 히드라진 일수화물과 반응시켜, 하기 화학식 4로 표시되는 4-피리딜-2H-피라졸-3-일아민을 제조하는 과정;c) 아세트산 촉매 및 알콜 용매 하에서, 하기 화학식 4로 표시되는 4-피리딜-2H-피라졸-3-일아민과 하기 화학식 5로 표시되는 2-(4-메톡시페닐)말론디알데히드을 반응시켜, 하기 화학식 6으로 표시되는 6-(4-메톡시-페닐)-3-피리딘-4-일-피라 졸로[1,5-a]피리미딘을 제조하는 과정;d) 하기 화학식 6으로 표시되는 6-(4-메톡시-페닐)-3-피리딘-4-일-피라졸로[1,5-a]피리미딘을 산 가수분해하여 하기 화학식 7로 표시되는 4-(3-피리딘-4-일-피라졸로[1,5-a]피리미딘-6-일)-페놀을 제조하는 과정;e) Cs2CO3와 알콜 용매 하에서, 하기 화학식 7로 표시되는 4-(3-피리딘-4-일-피라졸로[1,5-a]피리미딘-6-일)-페놀과 하기 화학식 8로 표시되는 클로로에틸피페리딘 염화수소를 교반 반응시켜, 하기 화학식 1로 표시되는 6-[4-(2-피페리딘-1-일-에톡시)-페닐]-3-피리딘-4-일-피라졸로[1,5-a]피리미딘을 제조하는 과정.
- 제 1 항에 있어서, 상기 a) 반응에 사용되는 아민 염기가 트리에틸아민, 피리딘 및 피페리딘 중에서 선택된 지방족 또는 방향족 아민인 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 b), c), 및 e) 반응에 사용되는 알콜 용매는 메탄올, 에탄올, 프로판올 및 부탄올 중에서 선택된 저급지방족 알콜인 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 d) 산 가수분해 반응은 HF, HCl, 및 HBr 중에서 선택된 할로겐화수소 촉매와 아세트산 용매를 사용하는 조건에서 수행하는 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 e)반응이 종료된 후에는 MPLC(Medium Pressure Liquid Chromatography)를 수행하고, 디클로로메탄(CH2Cl2)으로 세척하고 감압 여과한 후에, 에탄올로 재결정하여 상기 화학식 1로 표시되는 6-[4-(2-피페리딘-1-일- 에톡시)-페닐]-3-피리딘-4-일-피라졸로[1,5-a]피리미딘을 수득하는 것을 특징으로 하는 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020050126303A KR101152607B1 (ko) | 2005-12-20 | 2005-12-20 | 6-[4-(2-피페리딘-1-일-에톡시)-페닐]-3-피리딘-4-일-피라졸로[1,5-a]피리미딘의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020050126303A KR101152607B1 (ko) | 2005-12-20 | 2005-12-20 | 6-[4-(2-피페리딘-1-일-에톡시)-페닐]-3-피리딘-4-일-피라졸로[1,5-a]피리미딘의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070065653A KR20070065653A (ko) | 2007-06-25 |
KR101152607B1 true KR101152607B1 (ko) | 2012-06-05 |
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KR1020050126303A Expired - Fee Related KR101152607B1 (ko) | 2005-12-20 | 2005-12-20 | 6-[4-(2-피페리딘-1-일-에톡시)-페닐]-3-피리딘-4-일-피라졸로[1,5-a]피리미딘의 제조방법 |
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KR (1) | KR101152607B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005092068A2 (en) | 2004-03-24 | 2005-10-06 | Fasgen, Llc | Novel method of neuroprotection by pharmacological inhibition of amp-activated protein kinase |
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2005
- 2005-12-20 KR KR1020050126303A patent/KR101152607B1/ko not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2005092068A2 (en) | 2004-03-24 | 2005-10-06 | Fasgen, Llc | Novel method of neuroprotection by pharmacological inhibition of amp-activated protein kinase |
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