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ピリジン化合物

ピリジン系化合物は現(xiàn)在開発と応用範(fàn)囲が最も広い複素環(huán)式化合物の一種であり,重要な精細(xì)化學(xué)原料の一種であり,その誘導(dǎo)體は主にアルキルピリジン、ハロゲン化ピリジン、アミノピリジン、ブロモピリジン、メチルピリジン、ヨードピリジン、クロロピリジン、ニトロピリジン、ヒドロキシピリジン、ベンジルピリジン、エチルピリジン、シアノピリジン、フルピルチン、及びジヒドロピリジン等を有し,そのうち農(nóng)薬はピリジン系製品の消費(fèi)総量の約50%を占める;飼料添加物は約30%を占める;醫(yī)薬及び他の分野の製品は20%を占める。 ピリジンは弱塩基性と特殊な臭いを有する無色又はわずかな黃色の液體であり,コールタール、シェールオイル、石炭ガス及び石油に天然に存在する。水、アルコール、エーテル、石油エーテル、油類、ベンゼン、クロロホルム等の多くの有機(jī)溶剤と融合でき,重要な化學(xué)原料と溶剤である。 ピリジンの重要な誘導(dǎo)體はニコチン酸、ニコチン酸アミド、 イソニコチニルヒドラジド、ニコチン、ブルシン、及びビタミンB6等を有する。  ピリジンは正六角形に近い構(gòu)造を有し,ベンゼンと類似し,同じ電子構(gòu)造を有する。環(huán)中の窒素原子の電子吸引作用で,2,4,6位における電子雲(yún)の密度を3,5位以下にさせ,酸性媒質(zhì)中で,親電子置換反応は3,5位で発生し,求核反応例えばアミン化、アルキル化、アリール化、アシル化は2,4,6位で発生する。ピリジンは弱い第三級(jí)アミンの一種であり,エタノール溶液中で複數(shù)の酸性物質(zhì)(例えばピクリン酸、過塩素酸等)とともに水に溶けない塩基性物質(zhì)を形成する。ピリジンは塩基性であるため,塩酸と反応してピリジン塩酸塩(C5H5N•HCl)を生成することができる。ニッケル觸媒の作用で,200℃及び15~30MPaの環(huán)境で,水素を添加して還元反応を行い,ピペリジンを生成することができる;電気分解によってピペリジンに還元することもできる。その還元性はベンゼンより簡(jiǎn)単である。その一方でピリジンはベンゼンより酸化しにくいが,過酸化水素又は過酢酸を利用してピリジンを酸化させてN-酸化ピリジンを生成でき,これは一つの重要なピリジン誘導(dǎo)體であり,窒素原子が酸化された後に,正電荷を帯びるピリジンイオンを生成できないため,アリール基の親電子置換反応に役立つ。ピリジンの求電子置換反応例えばニトロ化、スルホン化、ハロゲン化はいずれも発生しにくいが,ハロゲン化はその前の両者よりわずかに簡(jiǎn)単であり,200℃以上で,3,5-ジクロロピリジン、又は3,4.5-トリクロサンピリジンを取得できる。ピリジンは複數(shù)の金屬イオンとともに結(jié)晶性錯(cuò)化合物を形成することができる。
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Structure Chemical Name CAS MF
6-Methyl-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)picolinonitrile 6-Methyl-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)picolinonitrile 1228431-18-2 C13H17BN2O2
6-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine 6-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine 1214242-09-7 C12H19BN2O2
6-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinonitrile 6-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinonitrile 2710290-01-8 C13H17BN2O2
4(1H)-Pyrimidinone, 6-methyl-2-(3-pyridinyl)- 4(1H)-Pyrimidinone, 6-methyl-2-(3-pyridinyl)- 16879-57-5 C10H9N3O
6-CYCLOBUTOXYPYRIDIN-3-AMINE 6-CYCLOBUTOXYPYRIDIN-3-AMINE 916610-35-0 C9H12N2O
6-シクロブチルピリジン-3-アミン 6-シクロブチルピリジン-3-アミン 1159815-22-1 C9H12N2
6-シクロプロピルピリジン-3-アミン 6-シクロプロピルピリジン-3-アミン 1159821-66-5 C8H10N2
2-Fluoro-5-(methoxycarbonyl)pyridine-3-boronic acid pinacol ester 2-Fluoro-5-(methoxycarbonyl)pyridine-3-boronic acid pinacol ester 1622217-36-0 C13H17BFNO4
2-Fluoro-6-cyanopyridine-3-boronic acid pinacol ester 2-Fluoro-6-cyanopyridine-3-boronic acid pinacol ester 2223049-37-2 C12H14BFN2O2
Pyridine, 6-fluoro-2-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyridine, 6-fluoro-2-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2085307-49-7 C12H17BFNO3
6-fluoro-2,4'-bipyridine 6-fluoro-2,4'-bipyridine 1214360-31-2 C10H7FN2
6-fluoro-2,3'-bipyridine 6-fluoro-2,3'-bipyridine 1214335-26-8 C10H7FN2
6-n-Propyl-3-pyridinol 6-n-Propyl-3-pyridinol 20609-24-9 C8H11NO
3-Pyridinamine,6-propyl-(9CI) 3-Pyridinamine,6-propyl-(9CI) 217302-91-5 C8H12N2
6-プロピル-2-ピリジンアミン 6-プロピル-2-ピリジンアミン 41995-29-3 C8H12N2
6-フェニルピリド-3-イルアミン 6-フェニルピリド-3-イルアミン 126370-67-0 C11H10N2
6-Methyl-5-ethylpyridine-3-boronic acid pinacol ester 6-Methyl-5-ethylpyridine-3-boronic acid pinacol ester 2223036-33-5 C14H22BNO2
6-Methyl-5-(iso-butyl)pyridine-3-boronic acid pinacol ester 6-Methyl-5-(iso-butyl)pyridine-3-boronic acid pinacol ester 2223051-70-3 C16H26BNO2
6-ジエチルアミノピリジン-2-ボロン酸ピナコールエステル 6-ジエチルアミノピリジン-2-ボロン酸ピナコールエステル 1096689-45-0 C15H25BN2O2
6-Chloro-5-(3-hydroxypyrrolidin-1-yl)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(3-hydroxypyrrolidin-1-yl)pyridine-3-boronic acid pinacol ester 2222996-42-9 C15H22BClN2O3
6-Chloro-5-(pyridin-4-yl)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(pyridin-4-yl)pyridine-3-boronic acid pinacol ester 2223049-84-9 C16H18BClN2O2
6-Chloro-5-phenylpyridine-3-boronic acid pinacol ester 6-Chloro-5-phenylpyridine-3-boronic acid pinacol ester 2223049-76-9 C17H19BClNO2
3-Amino-6-(tetrahydrofuran-3-yloxy)pyridine 3-Amino-6-(tetrahydrofuran-3-yloxy)pyridine 1341833-37-1 C9H12N2O2
6-(tetrahydro-2H-pyran-2-yl)pyridin-2-amine 6-(tetrahydro-2H-pyran-2-yl)pyridin-2-amine 1622834-56-3 C10H14N2O
6-Bromo-3-cyclopropyl-2-(trifluoromethyl)pyridine 6-Bromo-3-cyclopropyl-2-(trifluoromethyl)pyridine 2891518-09-3 C9H7BrF3N
2,2'-ビ(6-クロロピリジン) 2,2'-ビ(6-クロロピリジン) 53344-72-2 C10H6Cl2N2
6-(cyclohexyloxy)pyridin-3-amine 6-(cyclohexyloxy)pyridin-3-amine 224187-22-8 C11H16N2O
6-Bromo-2-N,N-dimethylaminopyridine 6-Bromo-2-N,N-dimethylaminopyridine 112575-13-0 C7H9BrN2
6-(ジフルオロメチル)ピリジン-3-アミン 6-(ジフルオロメチル)ピリジン-3-アミン 913090-41-2 C6H6F2N2
2-Pyridinamine, 6-(5-pyrimidinyl)- 2-Pyridinamine, 6-(5-pyrimidinyl)- 827589-03-7 C9H8N4
3-AMINO-6-(TETRAHYDROPYRAN-4-YL)PYRIDINE 3-AMINO-6-(TETRAHYDROPYRAN-4-YL)PYRIDINE 1373148-09-4 C10H14N2O
6-(4-TERT-BUTYLPHENYL)PYRIDIN-3-AMINE 6-(4-TERT-BUTYLPHENYL)PYRIDIN-3-AMINE 1110656-27-3 C15H18N2
6-Chloro-5-(cyclopentoxy)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(cyclopentoxy)pyridine-3-boronic acid pinacol ester 2223030-22-4 C16H23BClNO3
6-Fluoro-5-bromopyridine-3-boronic acid pinacol ester 6-Fluoro-5-bromopyridine-3-boronic acid pinacol ester 2223038-87-5 C11H14BBrFNO2
2-Amino-6-(3-pyridyl)pyrazine 2-Amino-6-(3-pyridyl)pyrazine 925677-98-1 C9H8N4
2-AMINO-6-(4-TRIFLUOROMETHYLPHENYL)PYRIDINE 2-AMINO-6-(4-TRIFLUOROMETHYLPHENYL)PYRIDINE 1159815-87-8 C12H9F3N2
Pyridine, 6-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)- Pyridine, 6-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)- 2710289-82-8 C12H14BF4NO2
6-(p-tolyl)pyridin-2-amine 6-(p-tolyl)pyridin-2-amine 154479-28-4 C12H12N2
6-(oxetan-3-yl)pyridin-3-amine 6-(oxetan-3-yl)pyridin-3-amine 2222937-36-0 C8H10N2O
6-(Difluoromethyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-ol 6-(Difluoromethyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-ol 2710297-93-9 C12H16BF2NO3
2-Pyridinamine,6-(1-piperazinyl)-(9CI) 2-Pyridinamine,6-(1-piperazinyl)-(9CI) 529516-33-4 C9H14N4
6-(PROPAN-2-YLOXY)PYRIDIN-3-AMINE 6-(PROPAN-2-YLOXY)PYRIDIN-3-AMINE 52025-36-2 C8H12N2O
6-(pyridin-3-yl)pyridazin-3-amine 6-(pyridin-3-yl)pyridazin-3-amine 1159817-05-6 C9H8N4
6-(furan-2-yl)pyridin-3-amine 6-(furan-2-yl)pyridin-3-amine 898289-46-8 C9H8N2O
6-DIETHYLAMINO-2-BROMOPYRIDINE 6-DIETHYLAMINO-2-BROMOPYRIDINE 856850-57-2 C9H13BrN2
2-Hydroxy-6-(4-methylphenyl)pyridine 2-Hydroxy-6-(4-methylphenyl)pyridine 129720-57-6 C12H11NO
6-(thiophen-3-yl)pyridin-3-amine 6-(thiophen-3-yl)pyridin-3-amine 1159815-63-0 C9H8N2S
6-Chloro-5-(2-cyanophenyl)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(2-cyanophenyl)pyridine-3-boronic acid pinacol ester 2223052-27-3 C18H18BClN2O2
6-Chloro-5-(3-chlorophenyl)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(3-chlorophenyl)pyridine-3-boronic acid pinacol ester 2223045-41-6 C17H18BCl2NO2
6-Chloro-5-ethylpyridine-3-boronic acid pinacol ester 6-Chloro-5-ethylpyridine-3-boronic acid pinacol ester 2223044-84-4 C13H19BClNO2
3-Amino-6-(cyclohexenyl)pyridine 3-Amino-6-(cyclohexenyl)pyridine 1159821-24-5 C11H14N2
6-THIEN-2-YLPYRID-3-YLAMINE 6-THIEN-2-YLPYRID-3-YLAMINE 898289-44-6 C9H8N2S
6-Bromo-5-methylpyridine-2-boronic acid pinacol ester 6-Bromo-5-methylpyridine-2-boronic acid pinacol ester 2223049-06-5 C12H17BBrNO2
6,6'-DI-TERT-BUTYL-2,2'-BIPYRIDINE 6,6'-DI-TERT-BUTYL-2,2'-BIPYRIDINE 6859-28-5 C18H24N2
6-(3-Fluorophenyl)pyridin-3-aMine 6-(3-Fluorophenyl)pyridin-3-aMine 1214327-17-9 C11H9FN2
6-(4-FLUOROPHENYL)PYRIDIN-2-AMINE 6-(4-FLUOROPHENYL)PYRIDIN-2-AMINE 1159819-35-8 C11H9FN2
5-BROMO-4-CHLORO-2-PICOLINE 5-BROMO-4-CHLORO-2-PICOLINE 1003711-85-0 C6H5BrClN
5-bromo-6-isopropylpyridin-2-amine 5-bromo-6-isopropylpyridin-2-amine 1505779-13-4 C8H11BrN2
3-BroMo-4-chloro-5-hydroxypyridine 3-BroMo-4-chloro-5-hydroxypyridine 1256813-87-2 C5H3BrClNO
6-(2-Fluorophenyl)pyridin-3-ol 6-(2-Fluorophenyl)pyridin-3-ol 859538-49-1 C11H8FNO
3-bromo-5-methoxy-2-(trifluoromethyl)pyridine 3-bromo-5-methoxy-2-(trifluoromethyl)pyridine 1211589-18-2 C7H5BrF3NO
5-ethoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 5-ethoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223053-22-1 C13H20BNO3
6-(4-BROMOPHENYL)PYRIDIN-3-AMINE 6-(4-BROMOPHENYL)PYRIDIN-3-AMINE 1367930-24-2 C11H9BrN2
Pyridine, 5-bromo-4-chloro-2-(difluoromethyl)- Pyridine, 5-bromo-4-chloro-2-(difluoromethyl)- 1806780-80-2 C6H3BrClF2N
6-(tert-butoxy)-2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 6-(tert-butoxy)-2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2460672-03-9 C15H23BFNO3
5-ethoxypyridin-2-amine 5-ethoxypyridin-2-amine 89943-11-3 C7H10N2O
6-(3,5-Difluorophenyl)pyridin-3-aMine 6-(3,5-Difluorophenyl)pyridin-3-aMine 438585-63-8 C11H8F2N2
5-Isobutyl-pyridin-3-ylamine 5-Isobutyl-pyridin-3-ylamine 1434127-16-8 C9H14N2
2-AMINO-6-(4-FLUORO-2-METHYLPHENYL)PYRIDINE 2-AMINO-6-(4-FLUORO-2-METHYLPHENYL)PYRIDINE 882014-54-2 C12H11FN2
6-(1H-PYRAZOL-1-YL)PYRIDIN-3-AMINE 6-(1H-PYRAZOL-1-YL)PYRIDIN-3-AMINE 154095-29-1 C8H8N4
5-ethylpyridin-3-amine 5-ethylpyridin-3-amine 1207529-93-8 C7H10N2
6-(4-bromo-1H-pyrazol-1-yl)pyridin-3-amine 6-(4-bromo-1H-pyrazol-1-yl)pyridin-3-amine 1171054-86-6 C8H7BrN4
Pyridine, 5-bromo-2-methoxy-3-(1-methylethyl)- Pyridine, 5-bromo-2-methoxy-3-(1-methylethyl)- 1256811-07-0 C9H12BrNO
5-ethyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 5-ethyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223040-30-8 C13H20BNO2
5-bromo-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine 5-bromo-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine 2064225-89-2 C12H14BBrF3NO2
6-(4-CHLOROPHENYL)PYRIDIN-2-AMINE 6-(4-CHLOROPHENYL)PYRIDIN-2-AMINE 154479-26-2 C11H9ClN2
5-Ethyl-2-methylpyridin-4-ol 5-Ethyl-2-methylpyridin-4-ol 1803767-32-9 C8H11NO
5-(Acetoxy)pyridine-2-boronic acid pinacol ester 5-(Acetoxy)pyridine-2-boronic acid pinacol ester 2223013-11-2 C13H18BNO4
2-Hydroxy-6-(3,5-difluorophenyl)pyridine 2-Hydroxy-6-(3,5-difluorophenyl)pyridine 1111110-90-7 C11H7F2NO
6-(1-METHYL-1H-PYRAZOL-4-YL)PYRIDIN-2-AMINE 6-(1-METHYL-1H-PYRAZOL-4-YL)PYRIDIN-2-AMINE 1183196-80-6 C9H10N4
6-(2-CHLOROPHENYL)PYRIDIN-3-AMINE 6-(2-CHLOROPHENYL)PYRIDIN-3-AMINE 1119089-76-7 C11H9ClN2
6-(4-AMINOPHENYL)PYRIDIN-3-AMINE 6-(4-AMINOPHENYL)PYRIDIN-3-AMINE 34295-27-7 C11H11N3
6-(4-FLUOROPHENYL)PYRIDIN-3-AMINE 6-(4-FLUOROPHENYL)PYRIDIN-3-AMINE 31676-70-7 C11H9FN2
5-AMINOPYRIDINE-2-BORONIC ACID PINACOL ESTER 5-AMINOPYRIDINE-2-BORONIC ACID PINACOL ESTER 1176723-60-6 C11H17BN2O2
6-(4-Fluorophenyl)-2-hydroxypyridine 6-(4-Fluorophenyl)-2-hydroxypyridine 1111111-04-6 C11H8FNO
2-(Cyclopropylamino)-5-bromopyridine 2-(Cyclopropylamino)-5-bromopyridine 885266-96-6 C8H9BrN2
5-isopropylpyridin-3-amine 5-isopropylpyridin-3-amine 1256821-12-1 C8H12N2
2-AMINO-6-(3-METHYL-1H-PYRAZOL-1-YL)PYRIDINE 2-AMINO-6-(3-METHYL-1H-PYRAZOL-1-YL)PYRIDINE 1314355-36-6 C9H10N4
5-bromo-N-ethyl-N-methyl-pyridin-2-
amine 5-bromo-N-ethyl-N-methyl-pyridin-2- amine 1197294-56-6 C8H11BrN2
5-BroMo-4-chloro-2-ethylpyridine 5-BroMo-4-chloro-2-ethylpyridine 1353855-49-8 C7H7BrClN
6-(4-(trifluoromethyl)phenyl)pyridin-3-amine 6-(4-(trifluoromethyl)phenyl)pyridin-3-amine 600133-35-5 C12H9F3N2
2-Hydroxy-6-(3-methoxyphenyl)pyridine 2-Hydroxy-6-(3-methoxyphenyl)pyridine 1111110-35-0 C12H11NO2
6-(1-METHYL-1H-PYRAZOL-4-YL)PYRIDIN-3-AMINE 6-(1-METHYL-1H-PYRAZOL-4-YL)PYRIDIN-3-AMINE 1190380-28-9 C9H10N4
6-(2-FLUOROPHENYL)PYRIDIN-2-AMINE 6-(2-FLUOROPHENYL)PYRIDIN-2-AMINE 882014-37-1 C11H9FN2
1(2H)-Pyridinecarboxylic acid, 3,4-dihydro-6-[[(trifluoromethyl)sulfonyl]oxy]-, 1,1-dimethylethyl ester 1(2H)-Pyridinecarboxylic acid, 3,4-dihydro-6-[[(trifluoromethyl)sulfonyl]oxy]-, 1,1-dimethylethyl ester 171288-01-0 C11H16F3NO5S
6-(cyclopentyloxy)pyridine-3-boronic acid 6-(cyclopentyloxy)pyridine-3-boronic acid 871829-85-5 C10H14BNO3
5-broMo-N,N-diethylpyridin-2-aMine 5-broMo-N,N-diethylpyridin-2-aMine 1176424-62-6 C9H13BrN2
2-Pyridinamine, 5-bromo-6-ethyl- 2-Pyridinamine, 5-bromo-6-ethyl- 848360-99-6 C7H9BrN2
6-(tert-butyl)-2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 6-(tert-butyl)-2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223036-07-3 C15H23BFNO2
3-AMINO-6-(3-METHOXYPHENYL)PYRIDINE 3-AMINO-6-(3-METHOXYPHENYL)PYRIDINE 1225523-00-1 C12H12N2O
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