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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)晶性錯化合物を形成することができる。
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Structure Chemical Name CAS MF
3-broMo-2-ethoxypyridin-4-aMine 3-broMo-2-ethoxypyridin-4-aMine 1232433-25-8 C7H9BrN2O
4-Amino-2-chloro-3-bromo-5-methylpyridine 4-Amino-2-chloro-3-bromo-5-methylpyridine 1563534-11-1 C6H6BrClN2
3-BROMO-2-CHLORO-5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PYRIDINE 3-BROMO-2-CHLORO-5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PYRIDINE 2223049-72-5 C11H14BBrClNO2
3-Bromo-4-ethyl-2-chloropyridine 3-Bromo-4-ethyl-2-chloropyridine 1622843-50-8 C7H7BrClN
5-Bromo-6-methoxypyridine-3-boronic acid pinacol ester 5-Bromo-6-methoxypyridine-3-boronic acid pinacol ester 2223040-05-7 C12H17BBrNO3
3-bromo-2-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 3-bromo-2-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 1402227-31-9 C12H17BBrNO3
4-AMINO-3-BROMO-2-METHYLPYRIDINE 4-AMINO-3-BROMO-2-METHYLPYRIDINE 97944-41-7 C6H7BrN2
3-BROMO-2-METHYL-5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PYRIDINE 3-BROMO-2-METHYL-5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PYRIDINE 2223051-53-2 C12H17BBrNO2
3-bromo-2-cyclobutoxypyridine 3-bromo-2-cyclobutoxypyridine 1249084-73-8 C9H10BrNO
3-Bromo-2-(cyclobutyl)pyridine 3-Bromo-2-(cyclobutyl)pyridine 1417518-98-9 C9H10BrN
3-broMo-2-cyclopropylpyridine 3-broMo-2-cyclopropylpyridine 944718-27-8 C8H8BrN
Pyridine, 3-bromo-2-fluoro-6-phenyl- Pyridine, 3-bromo-2-fluoro-6-phenyl- 2600399-00-4 C11H7BrFN
3-bromo-2-fluoro-6-(4-methoxyphenyl)pyridine 3-bromo-2-fluoro-6-(4-methoxyphenyl)pyridine 2600399-74-2 C12H9BrFNO
3-bromo-2-fluoro-5-methoxypyridine 3-bromo-2-fluoro-5-methoxypyridine 1227578-33-7 C6H5BrFNO
3-Bromo-2-fluoro-4-methoxy-pyridine 3-Bromo-2-fluoro-4-methoxy-pyridine 1256789-70-4 C6H5BrFNO
3-ブロモ-2,4-ジフルオロピリジン 3-ブロモ-2,4-ジフルオロピリジン 1227502-60-4 C5H2BrF2N
4-Pyridinamine, 3-bromo-2-(trifluoromethyl)- 4-Pyridinamine, 3-bromo-2-(trifluoromethyl)- 1805511-17-4 C6H4BrF3N2
Pyridine, 3-bromo-2-(difluoromethyl)-5-methoxy- Pyridine, 3-bromo-2-(difluoromethyl)-5-methoxy- 1211542-09-4 C7H6BrF2NO
3-Bromo-2-(4-methoxyphenyl)pyridine 3-Bromo-2-(4-methoxyphenyl)pyridine 1171902-79-6 C12H10BrNO
3-Hydroxy-5-(methylethylamino)pyridine 3-Hydroxy-5-(methylethylamino)pyridine 1314356-90-5 C8H12N2O
3-cyclobutoxy-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)pyridine 3-cyclobutoxy-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)pyridine 1257553-86-8 C15H22BNO3
3-bromo-2,2'-bipyridine 3-bromo-2,2'-bipyridine 956111-71-0 C10H7BrN2
5-(n-Propoxy)pyridine-3-boronic acid pinacol ester 5-(n-Propoxy)pyridine-3-boronic acid pinacol ester 1375301-82-8 C14H22BNO3
5-(n-Propyl)pyridine-3-boronic acid pinacol ester 5-(n-Propyl)pyridine-3-boronic acid pinacol ester 1884166-49-7 C14H22BNO2
3-Pyridinamine, 4-(1,1-dimethylethyl)- 3-Pyridinamine, 4-(1,1-dimethylethyl)- 1374665-69-6 C9H14N2
3-Amino-6-(iso-propenyl)pyridine 3-Amino-6-(iso-propenyl)pyridine 1314354-14-7 C8H10N2
3-cyclopropyl-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)pyridine 3-cyclopropyl-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)pyridine 2096333-32-1 C14H20BNO2
3-Methyl-2-(n-propyl)pyridine-4-boronic acid pinacol ester 3-Methyl-2-(n-propyl)pyridine-4-boronic acid pinacol ester 2223036-16-4 C15H24BNO2
3-Hydroxy-5-(cyclohexyl)pyridine 3-Hydroxy-5-(cyclohexyl)pyridine 1314353-72-4 C11H15NO
3-Hydroxy-6-(3-furyl)pyridine 3-Hydroxy-6-(3-furyl)pyridine 1159821-05-2 C9H7NO2
3-シクロプロピルピリジン-4-アミン 3-シクロプロピルピリジン-4-アミン 1338998-82-5 C8H10N2
3-Bromo-2-(1-methyl-1H-pyrazol-4-yl)pyridine 3-Bromo-2-(1-methyl-1H-pyrazol-4-yl)pyridine 1563532-18-2 C9H8BrN3
3-Hydroxy-6-(2-methylthiazol-4-yl)pyridine 3-Hydroxy-6-(2-methylthiazol-4-yl)pyridine 1159820-46-8 C9H8N2OS
3-methyl-1-(pyridin-4-yl)-1H-pyrazol-4-amine 3-methyl-1-(pyridin-4-yl)-1H-pyrazol-4-amine 1549403-80-6 C9H10N4
3-HYDROXYPYRIDINE-2-BORONIC ACID PINACOL ESTER 3-HYDROXYPYRIDINE-2-BORONIC ACID PINACOL ESTER 1259198-70-3 C11H16BNO3
3-フルオロ-5-(4,4,5,5-テトラメチル-1,3,2-ジオキサボロラン-2-イル)ピリジン-2-オール 3-フルオロ-5-(4,4,5,5-テトラメチル-1,3,2-ジオキサボロラン-2-イル)ピリジン-2-オール 1333319-76-8 C11H15BFNO3
3-フェニルピリジン-4-アミン 3-フェニルピリジン-4-アミン 1211524-38-7 C11H10N2
3-Hydroxy-5-(3, 4-difluorophenyl)pyridine 3-Hydroxy-5-(3, 4-difluorophenyl)pyridine 1261901-49-8 C11H7F2NO
5-エトキシピリジン-3-アミン 5-エトキシピリジン-3-アミン 51468-00-9 C7H10N2O
3-Pyridinemethanol,5-hydroxy-(9CI) 3-Pyridinemethanol,5-hydroxy-(9CI) 51035-70-2 C6H7NO2
3-IODO-5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-PYRIDINE 3-IODO-5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-PYRIDINE 857934-93-1 C11H15BINO2
3-Bromo-2-(4-methylphenyl)pyridine 3-Bromo-2-(4-methylphenyl)pyridine 1171900-40-5 C12H10BrN
3-fluoro-6-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2-carbonitrile 3-fluoro-6-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2-carbonitrile 2213439-15-5 C12H14BFN2O2
3-propoxypyridin-2-amine 3-propoxypyridin-2-amine 115835-69-3 C8H12N2O
3-Bromo-2-(4-fluorophenyl)pyridine 3-Bromo-2-(4-fluorophenyl)pyridine 1417519-79-9 C11H7BrFN
3-Hydroxy-6-(2-tolyl)pyridine 3-Hydroxy-6-(2-tolyl)pyridine 1255636-18-0 C12H11NO
3-Pyridinecarboxylic acid, 2,4-dibromo-, methyl ester 3-Pyridinecarboxylic acid, 2,4-dibromo-, methyl ester 1804420-28-7 C7H5Br2NO2
3-cyclopropylpyridin-2-aMine 3-cyclopropylpyridin-2-aMine 878805-25-5 C8H10N2
3-ヒドロキシ-5-(2-トリフルオロメチルフェニル)ピリジン 3-ヒドロキシ-5-(2-トリフルオロメチルフェニル)ピリジン 1261640-32-7 C12H8F3NO
3-Bromo-2-(3-chlorophenyl)pyridine 3-Bromo-2-(3-chlorophenyl)pyridine 1417519-07-3 C11H7BrClN
2-[4-(トリフルオロメチル)フェニル]-3-ブロモピリジン 2-[4-(トリフルオロメチル)フェニル]-3-ブロモピリジン 1259091-98-9 C12H7BrF3N
3-Hydroxy-5-(3, 5-difluorophenyl)pyridine 3-Hydroxy-5-(3, 5-difluorophenyl)pyridine 1261995-95-2 C11H7F2NO
3-Hydroxy-5-ethylpyridine 3-Hydroxy-5-ethylpyridine 62003-48-9 C7H9NO
Pyridine, 3-nitro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyridine, 3-nitro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2148346-12-5 C11H15BN2O4
3-BROMO-4-(3'-FLUOROPHENYL)PYRIDINE 3-BROMO-4-(3'-FLUOROPHENYL)PYRIDINE 887267-21-2 C11H7BrFN
3-Bromo-4-(3-thienyl)-2-pyridinecarbonitrile 3-Bromo-4-(3-thienyl)-2-pyridinecarbonitrile 1622844-19-2 C10H5BrN2S
3-Bromo-4-(4-aminophenyl)pyridine 3-Bromo-4-(4-aminophenyl)pyridine 1563528-90-4 C11H9BrN2
3-Bromo-4-(methylethylamino)pyridine 3-Bromo-4-(methylethylamino)pyridine 1289057-51-7 C8H11BrN2
3-Bromo-5-(sec-butyl)pyridine 3-Bromo-5-(sec-butyl)pyridine 1434127-12-4 C9H12BrN
3-ethyl-5-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)pyridine 3-ethyl-5-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)pyridine 1220696-49-0 C13H20BNO2
3-Bromo-4-(3-thienyl)pyridine 3-Bromo-4-(3-thienyl)pyridine 1374665-11-8 C9H6BrNS
3-BROMO-4-(3'-METHOXYPHENYL)PYRIDINE 3-BROMO-4-(3'-METHOXYPHENYL)PYRIDINE 1017794-23-8 C12H10BrNO
3-Bromo-4-(3-thienyl)-2-chloropyridine 3-Bromo-4-(3-thienyl)-2-chloropyridine 1622840-38-3 C9H5BrClNS
3-Cyano-2-methylpyridine-4-boronic acid pinacol ester 3-Cyano-2-methylpyridine-4-boronic acid pinacol ester 2223045-71-2 C13H17BN2O2
3-Bromo-5-(1H-pyridin-2-one)pyridine 3-Bromo-5-(1H-pyridin-2-one)pyridine 1314356-88-1 C10H7BrN2O
3-Hydroxy-2-(thiazol-4-yl)pyridine 3-Hydroxy-2-(thiazol-4-yl)pyridine 1417518-80-9 C8H6N2OS
3-bromo-5-(2-methyl-1H-imidazol-1-yl)pyridine 3-bromo-5-(2-methyl-1H-imidazol-1-yl)pyridine 1289078-48-3 C9H8BrN3
3-Chloro-2-(1,4-dioxan-2-yl)pyridine 3-Chloro-2-(1,4-dioxan-2-yl)pyridine 1622834-15-4 C9H10ClNO2
3-BROMO-4-(4-METHYLIMIDAZOL-1-YL)PYRIDINE 3-BROMO-4-(4-METHYLIMIDAZOL-1-YL)PYRIDINE 1289130-14-8 C9H8BrN3
3-Bromo-5-(5-pyrimidyl)pyridine 3-Bromo-5-(5-pyrimidyl)pyridine 1314355-76-4 C9H6BrN3
3-Bromo-6-(3-hydroxypiperidin-1-yl)pyridine 3-Bromo-6-(3-hydroxypiperidin-1-yl)pyridine 1159815-32-3 C10H13BrN2O
3-Bromo-4-(3-furyl)pyridine 3-Bromo-4-(3-furyl)pyridine 1374665-23-2 C9H6BrNO
3-Bromo-4-(3-tolyl)pyridine 3-Bromo-4-(3-tolyl)pyridine 1374665-00-5 C12H10BrN
3-Bromo-5-(cyclohexyloxy)pyridine 3-Bromo-5-(cyclohexyloxy)pyridine 422557-11-7 C11H14BrNO
3-Bromo-5-(tetrahydrofuran-3-yl)pyridine 3-Bromo-5-(tetrahydrofuran-3-yl)pyridine 1434127-67-9 C9H10BrNO
3-Hydroxy-5-(2-fluorophenyl)pyridine 3-Hydroxy-5-(2-fluorophenyl)pyridine 1214342-56-9 C11H8FNO
3-ブロモ-5-(4-クロロフェニル)ピリジン 3-ブロモ-5-(4-クロロフェニル)ピリジン 675590-22-4 C11H7BrClN
3-Bromo-4-amino-6-(2-pyridyl)pyridine 3-Bromo-4-amino-6-(2-pyridyl)pyridine 1381942-19-3 C10H8BrN3
3-BROMO-6-(2-AMINOPHENYL)PYRIDINE 3-BROMO-6-(2-AMINOPHENYL)PYRIDINE 1563533-80-1 C11H9BrN2
3-Hydroxy-2-(2-thienyl)pyridine 3-Hydroxy-2-(2-thienyl)pyridine 500706-99-0 C9H7NOS
3-bromo-5-(4-methyl-1H-imidazol-1-yl)pyridine 3-bromo-5-(4-methyl-1H-imidazol-1-yl)pyridine 1289078-51-8 C9H8BrN3
3-Bromo-4-(iso-propyl)-2-chloropyridine 3-Bromo-4-(iso-propyl)-2-chloropyridine 1622842-64-1 C8H9BrClN
3-Bromo-4-(tert-butyl)pyridine 3-Bromo-4-(tert-butyl)pyridine 90731-98-9 C9H12BrN
3-Bromo-5-(3, 5-difluorophenyl)pyridine 3-Bromo-5-(3, 5-difluorophenyl)pyridine 1276123-24-0 C11H6BrF2N
3-Hydroxy-2-(2-fluorophenyl)pyridine 3-Hydroxy-2-(2-fluorophenyl)pyridine 1214329-15-3 C11H8FNO
3-Hydroxy-2-(2-trifluoromethylphenyl)pyridine 3-Hydroxy-2-(2-trifluoromethylphenyl)pyridine 1261466-20-9 C12H8F3NO
3-Bromo-6-methyl-2-(trifluoromethyl)pyridine 3-Bromo-6-methyl-2-(trifluoromethyl)pyridine 1211517-98-4 C7H5BrF3N
3-Bromo-4-(tert-butyl)-2-chloropyridine 3-Bromo-4-(tert-butyl)-2-chloropyridine 1622838-88-3 C9H11BrClN
3-Bromo-5-(tetrahydropyran-3-yl)pyridine 3-Bromo-5-(tetrahydropyran-3-yl)pyridine 1434127-09-9 C10H12BrNO
3-Bromo-6-(3-tetrahydropyranyl)pyridine 3-Bromo-6-(3-tetrahydropyranyl)pyridine 1353853-41-4 C10H12BrNO
3-Bromo-5-(2-methoxyphenyl)pyridine 3-Bromo-5-(2-methoxyphenyl)pyridine 1276123-25-1 C12H10BrNO
3-BROMO-4-(3-METHYLPIPERIDIN-1-YL)PYRIDINE 3-BROMO-4-(3-METHYLPIPERIDIN-1-YL)PYRIDINE 1289131-92-5 C11H15BrN2
3-BROMO-4-(CYCLOHEXYLOXY)PYRIDINE 3-BROMO-4-(CYCLOHEXYLOXY)PYRIDINE 1289127-26-9 C11H14BrNO
3-Cyclopropyl-2-fluoro-4-methylpyridine 3-Cyclopropyl-2-fluoro-4-methylpyridine 2294945-13-2 C9H10FN
3-Bromo-5-(1-pyrrolidinyl)-pyridine 3-Bromo-5-(1-pyrrolidinyl)-pyridine 944718-19-8 C9H11BrN2
3-ブロモ-4-(4-メトキシフェニル)ピリジン 3-ブロモ-4-(4-メトキシフェニル)ピリジン 88345-97-5 C12H10BrNO
3-BROMO-4-(2-TETRAHYDROPYRANYL)PYRIDINE 3-BROMO-4-(2-TETRAHYDROPYRANYL)PYRIDINE 1622834-68-7 C10H12BrNO
3-Bromo-5-(3-methylpiperidin-1-yl)pyridine 3-Bromo-5-(3-methylpiperidin-1-yl)pyridine 1289198-33-9 C11H15BrN2
3-Hydroxy-2-(cyclopentyl)pyridine 3-Hydroxy-2-(cyclopentyl)pyridine 188669-96-7 C10H13NO
3-BROMO-4-(4'-FLUOROPHENYL)PYRIDINE 3-BROMO-4-(4'-FLUOROPHENYL)PYRIDINE 887267-20-1 C11H7BrFN
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