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複素環(huán)式化合物

複素環(huán)式化合物は炭素原子と非炭素原子により構成される環(huán)狀構造の化合物である。これらの非炭素原子はヘテロ原子と総稱され,一般的なヘテロ原子は窒素、酸素、硫黃等である。前述したラクトン、ラクタム、環(huán)狀エーテル等の化合物はいずれも複素環(huán)式化合物であり,しかしこれらの化合物の性質は同じ種類の鎖式化合物と類似するため,いずれも対応する章節(jié)に組み込んで説明する。本章は主に環(huán)構造が穏やかで、ある程度の芳香族性を有する複素環(huán)式化合物,即ち芳香族複素環(huán)式化合物を説明する。 複素環(huán)式化合物は種類が膨大であり,數(shù)量が多く,自然界に広く分布しており,多くの天然の複素環(huán)式化合物は動物、植物の體內で重要な生理學的作用を果たす。例えば:植物內のクロロフィル、動物の血中ヘモグロビン、漢方薬中の有効成分のアルカロイドと一部の配糖體、一部の抗生物質とビタミン、タンパク質のあるアミノ酸とヌクレオチドを構成する塩基等はいずれも複素環(huán)構造を含有する。従來の薬物中で、複素環(huán)構造を含有するものは約半分を占める。そのため,複素環(huán)式化合物は有機化合物(特に有機薬物)中で重要な地位を占める。 複素環(huán)式化合物中で五員、六員複素環(huán)及びそれらの縮合複素環(huán)化合物は最も普及しており,かつ最も重要である。そのため環(huán)のサイズによって,複素環(huán)式化合物は五員複素環(huán)及び六員複素環(huán)という二つの種類に分けられる。例えば上記フラン、チオフェン、ピロール、オキサゾール、イミダゾール及びそれらの縮合複素環(huán)化合物のインドール、ベンゾイミダゾール、ジベンゾフラン等はいずれも五員複素環(huán)式化合物であり,それに対してピリジン、ピリミジン及びそれらの縮合複素環(huán)化合物のキノリン、キナゾリン等はいずれも六員複素環(huán)式化合物である。 各五員複素環(huán)式化合物と六員複素環(huán)式化合物中で,環(huán)構造中のヘテロ原子の數(shù)量によって,また一つのヘテロ原子を含有する複素環(huán)及び二つ又はそれ以上のヘテロ原子を含有する複素環(huán)に分けられる。例えばフラン、チオフェン、ピリジン、インドール、キノリン、ジベンゾフラン等は一つのヘテロ原子を含有する複素環(huán)式化合物である;イミダゾール、ピリミジン、ベンゾイミダゾール、キナゾリン等は二つのヘテロ原子を含有する複素環(huán)式化合物である;それに対してプリンは二つ以上のヘテロ原子を含有するため,即ち複數(shù)のヘテロ原子を含有する複素環(huán)式化合物である。分子中の環(huán)構造の形式によって,複素環(huán)式化合物はさらに複素単環(huán)及び縮合複素環(huán)という二つの種類に分けられる。例えばフラン、ピリジン、ピリミジン、イミダゾール等はいずれも複素単環(huán)式化合物であり,インドール、キノリン、ジベンゾフラン、プリン等は縮合複素環(huán)式化合物である。
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Structure Chemical Name CAS MF
5-BROMO-2-(THIOPHEN-2-YL)PYRIDIN-4-AMINE 5-BROMO-2-(THIOPHEN-2-YL)PYRIDIN-4-AMINE 1381934-83-3 C9H7BrN2S
5-Bromo-2-(n-propyl)thiazole 5-Bromo-2-(n-propyl)thiazole 1086382-48-0 C6H8BrNS
2-(4-METHYLPIPERAZIN-1-YL)-5-BROMOTHIAZOLE 2-(4-METHYLPIPERAZIN-1-YL)-5-BROMOTHIAZOLE 623588-32-9 C8H12BrN3S
5-Bromo2-(iso-propenyl)thiazole 5-Bromo2-(iso-propenyl)thiazole 1314354-02-3 C6H6BrNS
5-BROMO-2-(FURAN-3-YL)PYRIDIN-4-AMINE 5-BROMO-2-(FURAN-3-YL)PYRIDIN-4-AMINE 1381935-19-8 C9H7BrN2O
5-BROMO-2-(4-FLUOROPHENYL)PYRIDIN-4-AMINE 5-BROMO-2-(4-FLUOROPHENYL)PYRIDIN-4-AMINE 1381941-09-8 C11H8BrFN2
5-BROMO-2-(3-METHYLPHENYL)PYRIDIN-4-AMINE 5-BROMO-2-(3-METHYLPHENYL)PYRIDIN-4-AMINE 1381943-82-3 C12H11BrN2
5-BROMO-2-(3-CHLOROPHENYL)PYRIDIN-4-AMINE 5-BROMO-2-(3-CHLOROPHENYL)PYRIDIN-4-AMINE 1381943-87-8 C11H8BrClN2
5-BROMO-2-(2-HYDROXYPIPERIDIN-1-YL)PYRIDIN-4-AMINE 5-BROMO-2-(2-HYDROXYPIPERIDIN-1-YL)PYRIDIN-4-AMINE 1381938-20-0 C10H14BrN3O
5-Bromo-2-(1H-pyridin-2-one)thiazole 5-Bromo-2-(1H-pyridin-2-one)thiazole 959239-63-5 C8H5BrN2OS
5-bromo-1-cyclopropylpyridin-2(1H)-one 5-bromo-1-cyclopropylpyridin-2(1H)-one 1193334-67-6 C8H8BrNO
5-アミノ-3-メチルピリジン-2-オール 5-アミノ-3-メチルピリジン-2-オール 20252-07-7 C6H8N2O
5-Amino-3,4,5,6-tetrahydro-2H-[1,3]bipyridinyl-3-ol 5-Amino-3,4,5,6-tetrahydro-2H-[1,3]bipyridinyl-3-ol 1563530-83-5 C10H15N3O
5-Amino-2-(4-tolyl)thiazole 5-Amino-2-(4-tolyl)thiazole 1159814-87-5 C10H10N2S
5-Amino-2-(3-tolyl)thiazole 5-Amino-2-(3-tolyl)thiazole 1159817-27-2 C10H10N2S
5-Amino-2-(2-trifluoromethylphenyl)thiazole 5-Amino-2-(2-trifluoromethylphenyl)thiazole 1159821-86-9 C10H7F3N2S
5-Amino-2-(2-chlorophenyl)thiazole 5-Amino-2-(2-chlorophenyl)thiazole 1353853-65-2 C9H7ClN2S
5-Amino-2-(1,4-dioxan-2-yl)thiazole 5-Amino-2-(1,4-dioxan-2-yl)thiazole 1622835-17-9 C7H10N2O2S
4-bromo-1-(2,2-difluorocyclopropyl)-1H-1,2,3-triazole 4-bromo-1-(2,2-difluorocyclopropyl)-1H-1,2,3-triazole 2645419-18-5 C5H4BrF2N3
4-bromo-1-(4-fluorophenyl)-1H-1,2,3-triazole 4-bromo-1-(4-fluorophenyl)-1H-1,2,3-triazole 2256748-70-4 C8H5BrFN3
4-bromo-2-((1-methylazetidin-3-yl)oxy)pyrimidine 4-bromo-2-((1-methylazetidin-3-yl)oxy)pyrimidine 2645416-31-3 C8H10BrN3O
2-(azetidin-1-yl)-5-fluoropyridine 2-(azetidin-1-yl)-5-fluoropyridine 2645416-33-5 C8H9FN2
4-bromo-3-((tetrahydrofuran-2-yl)methoxy)pyridine 4-bromo-3-((tetrahydrofuran-2-yl)methoxy)pyridine 2090871-23-9 C10H12BrNO2
6-(4-メチルピペラジン-1-イル)ピリジン-2-アミン 6-(4-メチルピペラジン-1-イル)ピリジン-2-アミン 54132-20-6 C10H16N4
4-(tert-butyl)-6-methylpyridin-2(1H)-one 4-(tert-butyl)-6-methylpyridin-2(1H)-one 1512954-44-7 C10H15NO
5-amino-3-propylpyridin-2(1H)-one 5-amino-3-propylpyridin-2(1H)-one 2460494-40-8 C8H12N2O
5-bromo-4-chloro-2-isobutylpyrimidine 5-bromo-4-chloro-2-isobutylpyrimidine 1509494-36-3 C8H10BrClN2
5-(5-bromo-4-chloropyrimidin-2-yl)thiazole 5-(5-bromo-4-chloropyrimidin-2-yl)thiazole 1516735-59-3
5-(4-bromo-2-fluoro-1H-imidazol-1-yl)pyrimidine 5-(4-bromo-2-fluoro-1H-imidazol-1-yl)pyrimidine 2460500-82-5 C7H4BrFN4
2-クロロ-6-(ピロリジン-2-イル)ピリジン 2-クロロ-6-(ピロリジン-2-イル)ピリジン 524674-59-7 C9H11ClN2
5-bromo-4-(tetrahydrofuran-2-yl)-1H-1,2,3-triazole 5-bromo-4-(tetrahydrofuran-2-yl)-1H-1,2,3-triazole 2460491-89-6 C6H8BrN3O
5-cyclopropyl-4-methyl-1H-1,2,3-triazole 5-cyclopropyl-4-methyl-1H-1,2,3-triazole 2460501-12-4 C6H9N3
(2-fluoro-6-(methyl-d3)pyridin-3-yl-4,5-d2)boronic acid (2-fluoro-6-(methyl-d3)pyridin-3-yl-4,5-d2)boronic acid 2368221-17-2 C6H2BD5FNO2
(5-fluoro-6-(methoxy-d3)pyridin-3-yl-2,4-d2)boronic acid (5-fluoro-6-(methoxy-d3)pyridin-3-yl-2,4-d2)boronic acid 2368221-22-9 C6H2BD5FNO3
(2,6-bis(methyl-d3)pyridin-3-yl)boronic acid (2,6-bis(methyl-d3)pyridin-3-yl)boronic acid 2710290-91-6 C7H4BD6NO2
(5-fluoropyridin-3-yl-2,4-d2)boronic acid (5-fluoropyridin-3-yl-2,4-d2)boronic acid
N4,N4-ジメチルピリジン-2,4-ジアミン N4,N4-ジメチルピリジン-2,4-ジアミン 50426-31-8 C7H11N3
5-(tetrahydro-2H-pyran-2-yl)pyridin-2-amine 5-(tetrahydro-2H-pyran-2-yl)pyridin-2-amine 1622835-10-2 C10H14N2O
1-(2-methylpyridin-4-yl)-1H-1,2,3-triazol-4-amine 1-(2-methylpyridin-4-yl)-1H-1,2,3-triazol-4-amine 2256754-48-8 C8H9N5
4-(4-bromo-1H-1,2,3-triazol-1-yl)-2-fluoropyridine 4-(4-bromo-1H-1,2,3-triazol-1-yl)-2-fluoropyridine 2256754-51-3 C7H4BrFN4
4-bromo-2-(pyrrolidin-1-yl)oxazole 4-bromo-2-(pyrrolidin-1-yl)oxazole 1893036-67-3 C7H9BrN2O
2-(difluoromethyl)-5-methoxypyridin-3-ol 2-(difluoromethyl)-5-methoxypyridin-3-ol 1804707-64-9 C7H7F2NO2
5-(4-bromo-1H-pyrazol-1-yl-3,5-d2)pyridin-2-amine 5-(4-bromo-1H-pyrazol-1-yl-3,5-d2)pyridin-2-amine 2256745-21-6 C8H5BrD2N4
2-bromo-6-(4-bromo-1H-pyrazol-1-yl-3,5-d2)pyridine 2-bromo-6-(4-bromo-1H-pyrazol-1-yl-3,5-d2)pyridine 2256745-26-1 C8H3Br2D2N3
2-bromo-4-(4-bromo-1H-imidazol-1-yl-2,5-d2)pyridine-3,5,6-d3 2-bromo-4-(4-bromo-1H-imidazol-1-yl-2,5-d2)pyridine-3,5,6-d3 2256745-41-0 C8Br2D5N3
2-bromo-3-(4-bromo-1H-imidazol-1-yl-2,5-d2)pyridine 2-bromo-3-(4-bromo-1H-imidazol-1-yl-2,5-d2)pyridine 2256745-46-5 C8H3Br2D2N3
5-(4-bromo-1H-imidazol-1-yl-2,5-d2)pyridin-3,4,6-d3-2-amine 5-(4-bromo-1H-imidazol-1-yl-2,5-d2)pyridin-3,4,6-d3-2-amine 2256745-62-5 C8H2BrD5N4
3-bromo-5-(4-(methyl-d3)-1H-imidazol-1-yl-2,5-d2)pyridine 3-bromo-5-(4-(methyl-d3)-1H-imidazol-1-yl-2,5-d2)pyridine 2256745-67-0 C9H3BrD5N3
4-bromo-3-(4-(methyl-d3)-1H-imidazol-1-yl-2,5-d2)pyridine-2,5,6-d3 4-bromo-3-(4-(methyl-d3)-1H-imidazol-1-yl-2,5-d2)pyridine-2,5,6-d3 2256745-73-8 C9BrD8N3
3-Hydroxy-5-(4-tert-butylphenyl)pyridine 3-Hydroxy-5-(4-tert-butylphenyl)pyridine 1261931-94-5 C15H17NO
5-(TERT-BUTYL)PYRIDIN-2-AMINE 5-(TERT-BUTYL)PYRIDIN-2-AMINE 866620-21-5 C9H14N2
5,5'-Di(iso-propyl)-2,2'-bithiazole 5,5'-Di(iso-propyl)-2,2'-bithiazole 1622839-57-9 C12H16N2S2
5-(PIPERIDIN-4-YL)PYRIDIN-3-OL 5-(PIPERIDIN-4-YL)PYRIDIN-3-OL 1256806-24-2 C10H14N2O
N3,N3-ジメチルピリジン-2,3-ジアミン N3,N3-ジメチルピリジン-2,3-ジアミン 50426-30-7 C7H11N3
4-bromo-2-(2-methoxyethoxy)thiazole 4-bromo-2-(2-methoxyethoxy)thiazole 1289262-43-6 C6H8BrNO2S
2-(bicyclo[1.1.1]pentan-1-yl)-6-bromopyridine 2-(bicyclo[1.1.1]pentan-1-yl)-6-bromopyridine 2697156-61-7 C10H10BrN
1-(pyrimidin-5-yl)-1H-1,2,3-triazol-4-amine 1-(pyrimidin-5-yl)-1H-1,2,3-triazol-4-amine 1694456-11-5 C6H6N6
2-bromo-4-(3-methylbicyclo[1.1.1]pentan-1-yl)pyrimidine 2-bromo-4-(3-methylbicyclo[1.1.1]pentan-1-yl)pyrimidine 2697155-18-1 C10H11BrN2
4-bromo-2-(3-methylbicyclo[1.1.1]pentan-1-yl)-2H-1,2,3-triazole 4-bromo-2-(3-methylbicyclo[1.1.1]pentan-1-yl)-2H-1,2,3-triazole 2697162-36-8 C8H10BrN3
5-bromo-2-(pyrimidin-2-yl)oxazole 5-bromo-2-(pyrimidin-2-yl)oxazole 2697155-27-2 C7H4BrN3O
4-bromo-2-(pyridin-4-yl)oxazole 4-bromo-2-(pyridin-4-yl)oxazole 1402671-57-1 C8H5BrN2O
5-(4-bromo-1H-1,2,3-triazol-1-yl)-2-methylpyridine 5-(4-bromo-1H-1,2,3-triazol-1-yl)-2-methylpyridine 2256754-58-0 C8H7BrN4
4-bromo-1-(4-chlorophenyl)-1H-1,2,3-triazole 4-bromo-1-(4-chlorophenyl)-1H-1,2,3-triazole 2256754-63-7 C8H5BrClN3
2-(difluoromethyl)-5-methoxypyridin-3-amine 2-(difluoromethyl)-5-methoxypyridin-3-amine 1805256-41-0 C7H8F2N2O
3-bromo-4-cyclopentyl-4H-1,2,4-triazole 3-bromo-4-cyclopentyl-4H-1,2,4-triazole 2460490-07-5 C7H10BrN3
4-(3-bromo-4H-1,2,4-triazol-4-yl)thiazole 4-(3-bromo-4H-1,2,4-triazol-4-yl)thiazole 2460492-14-0 C5H3BrN4S
3-bromo-4-(2-methoxyphenyl)-4H-1,2,4-triazole 3-bromo-4-(2-methoxyphenyl)-4H-1,2,4-triazole 2460494-58-8 C9H8BrN3O
4-(p-tolyl)-4H-1,2,4-triazol-3-amine 4-(p-tolyl)-4H-1,2,4-triazol-3-amine 107733-42-6 C9H10N4
4-cyclohexyl-4H-1,2,4-triazol-3-amine 4-cyclohexyl-4H-1,2,4-triazol-3-amine 1248293-50-6 C8H14N4
4-isobutyl-5-methyl-4H-1,2,4-triazol-3-amine 4-isobutyl-5-methyl-4H-1,2,4-triazol-3-amine 2460500-98-3 C7H14N4
3,5-dibromo-4-(sec-butyl)-4H-1,2,4-triazole 3,5-dibromo-4-(sec-butyl)-4H-1,2,4-triazole 2460493-65-4 C6H9Br2N3
3,5-dibromo-4-cyclohexyl-4H-1,2,4-triazole 3,5-dibromo-4-cyclohexyl-4H-1,2,4-triazole 2460500-38-1 C8H11Br2N3
2-(5-bromo-2-methoxy-1H-imidazol-1-yl)pyridine 2-(5-bromo-2-methoxy-1H-imidazol-1-yl)pyridine 2294957-68-7 C9H8BrN3O
4-bromo-6,6'-bis(trifluoromethyl)-2,2'-bipyridine 4-bromo-6,6'-bis(trifluoromethyl)-2,2'-bipyridine 2294949-08-7 C12H5BrF6N2
4-(azetidin-1-yl)-2-bromopyridine 4-(azetidin-1-yl)-2-bromopyridine 1936404-36-2 C8H9BrN2
5-fluoro-1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 5-fluoro-1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2364586-36-5 C9H15BFN3O2
1-cyclopentyl-5-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 1-cyclopentyl-5-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2364585-91-9 C14H24BN3O3
5-(4H-1,2,4-triazol-3-yl)pyrimidine 5-(4H-1,2,4-triazol-3-yl)pyrimidine 2204187-48-2 C6H5N5
2-(4-bromo-3-methyl-1H-pyrazol-1-yl)pyridine 2-(4-bromo-3-methyl-1H-pyrazol-1-yl)pyridine 2460492-64-0 C9H8BrN3
3-bromo-2-fluoro-6-(o-tolyl)pyridine 3-bromo-2-fluoro-6-(o-tolyl)pyridine 2600399-53-7 C12H9BrFN
6-Methoxycarbonyl-6'-cyano-2,2'-bipyridine 6-Methoxycarbonyl-6'-cyano-2,2'-bipyridine 1185316-34-0 C13H9N3O2
1-(8-bromoquinoxalin-5-yl)ethan-1-one 1-(8-bromoquinoxalin-5-yl)ethan-1-one 2383974-38-5 C10H7BrN2O
tert-butyl 4-(4-bromopyridin-2-yl)-3-methylpiperidine-1-carboxylate tert-butyl 4-(4-bromopyridin-2-yl)-3-methylpiperidine-1-carboxylate 2806720-64-7 C16H23BrN2O2
2-(3-(oxetan-3-yl)phenyl)morpholine 2-(3-(oxetan-3-yl)phenyl)morpholine 1895696-97-5 C13H17NO2
2-(4-bromopyridin-2-yl)tetrahydro-4H-pyran-4-one 2-(4-bromopyridin-2-yl)tetrahydro-4H-pyran-4-one 2806729-67-7 C10H10BrNO2
2-(4-bromo-1H-imidazol-1-yl-2,5-d2)pyridin-3,5,6-d3-4-amine 2-(4-bromo-1H-imidazol-1-yl-2,5-d2)pyridin-3,5,6-d3-4-amine 2256745-88-5 C8H2BrD5N4
3-bromo-2-(4-bromo-1H-imidazol-1-yl-2,5-d2)pyridine-4,5,6-d3 3-bromo-2-(4-bromo-1H-imidazol-1-yl-2,5-d2)pyridine-4,5,6-d3 2256745-93-2 C8Br2D5N3
6-(1H-pyrazol-1-yl-d3)pyridazin-4,5-d2-3-amine 6-(1H-pyrazol-1-yl-d3)pyridazin-4,5-d2-3-amine 2256746-94-6 C7H2D5N5
5-bromo-2-(1H-imidazol-1-yl-d3)pyrimidine 5-bromo-2-(1H-imidazol-1-yl-d3)pyrimidine 2256746-99-1 C7H2BrD3N4
4-(1H-pyrazol-1-yl-d3)pyrimidin-2-amine 4-(1H-pyrazol-1-yl-d3)pyrimidin-2-amine 2256747-18-7 C7H4D3N5
4-(sec-butyl)-2-fluoropyridine 4-(sec-butyl)-2-fluoropyridine 2256747-92-7 C9H12FN
4-cyclobutoxy-2-fluoropyridine 4-cyclobutoxy-2-fluoropyridine 1566188-16-6 C9H10FNO
2-(tert-butoxy)-4-fluoropyridine 2-(tert-butoxy)-4-fluoropyridine 2256748-02-2 C9H12FNO
1-(4-fluoropyridin-2-yl)-1H-pyrazol-4-amine 1-(4-fluoropyridin-2-yl)-1H-pyrazol-4-amine 2256748-13-5 C8H7FN4
6-(oxetan-3-yloxy)pyridin-2-amine 6-(oxetan-3-yloxy)pyridin-2-amine 1602836-35-0 C8H10N2O2
1-(5-fluoropyridin-2-yl)-1H-imidazol-4-amine 1-(5-fluoropyridin-2-yl)-1H-imidazol-4-amine 2256748-19-1 C8H7FN4
5-bromo-2-cyclohexyl-4-methylpyrimidine 5-bromo-2-cyclohexyl-4-methylpyrimidine 1780321-24-5 C11H15BrN2
5-bromo-4-methyl-2-(4l2-piperazin-1-yl)pyrimidine 5-bromo-4-methyl-2-(4l2-piperazin-1-yl)pyrimidine 1892822-63-7 C9H13BrN4
2-(4-bromo-1H-imidazol-2-yl)-4-fluoropyridine 2-(4-bromo-1H-imidazol-2-yl)-4-fluoropyridine 2256748-22-6 C8H5BrFN3
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2,3,5,6-d4 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2,3,5,6-d4 2711075-59-9 C11H12BD4NO2
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