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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(gòu)成される環(huán)狀構(gòu)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(zhì)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(gòu)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(nèi)で重要な生理學(xué)的作用を果たす。例えば:植物內(nèi)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(zhì)とビタミン、タンパク質(zhì)のあるアミノ酸とヌクレオチドを構(gòu)成する塩基等はいずれも複素環(huán)構(gòu)造を含有する。従來の薬物中で、複素環(huán)構(gòu)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(jī)化合物(特に有機(jī)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(gòu)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(gòu)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
3-AMINO-5-(4-ETHYLPHENYL)PYRIDINE 3-AMINO-5-(4-ETHYLPHENYL)PYRIDINE 1226161-60-9 C13H14N2
3-(4-bromo-1H-pyrazol-1-yl-3,5-d2)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2,5,6-d3 3-(4-bromo-1H-pyrazol-1-yl-3,5-d2)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2,5,6-d3 2256706-52-0 C14H12BBrD5N3O2
2-Bromo-4-amino-5-(3-methoxyphenyl)pyridine 2-Bromo-4-amino-5-(3-methoxyphenyl)pyridine 1381938-75-5 C12H11BrN2O
3-AMINO-5-(4-THIAZOLYL)PYRIDINE 3-AMINO-5-(4-THIAZOLYL)PYRIDINE 1563532-81-9 C8H7N3S
2-Bromo-4-chloro-6-(cyclopentyl)pyrimidine 2-Bromo-4-chloro-6-(cyclopentyl)pyrimidine 1434128-27-4 C9H10BrClN2
3-Amino-5-(piperidin-3-yl)pyridine 3-Amino-5-(piperidin-3-yl)pyridine 1260640-76-3 C10H15N3
3-(4-METHYL-1H-PYRAZOL-1-YL)PYRIDIN-2-AMINE 3-(4-METHYL-1H-PYRAZOL-1-YL)PYRIDIN-2-AMINE 1407153-44-9 C9H10N4
2-Bromo-4-chloro-6-(sec-butyl)pyrimidine 2-Bromo-4-chloro-6-(sec-butyl)pyrimidine 1434127-93-1 C8H10BrClN2
2-Bromo-4-chloro-6-(2-furyl)pyrimidine 2-Bromo-4-chloro-6-(2-furyl)pyrimidine 1434128-39-8 C8H4BrClN2O
3-Amino-6-(4-methyl-1H-imidazol-1-yl)pyridazine 3-Amino-6-(4-methyl-1H-imidazol-1-yl)pyridazine 1314356-52-9 C8H9N5
2-Bromo-4-chloro-6-(cyclobutyl)pyrimidine 2-Bromo-4-chloro-6-(cyclobutyl)pyrimidine 1434128-42-3 C8H8BrClN2
3-BROMO-1-(PYRIMIDIN-2-YL)-1H-PYRAZOLE 3-BROMO-1-(PYRIMIDIN-2-YL)-1H-PYRAZOLE 1622840-19-0 C7H5BrN4
2-Bromo-5-(2-chloro-4-pyridyl)pyridine 2-Bromo-5-(2-chloro-4-pyridyl)pyridine 1142193-97-2 C10H6BrClN2
2-Bromo-4-chloro-6-(n-propyl)pyrimidine 2-Bromo-4-chloro-6-(n-propyl)pyrimidine 1434127-95-3 C7H8BrClN2
2-Bromo-5-(2-iso-propylpyrimidyl-5-yl)thiazole 2-Bromo-5-(2-iso-propylpyrimidyl-5-yl)thiazole 1215072-45-9 C10H10BrN3S
3-Bromo-2-(2-fluorophenyl)pyridine 3-Bromo-2-(2-fluorophenyl)pyridine 1417519-78-8 C11H7BrFN
2-Bromo-5-(1H-pyrrol-1-yl)thiazole 2-Bromo-5-(1H-pyrrol-1-yl)thiazole 1353856-48-0 C7H5BrN2S
2-Bromo-5-(2-methoxyphenyl)thiophene 2-Bromo-5-(2-methoxyphenyl)thiophene 1159818-20-8 C11H9BrOS
2-Bromo-5-(2-tolyl)furan 2-Bromo-5-(2-tolyl)furan 1159821-93-8 C11H9BrO
2-Bromo-5-(2-trifluoromethylphenyl)furan 2-Bromo-5-(2-trifluoromethylphenyl)furan 1159818-31-1 C11H6BrF3O
2-Bromo-5-(3-pyridyl)thiazole 2-Bromo-5-(3-pyridyl)thiazole 263868-72-0 C8H5BrN2S
2-Bromo-5-(4-fluorolphenyl)thiazole 2-Bromo-5-(4-fluorolphenyl)thiazole 1215073-10-1 C9H5BrFNS
2-Bromo-5-(4-methoxyphenyl)pyrimidine 2-Bromo-5-(4-methoxyphenyl)pyrimidine 1353856-57-1 C11H9BrN2O
2-Bromo-5-(5-pyrimidyl)pyridine 2-Bromo-5-(5-pyrimidyl)pyridine 475275-71-9 C9H6BrN3
2-Bromo-5-(cyclobutyl)thiophene 2-Bromo-5-(cyclobutyl)thiophene 1159815-85-6 C8H9BrS
2-Bromo-5-(sec-butyl)pyrimidine 2-Bromo-5-(sec-butyl)pyrimidine 1643542-12-4 C8H11BrN2
2-Bromo-5-amino-4-(2-furyl)pyridine 2-Bromo-5-amino-4-(2-furyl)pyridine 1381935-83-6 C9H7BrN2O
3-BROMO-2-(4-CHLOROPHENYL)PYRIDIN-4-AMINE 3-BROMO-2-(4-CHLOROPHENYL)PYRIDIN-4-AMINE 1381938-41-5 C11H8BrClN2
3-BROMO-2-(FURAN-3-YL)PYRIDIN-4-AMINE 3-BROMO-2-(FURAN-3-YL)PYRIDIN-4-AMINE 1381942-05-7 C9H7BrN2O
3-BROMO-2-CYCLOBUTYLPYRIDIN-4-AMINE 3-BROMO-2-CYCLOBUTYLPYRIDIN-4-AMINE 1381941-66-7 C9H11BrN2
3-Bromo-4-(2-aminophenyl)pyridine 3-Bromo-4-(2-aminophenyl)pyridine 1563531-58-7 C11H9BrN2
3-Bromo-4-(2-furyl)pyridine 3-Bromo-4-(2-furyl)pyridine 1374664-81-9 C9H6BrNO
3-Bromo-4-(3-cyanophenyl)pyridine 3-Bromo-4-(3-cyanophenyl)pyridine 1563531-78-1 C12H7BrN2
3-Bromo-4-(4-trifluoromethylphenyl)pyridine 3-Bromo-4-(4-trifluoromethylphenyl)pyridine 1374665-22-1 C12H7BrF3N
3-Bromo-4-(cyclopentoxy)pyridine 3-Bromo-4-(cyclopentoxy)pyridine 1289127-14-5 C10H12BrNO
3-Bromo-4-amino-6-(3-pyridyl)pyridine 3-Bromo-4-amino-6-(3-pyridyl)pyridine 1381935-11-0 C10H8BrN3
3-bromo-5-(1H-pyrazol-1-yl-d3)pyridine 3-bromo-5-(1H-pyrazol-1-yl-d3)pyridine 2256707-41-0 C8H6BrN3
3-bromo-5-(2-bromophenyl)pyridine-2,4,6-d3 3-bromo-5-(2-bromophenyl)pyridine-2,4,6-d3 2256711-63-2 C11H7Br2N
4-Bromo-2-(2-furyl)thiazole 4-Bromo-2-(2-furyl)thiazole 1142194-92-0 C7H4BrNOS
4-Bromo-2-(2-tolyl)pyridine 4-Bromo-2-(2-tolyl)pyridine 1142194-13-5 C12H10BrN
4-Bromo-2-(3,4-difluorophenyl)pyridine 4-Bromo-2-(3,4-difluorophenyl)pyridine 1215074-29-5 C11H6BrF2N
4-Bromo-2-(3-furyl)pyridine 4-Bromo-2-(3-furyl)pyridine 1142194-20-4 C9H6BrNO
4-Bromo-2-(4-methylpiperidino)pyrimidine 4-Bromo-2-(4-methylpiperidino)pyrimidine 1086381-77-2 C10H14BrN3
2-Bromo-5-(2-thienyl)pyrimidine 2-Bromo-5-(2-thienyl)pyrimidine 1353856-58-2 C8H5BrN2S
2-Bromo-5-(2-tolyl)thiazole 2-Bromo-5-(2-tolyl)thiazole 1215072-29-9 C10H8BrNS
2-Bromo-5-(3-thienyl)pyrimidine 2-Bromo-5-(3-thienyl)pyrimidine 1353854-63-3 C8H5BrN2S
2-Bromo-5-(4-hydroxypiperidino)pyridine 2-Bromo-5-(4-hydroxypiperidino)pyridine 1314353-88-2 C10H13BrN2O
2-Bromo-5-(iso-propyl)furan 2-Bromo-5-(iso-propyl)furan 1159821-87-0 C7H9BrO
2-Bromo-5-(methylethylamino)pyridine 2-Bromo-5-(methylethylamino)pyridine 1314356-64-3 C8H11BrN2
3-(methyl-d3)-2-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl-4,5-d2)pyridine-4,5,6-d3 3-(methyl-d3)-2-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl-4,5-d2)pyridine-4,5,6-d3 2256705-91-4 C15H12BD8N3O2
3-(Thiazol-5-yl)bromobenzene 3-(Thiazol-5-yl)bromobenzene 1563530-28-8 C9H6BrNS
3,4-Dibromo-2-(4-methoxyphenyl)pyridine 3,4-Dibromo-2-(4-methoxyphenyl)pyridine 1381942-47-7 C12H9Br2NO
3,4-Dibromo-2-(4-tolyl)pyridine 3,4-Dibromo-2-(4-tolyl)pyridine 1381941-41-8 C12H9Br2N
3,4-Dibromo-2-(n-propyl)pyridine 3,4-Dibromo-2-(n-propyl)pyridine 1381934-48-0 C8H9Br2N
2-Bromo-5-amino-4-(3-methylpiperidin-1-yl)pyridine 2-Bromo-5-amino-4-(3-methylpiperidin-1-yl)pyridine 1381934-67-3 C11H16BrN3
2-Bromo-5-amino-4-(4-fluorophenyl)pyridine 2-Bromo-5-amino-4-(4-fluorophenyl)pyridine 1381942-51-3 C11H8BrFN2
2-Bromo-5-amino-4-phenylpyridine 2-Bromo-5-amino-4-phenylpyridine 1381934-36-6 C11H9BrN2
2-Bromo-6-(4-ethylphenyl)pyridine 2-Bromo-6-(4-ethylphenyl)pyridine 1142196-93-7 C13H12BrN
2-Bromo-6-(piperidin-4-yl)pyridine 2-Bromo-6-(piperidin-4-yl)pyridine 1159814-62-6 C10H13BrN2
3-Bromo-5-(4-tert-butylphenyl)pyridine 3-Bromo-5-(4-tert-butylphenyl)pyridine 1314356-74-5 C15H16BrN
3-Bromo-5-(N-Boc-piperidin-3-yl)pyridine 3-Bromo-5-(N-Boc-piperidin-3-yl)pyridine 1563534-92-8 C15H21BrN2O2
3-Bromo-6-(3-methyl-1H-pyrazol-1-yl)pyridine 3-Bromo-6-(3-methyl-1H-pyrazol-1-yl)pyridine 1215073-39-4 C9H8BrN3
3-cyclobutyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one 3-cyclobutyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one 2256755-01-6 C15H22BNO3
3-ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one 3-ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one 2256755-03-8 C13H20BNO3
3-Hydroxy-5-(2-chlorophenyl)pyridine 3-Hydroxy-5-(2-chlorophenyl)pyridine 1258634-37-5 C11H8ClNO
3-Hydroxy-5-(3-furyl)pyridine 3-Hydroxy-5-(3-furyl)pyridine 1314355-57-1 C9H7NO2
3-Hydroxy-5-(3-tolyl)pyridine 3-Hydroxy-5-(3-tolyl)pyridine 1261931-22-9 C12H11NO
3-Hydroxy-5-(cyclobutoxy)pyridine 3-Hydroxy-5-(cyclobutoxy)pyridine 1314356-80-3 C9H11NO2
3-Hydroxy-5-(imidazol-1-yl)pyridine 3-Hydroxy-5-(imidazol-1-yl)pyridine 1314355-03-7 C8H7N3O
3-Hydroxy-6-(2-trifluoromethylphenyl)pyridine 3-Hydroxy-6-(2-trifluoromethylphenyl)pyridine 1261442-72-1 C12H8F3NO
3-Hydroxy-6-(5-pyrimidyl)pyridine 3-Hydroxy-6-(5-pyrimidyl)pyridine 1314356-63-2 C9H7N3O
4-(2-Aminophenyl)thiazole 4-(2-Aminophenyl)thiazole 1215071-73-0 C9H8N2S
4-(2-bromo-4-cyclopropylphenyl)morpholine 4-(2-bromo-4-cyclopropylphenyl)morpholine 2222935-47-7 C13H16BrNO
4-Bromo-2-(iso-butyl)thiazole 4-Bromo-2-(iso-butyl)thiazole 454702-94-4 C7H10BrNS
4-Bromo-2-(sec-butyl)pyridine 4-Bromo-2-(sec-butyl)pyridine 1374665-90-3 C9H12BrN
4-bromo-2-(tetrahydrofuran-2-yl)pyrimidine 4-bromo-2-(tetrahydrofuran-2-yl)pyrimidine 2222934-94-1 C8H9BrN2O
4-Bromo-2-hydroxy-5-(iso-propyl)pyrimidine 4-Bromo-2-hydroxy-5-(iso-propyl)pyrimidine 1381934-91-3 C7H9BrN2O
4-bromo-3-(1H-pyrazol-1-yl-d3)pyridine-2,5,6-d3 4-bromo-3-(1H-pyrazol-1-yl-d3)pyridine-2,5,6-d3 2256707-35-2 C8H6BrN3
4-Bromo-3-(2-fluorophenyl)pyridine 4-Bromo-3-(2-fluorophenyl)pyridine 1374665-54-9 C11H7BrFN
4-Bromo-3-(3-furyl)pyridine 4-Bromo-3-(3-furyl)pyridine 1374664-63-7 C9H6BrNO
4-Bromo-3-(3-tolyl)pyridine 4-Bromo-3-(3-tolyl)pyridine 1374665-85-6 C12H10BrN
4-Bromo-3-(diethylamino)pyridine 4-Bromo-3-(diethylamino)pyridine 1563534-99-5 C9H13BrN2
4-Bromo-3-amino-6-(2-methylpiperidin-1-yl)pyridine 4-Bromo-3-amino-6-(2-methylpiperidin-1-yl)pyridine 1381944-04-2 C11H16BrN3
4-Bromo-3-amino-6-(3-trifluoromethylphenyl)pyridine 4-Bromo-3-amino-6-(3-trifluoromethylphenyl)pyridine 1381934-68-4 C12H8BrF3N2
4-Bromo-3-amino-6-(4-methyl-1H-pyrazol-1-yl)pyridine 4-Bromo-3-amino-6-(4-methyl-1H-pyrazol-1-yl)pyridine 1381938-21-1 C9H9BrN4
4-Bromo-3-amino-6-(piperazin-1-yl)pyridine 4-Bromo-3-amino-6-(piperazin-1-yl)pyridine 1381944-07-5 C9H13BrN4
6-o-tolylpyridazin-3-aMine 6-o-tolylpyridazin-3-aMine 342047-25-0 C11H11N3
2-Bromo-5-amino-4-(2-trifluoromethylphenyl)pyridine 2-Bromo-5-amino-4-(2-trifluoromethylphenyl)pyridine 1381934-21-9 C12H8BrF3N2
2-Bromo-5-amino-4-(3-methoxyphenyl)pyridine 2-Bromo-5-amino-4-(3-methoxyphenyl)pyridine 1381934-80-0 C12H11BrN2O
2-Bromo-5-amino-4-(4-trifluoromethylphenyl)pyridine 2-Bromo-5-amino-4-(4-trifluoromethylphenyl)pyridine 1381935-91-6 C12H8BrF3N2
2-Bromo-6-(2-chlorophenyl)pyridine 2-Bromo-6-(2-chlorophenyl)pyridine 1374664-70-6 C11H7BrClN
2-Bromo-6-(3,5-difluorophenyl)pyridine 2-Bromo-6-(3,5-difluorophenyl)pyridine 1142196-98-2 C11H6BrF2N
2-bromo-6-(3-bromophenyl)pyridine-3,4,5-d3 2-bromo-6-(3-bromophenyl)pyridine-3,4,5-d3 2256711-86-9 C11H4Br2D3N
2-bromo-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,5-d3 2-bromo-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,5-d3 2241869-94-1 C11H15BBrNO2
2-bromo-6-(4-bromophenyl)pyridine-3,4,5-d3 2-bromo-6-(4-bromophenyl)pyridine-3,4,5-d3 2256711-79-0 C11H7Br2N
3,4-Dibromo-6-(3-fluorophenyl)pyridine 3,4-Dibromo-6-(3-fluorophenyl)pyridine 1381933-14-7 C11H6Br2FN
3,4-Dibromo-6-(3-methylpiperidin-1-yl)pyridine 3,4-Dibromo-6-(3-methylpiperidin-1-yl)pyridine 1381942-26-2 C11H14Br2N2
3,4-Dibromo-6-(5-pyrimidyl)pyridine 3,4-Dibromo-6-(5-pyrimidyl)pyridine 1381942-27-3 C9H5Br2N3
3,5-Dibromo-6-(2-trifluoromethylphenyl)pyridine 3,5-Dibromo-6-(2-trifluoromethylphenyl)pyridine 1399482-13-3 C12H6Br2F3N
3-acetyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one 3-acetyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one 2256755-05-0 C13H18BNO4
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