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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
2-Chloro-4-amino-6-(3-thienyl)pyrimidine 2-Chloro-4-amino-6-(3-thienyl)pyrimidine 1353854-90-6 C8H6ClN3S
4-(propoxy-d7)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,5,6-d3 4-(propoxy-d7)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,5,6-d3 2241874-74-6 C14H22BNO3
2-Chloro-4-bromo-6-(2-trifluoromethylphenyl)pyrimidine 2-Chloro-4-bromo-6-(2-trifluoromethylphenyl)pyrimidine 1412953-60-6 C11H5BrClF3N2
4-(tetrahydro-2H-pyran-3-yl)pyridin-2-ol 4-(tetrahydro-2H-pyran-3-yl)pyridin-2-ol 2222934-61-2 C10H13NO2
2-Chloro-4-bromo-6-(4-trifluoromethylphenyl)pyrimidine 2-Chloro-4-bromo-6-(4-trifluoromethylphenyl)pyrimidine 1412960-31-6 C11H5BrClF3N2
2-Chloro-4-bromo-6-(2-chlorophenyl)pyrimidine 2-Chloro-4-bromo-6-(2-chlorophenyl)pyrimidine 1412953-32-2 C10H5BrCl2N2
2-Chloro-4-bromo-6-(cyclobutyl)pyrimidine 2-Chloro-4-bromo-6-(cyclobutyl)pyrimidine 1412959-80-8 C8H8BrClN2
2-Chloro-4-bromo-6-phenylpyrimidine 2-Chloro-4-bromo-6-phenylpyrimidine 1412955-57-7 C10H6BrClN2
4-fluoro-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)pyridine 4-fluoro-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)pyridine 2256755-48-1 C14H17BFN3O2
2-Chloro-4-cyclopentyl-6-hydroxy-1,3,5-triazine 2-Chloro-4-cyclopentyl-6-hydroxy-1,3,5-triazine 1303967-37-4 C8H10ClN3O
2-Chloro-4-bromo-6-(2-thienyl)pyrimidine 2-Chloro-4-bromo-6-(2-thienyl)pyrimidine 1412953-50-4 C8H4BrClN2S
2-Amino-4-(tetrahydropyran-4-yl)pyridine 2-Amino-4-(tetrahydropyran-4-yl)pyridine 1159818-13-9 C10H14N2O
3-Bromo-2-(2-cyanophenyl)pyridine 3-Bromo-2-(2-cyanophenyl)pyridine 1563533-28-7 C12H7BrN2
2-クロロ-5-(2-チエニル)ピリミジン 2-クロロ-5-(2-チエニル)ピリミジン 63558-67-8 C8H5ClN2S
2-Chloro-4-bromo-6-(4-tetrahydropyranyl)pyrimidine 2-Chloro-4-bromo-6-(4-tetrahydropyranyl)pyrimidine 1412958-84-9 C9H10BrClN2O
2-Chloro-5-(4-methyl-1H-pyrazol-1-yl)pyrimidine 2-Chloro-5-(4-methyl-1H-pyrazol-1-yl)pyrimidine 1363253-82-0 C8H7ClN4
2-Chloro-4-bromo-6-(6-cyano-2-pyridyl)pyrimidine 2-Chloro-4-bromo-6-(6-cyano-2-pyridyl)pyrimidine 1412955-23-7 C10H4BrClN4
4-Hydroxy-2-(5-pyrimidyl)pyridine 4-Hydroxy-2-(5-pyrimidyl)pyridine 1159819-02-9 C9H7N3O
2-Chloro-5-(5-pyrimidyl)pyrimidine 2-Chloro-5-(5-pyrimidyl)pyrimidine 1363253-77-3 C8H5ClN4
2-cyclohexyl-4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 2-cyclohexyl-4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 2256758-21-9 C16H26BNO2S
2-Ethyl-4-hydroxythiazole 2-Ethyl-4-hydroxythiazole 1159816-91-7 C5H7NOS
2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-4,5,6-d3 2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-4,5,6-d3 2241870-42-6 C11H12BD3FNO2
2-fluoro-6-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)pyridine 2-fluoro-6-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)pyridine 2256755-50-5 C14H17BFN3O2
2-Hydroxy-4-(2-trifluoromethylphenyl)pyridine 2-Hydroxy-4-(2-trifluoromethylphenyl)pyridine 1215074-27-3 C12H8F3NO
4,5-Dibromo-2-(2-furyl)thiazole 4,5-Dibromo-2-(2-furyl)thiazole 1314354-44-3 C7H3Br2NOS
4,5-Dibromo-2-(2-thienyl)thiazole 4,5-Dibromo-2-(2-thienyl)thiazole 1314355-28-6 C7H3Br2NS2
4,5-Dibromo-2-(4-fluorophenyl)thiazole 4,5-Dibromo-2-(4-fluorophenyl)thiazole 1314355-25-3 C9H4Br2FNS
4,5-Dibromo-2-(4-pyridyl)thiazole 4,5-Dibromo-2-(4-pyridyl)thiazole 1314357-35-1 C8H4Br2N2S
4,5-Dibromo-2-(cyclopropyl)thiazole 4,5-Dibromo-2-(cyclopropyl)thiazole 1314353-85-9 C6H5Br2NS
4,5-Dibromo-2-(pyrrolidino)thiazole 4,5-Dibromo-2-(pyrrolidino)thiazole 1314357-39-5 C7H8Br2N2S
4,5-Dibromo-2-ethylthiazole 4,5-Dibromo-2-ethylthiazole 120258-48-2 C5H5Br2NS
4-Amino-1-(2-chloro-4-pyridyl)imidazole 4-Amino-1-(2-chloro-4-pyridyl)imidazole 1353854-22-4 C8H7ClN4
4-Amino-1-(2-methyl-4-pyridyl)imidazole 4-Amino-1-(2-methyl-4-pyridyl)imidazole 1353855-43-2 C9H10N4
4-Hydroxy-2-phenyl-6-(5-thiazolyl)pyrimidine 4-Hydroxy-2-phenyl-6-(5-thiazolyl)pyrimidine 1159819-63-2 C13H9N3OS
4-Hydroxy-6-(5-pyrimidyl)-2-cyclopropylpyrimidine 4-Hydroxy-6-(5-pyrimidyl)-2-cyclopropylpyrimidine 1159814-94-4 C11H10N4O
4-Hydroxy-6-(piperidin-3-yl)pyridine 4-Hydroxy-6-(piperidin-3-yl)pyridine 1337345-89-7 C10H14N2O
4-methyl-2-((tetrahydrofuran-3-yl)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 4-methyl-2-((tetrahydrofuran-3-yl)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 2256758-16-2 C14H22BNO4S
5-(3-bromophenyl)-2-(methyl-d3)pyridine-3,4,6-d3 5-(3-bromophenyl)-2-(methyl-d3)pyridine-3,4,6-d3 2256711-99-4 C12H10BrN
3-Bromo-4-(piperidin-1-yl)pyridine 3-Bromo-4-(piperidin-1-yl)pyridine 4556-56-3 C10H13BrN2
2-Chloro-4-bromo-6-methyl-1,3,5-triazine 2-Chloro-4-bromo-6-methyl-1,3,5-triazine 1399481-67-4 C4H3BrClN3
2-Chloro-4-cyclohexyl-6-hydroxy-1,3,5-triazine 2-Chloro-4-cyclohexyl-6-hydroxy-1,3,5-triazine 1303967-62-5 C9H12ClN3O
2-CHLORO-5-(2-AMINOPHENYL)PYRIMIDINE 2-CHLORO-5-(2-AMINOPHENYL)PYRIMIDINE 1563530-37-9 C10H8ClN3
2-Chloro-5-(2-methylimidazol-1-yl)pyrimidine 2-Chloro-5-(2-methylimidazol-1-yl)pyrimidine 1363254-17-4 C8H7ClN4
2-Chloro-5-(4-pyridyl)pyrimidine 2-Chloro-5-(4-pyridyl)pyrimidine 1211522-15-4 C9H6ClN3
2-Chloro-5-(sec-butyl)pyrimidine 2-Chloro-5-(sec-butyl)pyrimidine 1643576-88-8 C8H11ClN2
2-(2-Methyl-1-piperidinyl)-3-pyridinylamine 2-(2-Methyl-1-piperidinyl)-3-pyridinylamine 926200-51-3 C11H17N3
4-Bromo-2-ethylpyrimidine 4-Bromo-2-ethylpyrimidine 1086381-79-4 C6H7BrN2
3-Bromo-2-(3,4-difluorophenyl)pyridine 3-Bromo-2-(3,4-difluorophenyl)pyridine 1417517-95-3 C11H6BrF2N
3-Bromo-2-(4-aminophenyl)pyridine 3-Bromo-2-(4-aminophenyl)pyridine 1417518-76-3 C11H9BrN2
3-Bromo-2-(4-ethylphenyl)pyridine 3-Bromo-2-(4-ethylphenyl)pyridine 1563531-74-7 C13H12BrN
3-Bromo-2-(cyclopentyl)pyridine 3-Bromo-2-(cyclopentyl)pyridine 1417517-92-0 C10H12BrN
3-bromo-2-(methoxy-d3)pyridine-4,5,6-d3 3-bromo-2-(methoxy-d3)pyridine-4,5,6-d3 2256707-69-2 C6BrD6NO
3-BROMO-2-(THIOPHEN-2-YL)PYRIDIN-4-AMINE 3-BROMO-2-(THIOPHEN-2-YL)PYRIDIN-4-AMINE 1381941-93-0 C9H7BrN2S
3-BROMO-2-[3-(TRIFLUOROMETHYL)PHENYL]PYRIDIN-4-AMINE 3-BROMO-2-[3-(TRIFLUOROMETHYL)PHENYL]PYRIDIN-4-AMINE 1381934-16-2 C12H8BrF3N2
2-Hydroxy-4-(4-trifluoromethylphenyl)pyridine 2-Hydroxy-4-(4-trifluoromethylphenyl)pyridine 942947-10-6 C12H8F3NO
2-Hydroxy-4-(cyclopentyl)pyridine 2-Hydroxy-4-(cyclopentyl)pyridine 1159820-48-0 C10H13NO
2-Hydroxy-5-(2-fluorophenyl)pyrimidine 2-Hydroxy-5-(2-fluorophenyl)pyrimidine 1111103-52-6 C10H7FN2O
2-Hydroxy-5-(2-thienyl)pyridine 2-Hydroxy-5-(2-thienyl)pyridine 1111116-04-1 C9H7NOS
2-Hydroxy-5-(2-tolyl)thiophene 2-Hydroxy-5-(2-tolyl)thiophene 1243839-32-8 C11H10OS
2-Hydroxy-5-(3-furyl)pyridine 2-Hydroxy-5-(3-furyl)pyridine 1111115-91-3 C9H7NO2
2-Hydroxy-5-(3-methoxyphenyl)pyridine 2-Hydroxy-5-(3-methoxyphenyl)pyridine 76876-87-4 C12H11NO2
2-Hydroxy-5-(4-fluorolphenyl)thiazole 2-Hydroxy-5-(4-fluorolphenyl)thiazole 1215074-08-0 C9H6FNOS
2-Hydroxy-5-(cyclohexyl)pyrimidine 2-Hydroxy-5-(cyclohexyl)pyrimidine 90253-47-7 C10H14N2O
2-Hydroxy-5-(pyrimidyl-5-yl)thiazole 2-Hydroxy-5-(pyrimidyl-5-yl)thiazole 1215073-87-2 C7H5N3OS
3-Amino-6-(4-methylphenyl)pyridazine 3-Amino-6-(4-methylphenyl)pyridazine 342047-22-7 C11H11N3
6-PROPOXYPYRIDIN-2-YLAMINE 6-PROPOXYPYRIDIN-2-YLAMINE 924862-35-1 C8H12N2O
4-Amino-2-(2-chlorophenyl)thiazole 4-Amino-2-(2-chlorophenyl)thiazole 1353855-25-0 C9H7ClN2S
4-Amino-2-(tetrahydrofuran-3-yl)pyrimidine 4-Amino-2-(tetrahydrofuran-3-yl)pyrimidine 1159814-20-6 C8H11N3O
4-Amino-2,6-diphenylpyrimidine 4-Amino-2,6-diphenylpyrimidine 41270-99-9 C16H13N3
4-Amino-2-chloro-3-bromo-5-(3-methoxyphenyl)pyridine 4-Amino-2-chloro-3-bromo-5-(3-methoxyphenyl)pyridine 1563528-66-4 C12H10BrClN2O
4-Amino-2-chloro-3-bromo-5,3'-bipyridine 4-Amino-2-chloro-3-bromo-5,3'-bipyridine 1563533-67-4 C10H7BrClN3
4-Amino-2-phenyl-6-cyclopropylpyrimidine 4-Amino-2-phenyl-6-cyclopropylpyrimidine 1159819-75-6 C13H13N3
4-AMINO-3-(CYCLOHEXYLOXY)PYRIDINE 4-AMINO-3-(CYCLOHEXYLOXY)PYRIDINE 1563534-06-4 C11H16N2O
4-Amino-3-(oxan-2-yl)pyridine 4-Amino-3-(oxan-2-yl)pyridine 1622835-93-1 C10H14N2O
4-Amino-3,5-dibromo-2-(3-chlorophenyl)pyridine 4-Amino-3,5-dibromo-2-(3-chlorophenyl)pyridine 1563534-30-4 C11H7Br2ClN2
2-cyclopentyl-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-cyclopentyl-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)pyridine 2096341-37-4 C16H24BNO2
4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-2-(thiophen-2-yl)pyridine 4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-2-(thiophen-2-yl)pyridine 1402240-59-8 C15H18BNO2S
6-(pyriMidin-5-yl)pyridazin-3-aMine 6-(pyriMidin-5-yl)pyridazin-3-aMine 1215071-36-5 C8H7N5
5-(4-(methyl-d3)-1H-pyrazol-1-yl-3,5-d2)pyridin-2-amine 5-(4-(methyl-d3)-1H-pyrazol-1-yl-3,5-d2)pyridin-2-amine 2294949-60-1 C9H10N4
5-(4-bromo-1H-pyrazol-1-yl-3,5-d2)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 5-(4-bromo-1H-pyrazol-1-yl-3,5-d2)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2256706-54-2 C14H17BBrN3O2
5-(4-bromophenyl)-2-chloropyridine-3,4,6-d3 5-(4-bromophenyl)-2-chloropyridine-3,4,6-d3 2256711-93-8 C11H7BrClN
5-(ethoxy-d5)pyridin-2,4,6-d3-3-amine 5-(ethoxy-d5)pyridin-2,4,6-d3-3-amine 2259316-22-6 C7H10N2O
5-(tetrahydro-2H-pyran-4-yl)pyrimidin-2-ol 5-(tetrahydro-2H-pyran-4-yl)pyrimidin-2-ol 2222933-79-9 C9H12N2O2
5,5'-DIISOPROPYL-2,2'-BIPYRIDINE 5,5'-DIISOPROPYL-2,2'-BIPYRIDINE 1434127-80-6 C16H20N2
5-Amino-2-(3-Furyl)thiazole 5-Amino-2-(3-Furyl)thiazole 1159817-69-2 C7H6N2OS
2-Cyclobutyl-3,4,5-tribromopyridine 2-Cyclobutyl-3,4,5-tribromopyridine 1399481-66-3 C9H8Br3N
2-cyclopropyl-6-(pyrrolidin-1-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-cyclopropyl-6-(pyrrolidin-1-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2256754-89-7 C18H27BN2O2
2-Fluoro-4-(thiazol-4-yl)bromobenzene 2-Fluoro-4-(thiazol-4-yl)bromobenzene 1563529-28-1 C9H5BrFNS
2-Hydroxy-4-(2-methoxyphenyl)thiophene 2-Hydroxy-4-(2-methoxyphenyl)thiophene 1243839-26-0 C11H10O2S
2-Hydroxy-4-(2-tolyl)pyridine 2-Hydroxy-4-(2-tolyl)pyridine 1159820-69-5 C12H11NO
2-Hydroxy-4-(3-tolyl)pyridine 2-Hydroxy-4-(3-tolyl)pyridine 1159820-64-0 C12H11NO
2-Hydroxy-4-(4-pyridyl)pyridine 2-Hydroxy-4-(4-pyridyl)pyridine 188877-95-4 C10H8N2O
2-Hydroxy-5-(2-methoxyphenyl)pyridine 2-Hydroxy-5-(2-methoxyphenyl)pyridine 1111115-94-6 C12H11NO2
3-Bromo-4-(2-cyanophenyl)pyridine 3-Bromo-4-(2-cyanophenyl)pyridine 335642-96-1 C12H7BrN2
3-Bromo-4-(3-bromophenyl)pyridine 3-Bromo-4-(3-bromophenyl)pyridine 1563531-29-2 C11H7Br2N
3-BROMO-4-(3-METHYL-1H-PYRAZOL-1-YL)PYRIDINE 3-BROMO-4-(3-METHYL-1H-PYRAZOL-1-YL)PYRIDINE 1289021-10-8 C9H8BrN3
3-BROMO-4-(4-THIAZOLYL)PYRIDINE 3-BROMO-4-(4-THIAZOLYL)PYRIDINE 1563533-07-2 C8H5BrN2S
3-Bromo-4-amino-6-(N-methylpiperazin-1-yl)pyridine 3-Bromo-4-amino-6-(N-methylpiperazin-1-yl)pyridine 1381934-11-7 C10H15BrN4
3-bromo-5-(1H-imidazol-1-yl-d3)pyridine 3-bromo-5-(1H-imidazol-1-yl-d3)pyridine 2256707-27-2 C8H6BrN3
5-bromo-4-chloro-2-pyridin-2-ylpyrimidine 5-bromo-4-chloro-2-pyridin-2-ylpyrimidine 1044767-94-3 C9H5BrClN3
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