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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(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
5-Bromo-2-(3-tolyl)thiazole 5-Bromo-2-(3-tolyl)thiazole 1086382-56-0 C10H8BrNS
3-CHLORO-6-(OXOLAN-3-YLOXY)PYRIDAZINE 3-CHLORO-6-(OXOLAN-3-YLOXY)PYRIDAZINE 1339733-31-1 C8H9ClN2O2
4-Amino-3,5-dibromo-2-(4-methoxyphenyl)pyridine 4-Amino-3,5-dibromo-2-(4-methoxyphenyl)pyridine 1563531-75-8 C12H10Br2N2O
2,5-Dibromo-4-(methyl-d3)pyrimidine 2,5-Dibromo-4-(methyl-d3)pyrimidine 1374665-06-1 C5HBr2D3N2
4-Pyridinol, 2-ethyl-6-methyl- 4-Pyridinol, 2-ethyl-6-methyl- 15898-18-7 C8H11NO
2-[(tert-Butyl)pyridine-d12]-5-boronic acid pinacol ester 2-[(tert-Butyl)pyridine-d12]-5-boronic acid pinacol ester 2223046-86-2 C15H24BNO2
4-Amino-3,5-dibromo-2-(iso-butyl)pyridine 4-Amino-3,5-dibromo-2-(iso-butyl)pyridine 1563535-16-9 C9H12Br2N2
5-Bromo-2-(4-fluoro-2-methylphenyl)thiazole 5-Bromo-2-(4-fluoro-2-methylphenyl)thiazole 1159814-74-0 C10H7BrFNS
3-Hydroxy-2-(3-thienyl)pyridine 3-Hydroxy-2-(3-thienyl)pyridine 1261908-99-9 C9H7NOS
4-Amino-3,5-dibromo-2-(piperidin-4-yl)pyridine 4-Amino-3,5-dibromo-2-(piperidin-4-yl)pyridine 1563529-90-7 C10H13Br2N3
2-Amino-4-(iso-propoxy-d7)-pyridine 2-Amino-4-(iso-propoxy-d7)-pyridine 1643564-57-1 C8H5D7N2O
5-BROMO-2-(PYRIMIDIN-5-YL)PYRIDIN-4-AMINE 5-BROMO-2-(PYRIMIDIN-5-YL)PYRIDIN-4-AMINE 1381942-36-4 C9H7BrN4
2-Amino-4-(piperidino-d10)-pyridine 2-Amino-4-(piperidino-d10)-pyridine 1643543-22-9 C10H5D10N3
3-Hydroxy-5-(1H-pyrazol-1-yl)pyridine 3-Hydroxy-5-(1H-pyrazol-1-yl)pyridine 1314356-83-6 C8H7N3O
6-(4-aMinophenyl)pyridazin-3-aMine 6-(4-aMinophenyl)pyridazin-3-aMine 1215073-63-4 C10H10N4
4-Amino-3,5-dibromo-2-methylethylaminopyridine 4-Amino-3,5-dibromo-2-methylethylaminopyridine 1563534-35-9 C8H11Br2N3
4-Oxazolecarboxylic acid, 2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, methyl ester 4-Oxazolecarboxylic acid, 2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, methyl ester 1192056-44-2 C12H18BNO5
2-Amino-4-(tert-butoxy-d9)-pyridine 2-Amino-4-(tert-butoxy-d9)-pyridine 1643542-35-1 C9H14N2O
4,5-Dibromo-2-(3-chlorophenyl)thiazole 4,5-Dibromo-2-(3-chlorophenyl)thiazole 1314353-89-3 C9H4Br2ClNS
4,5-Dibromo-2-(4-trifluoromethylphenyl)thiazole 4,5-Dibromo-2-(4-trifluoromethylphenyl)thiazole 1314357-33-9 C10H4Br2F3NS
4,5-Dibromo-2-(cyclohexyl)pyrimidine 4,5-Dibromo-2-(cyclohexyl)pyrimidine 1563535-10-3 C10H12Br2N2
4,5-Dibromo-2-(iso-propyl)thiazole 4,5-Dibromo-2-(iso-propyl)thiazole 1314355-93-5 C6H7Br2NS
2-(tert-butyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridine 2-(tert-butyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridine 1403387-91-6 C16H23BF3NO2
5-Bromo-2,4-[di(n-propyl)]thiazole 5-Bromo-2,4-[di(n-propyl)]thiazole 1643577-09-6 C9H14BrNS
5-bromo-2-ethyl-3-(trifluoromethyl)pyridine 5-bromo-2-ethyl-3-(trifluoromethyl)pyridine 1346532-51-1 C8H7BrF3N
5-Bromo-4-(iso-propyl)-2-ethylthiazole 5-Bromo-4-(iso-propyl)-2-ethylthiazole 1643577-12-1 C8H12BrNS
5-Bromo-4-(n-propyl)-2-(morpholino)thiazole 5-Bromo-4-(n-propyl)-2-(morpholino)thiazole 1643562-97-3 C10H15BrN2OS
5-bromo-4-fluoro-2-(methoxy-d3)pyridine-3,6-d2 5-bromo-4-fluoro-2-(methoxy-d3)pyridine-3,6-d2 2294945-51-8 C6H5BrFNO
5-Bromo-4-methyl-2-(pyrrolidino)thiazole 5-Bromo-4-methyl-2-(pyrrolidino)thiazole 1518423-82-9 C8H11BrN2S
5-fluoro-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-2-yl)pyridine 5-fluoro-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-2-yl)pyridine 2256755-52-7 C14H17BFN3O2
4-bromo-5-methyl-2-(trifluoromethyl)pyridine 4-bromo-5-methyl-2-(trifluoromethyl)pyridine 1211583-89-9 C7H5BrF3N
5-Bromo-2-phenylpyrimidin-4-amine 5-Bromo-2-phenylpyrimidin-4-amine 26789-00-4 C10H8BrN3
4-chloro-6-(4-methoxyphenyl)pyrimidin-2-amine 4-chloro-6-(4-methoxyphenyl)pyrimidin-2-amine 688782-45-8 C11H10ClN3O
4-Cyclohexyloxy-pyridin-3-ylamine 4-Cyclohexyloxy-pyridin-3-ylamine 1040064-99-0 C11H16N2O
Pyridine, 2-cyclopentyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyridine, 2-cyclopentyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2223043-34-1 C16H24BNO2
Pyridine, 4-(4-piperidinyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyridine, 4-(4-piperidinyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1402166-07-7 C16H25BN2O2
2-Amino-5-(iso-propoxy-d7)-pyridine 2-Amino-5-(iso-propoxy-d7)-pyridine 1643562-88-2 C8H12N2O
2-Amino-5-(n-propyl)pyridine-d10 2-Amino-5-(n-propyl)pyridine-d10 1643542-27-1 C8H12N2
2-Amino-6-(ethyl-d5)-pyridine 2-Amino-6-(ethyl-d5)-pyridine 1185315-15-4 C7H10N2
2-Bromo-4-(ethoxy-d5-carbonyl)-pyridine 2-Bromo-4-(ethoxy-d5-carbonyl)-pyridine 1643564-55-9 C8H8BrNO2
2-Bromo-4-(methylethylamino-d8)-pyridine 2-Bromo-4-(methylethylamino-d8)-pyridine 1643564-32-2 C8H3BrD8N2
2-Bromo-4-(n-propyl)pyridine-d10 2-Bromo-4-(n-propyl)pyridine-d10 1643563-48-7 C8BrD10N
2-Bromo-4-cyanopyridine-d3 2-Bromo-4-cyanopyridine-d3 1643575-84-1 C6H3BrN2
3-Hydroxy-5-(3-methoxphenyl)pyridine 3-Hydroxy-5-(3-methoxphenyl)pyridine 1261909-28-7 C12H11NO2
3-Hydroxy-5-(iso-butyl)pyridine 3-Hydroxy-5-(iso-butyl)pyridine 117765-11-4 C9H13NO
3-Hydroxy-6-(thiazol-4-yl)pyridine 3-Hydroxy-6-(thiazol-4-yl)pyridine 1159821-73-4 C8H6N2OS
4-Amino-3-bromo-2-(tert-butyl)pyridine 4-Amino-3-bromo-2-(tert-butyl)pyridine 1563534-44-0 C9H13BrN2
4-Amino-3-bromo-6-(2-methyl-4-fluorophenyl)pyridine 4-Amino-3-bromo-6-(2-methyl-4-fluorophenyl)pyridine 1563532-09-1 C12H10BrFN2
4-Amino-3-bromo-6-(sec-butyl)pyridine 4-Amino-3-bromo-6-(sec-butyl)pyridine 1563529-18-9 C9H13BrN2
4-Amino-3-bromo-6-methylethylaminopyridine 4-Amino-3-bromo-6-methylethylaminopyridine 1446413-22-4 C8H12BrN3
4-Amino-6-(2-fluorophenyl)pyrimidine 4-Amino-6-(2-fluorophenyl)pyrimidine 1159820-15-1 C10H8FN3
4-Amino-6-(2-methyl-4-thiazolyl)-2-cyclopropylpyrimidine 4-Amino-6-(2-methyl-4-thiazolyl)-2-cyclopropylpyrimidine 1159820-56-0 C11H12N4S
4-Amino-6-(4-methoxyphenyl)pyrimidine 4-Amino-6-(4-methoxyphenyl)pyrimidine 791524-73-7 C11H11N3O
4-Amino-6-(cyclohexyl)pyrimidine 4-Amino-6-(cyclohexyl)pyrimidine 1159819-98-3 C10H15N3
4-Amino-1-(5-cyclopropyl-3-pyridyl)imidazole 4-Amino-1-(5-cyclopropyl-3-pyridyl)imidazole 1353854-36-0 C11H12N4
4-Amino-2-(3-aminophenyl)pyridine 4-Amino-2-(3-aminophenyl)pyridine 1215072-99-3 C11H11N3
4-Amino-2-(4-aminophenyl)pyrimidine 4-Amino-2-(4-aminophenyl)pyrimidine 1339380-18-5 C10H10N4
4-Amino-2-(4-tert-butylphenyl)thiazole 4-Amino-2-(4-tert-butylphenyl)thiazole 123970-70-7 C13H16N2S
4-AMINO-3-(IMIDAZOL-1-YL)PYRIDINE 4-AMINO-3-(IMIDAZOL-1-YL)PYRIDINE 1563533-45-8 C8H8N4
4-Amino-3-(tetrahydrofuran-3-yloxy)pyridine 4-Amino-3-(tetrahydrofuran-3-yloxy)pyridine 1563530-88-0 C9H12N2O2
4-Amino-3,5-dibromo-2-(3,4-difluorophenyl)pyridine 4-Amino-3,5-dibromo-2-(3,4-difluorophenyl)pyridine 1563532-31-9 C11H6Br2F2N2
4-Amino-3,5-dibromo-2-(3-furyl)pyridine 4-Amino-3,5-dibromo-2-(3-furyl)pyridine 1563532-53-5 C9H6Br2N2O
4-Amino-3,5-dibromo-2-(4-tolyl)pyridine 4-Amino-3,5-dibromo-2-(4-tolyl)pyridine 1563530-14-2 C12H10Br2N2
4-Amino-3,5-dibromo-2-(tert-butyl)pyridine 4-Amino-3,5-dibromo-2-(tert-butyl)pyridine 1563529-52-1 C9H12Br2N2
4-Amino-3,5-dibromo-2,4'-bipyridine 4-Amino-3,5-dibromo-2,4'-bipyridine 1563534-00-8 C10H7Br2N3
4-Amino-3-bromo-2-(4-cyanophenyl)pyridine 4-Amino-3-bromo-2-(4-cyanophenyl)pyridine 1622839-08-0 C12H8BrN3
6-(tert-butoxy)-N-ethyl-N-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine 6-(tert-butoxy)-N-ethyl-N-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine 2256755-22-1 C18H31BN2O3
6-(tetrahydro-2H-pyran-2-yl)pyrimidin-4-amine 6-(tetrahydro-2H-pyran-2-yl)pyrimidin-4-amine 2222935-00-2 C9H13N3O
6-(tetrahydrofuran-3-yl)pyridin-3-ol 6-(tetrahydrofuran-3-yl)pyridin-3-ol 2222935-49-9 C9H11NO2
6-bromopyridin-2,4,5-d3-3-ol 6-bromopyridin-2,4,5-d3-3-ol 2241864-94-6 C5H4BrNO
Methyl 4,5-dibromothiazole-2-carboxylate Methyl 4,5-dibromothiazole-2-carboxylate 1314355-85-5 C5H3Br2NO2S
N-Boc-2,3-Dihydro-6-bromo-[1,4]oxazine N-Boc-2,3-Dihydro-6-bromo-[1,4]oxazine 1622843-89-3 C9H14BrNO3
1-(3-Fluoro-phenyl)-1H-[1,2,3]triazol-4-ylamine 1-(3-Fluoro-phenyl)-1H-[1,2,3]triazol-4-ylamine 1443289-79-9 C8H7FN4
2-Bromo-6-(morpholino-d8)-pyridine 2-Bromo-6-(morpholino-d8)-pyridine 1643538-76-4 C9H11BrN2O
1-(4-BROMO-6-IODOPYRIDIN-2-YL)ETHANONE 1-(4-BROMO-6-IODOPYRIDIN-2-YL)ETHANONE 1393544-68-7 C7H5BrINO
1-Azetidinecarboxylic acid, 3-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-pyridinyl]-, 1,1-dimethylethyl ester 1-Azetidinecarboxylic acid, 3-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-pyridinyl]-, 1,1-dimethylethyl ester 2223049-22-5 C19H29BN2O4
Thiophene, 2-bromo-5-cyclohexyl- Thiophene, 2-bromo-5-cyclohexyl- 144121-35-7 C10H13BrS
2-Bromo-4-fluoropyridine-d3 2-Bromo-4-fluoropyridine-d3 1643539-27-8 C5H3BrFN
2-Bromo-5-(n-propoxy)pyridine-d10 2-Bromo-5-(n-propoxy)pyridine-d10 1643541-87-0 C8H10BrNO
2-Bromo-5-(piperidino-d10)-pyridine 2-Bromo-5-(piperidino-d10)-pyridine 1643575-40-9 C10H13BrN2
2-Bromo-6-(tert-butyl-d9)-pyridine 2-Bromo-6-(tert-butyl-d9)-pyridine 1643577-61-0 C9H12BrN
2-Bromo-6-[N-Boc-(pyridine-3,4,5-d3)] 2-Bromo-6-[N-Boc-(pyridine-3,4,5-d3)] 1643541-83-6 C15H21BrN2O4
2-Bromo-6-methylpyridine-d6 2-Bromo-6-methylpyridine-d6 1374664-32-0 C6H6BrN
2-Chloro-4-(methyl-13C, d3)pyrimidine 2-Chloro-4-(methyl-13C, d3)pyrimidine 1227958-88-4 C5H2ClD3N2
2-Chloro-6-(iso-propyl-d7)-4-aminopyridine 2-Chloro-6-(iso-propyl-d7)-4-aminopyridine 1185312-74-6 C8H4ClD7N2
2-Bromo-4-(1H-pyridin-2-one)-6-(tert-butyl)pyrimidine 2-Bromo-4-(1H-pyridin-2-one)-6-(tert-butyl)pyrimidine 1412958-18-9 C13H14BrN3O
4-(2-Methoxyphenyl)thiazole 4-(2-Methoxyphenyl)thiazole 383145-42-4 C10H9NOS
4-(3-METHYLPIPERIDIN-1-YL)PYRIDIN-2-AMINE 4-(3-METHYLPIPERIDIN-1-YL)PYRIDIN-2-AMINE 1314354-73-8 C11H17N3
4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazol-1-yl-5-d)pyridine-2,3,5,6-d4 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazol-1-yl-5-d)pyridine-2,3,5,6-d4 2256710-33-3 C13H12BD5N4O2
4-(5-bromo-2-cyclopropylphenyl)morpholine 4-(5-bromo-2-cyclopropylphenyl)morpholine 2222937-44-0 C13H16BrNO
4-(FURAN-2-YL)PYRIDIN-2-AMINE 4-(FURAN-2-YL)PYRIDIN-2-AMINE 1159819-71-2 C9H8N2O
4-(methyl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine 4-(methyl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine 2241870-61-9 C11H17BN2O2
4-(tetrahydrofuran-2-yl)pyrimidin-2-amine 4-(tetrahydrofuran-2-yl)pyrimidin-2-amine 1862460-20-5 C8H11N3O
4(1H)-Pyrimidinone, 2-cyclopropyl-6-phenyl- 4(1H)-Pyrimidinone, 2-cyclopropyl-6-phenyl- 651043-20-8 C13H12N2O
2(3H)-Thiophenone, 5-phenyl- 2(3H)-Thiophenone, 5-phenyl- 939-09-3 C10H8OS
2-(5-(4-Fluorophenyl)furan-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(5-(4-Fluorophenyl)furan-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1396753-07-3 C16H18BFO3
2-AMINO-6-(5-THIAZOLYL)PYRIDINE 2-AMINO-6-(5-THIAZOLYL)PYRIDINE 1563533-77-6 C8H7N3S
2-BROMO-3-(3-METHYLPIPERIDIN-1-YL)PYRIDINE 2-BROMO-3-(3-METHYLPIPERIDIN-1-YL)PYRIDINE 1563531-00-9 C11H15BrN2
4-bromopyrimidine-2,5,6-d3 4-bromopyrimidine-2,5,6-d3 2241865-73-4 C4H3BrN2
Pyrimidine, 4-chloro-2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyrimidine, 4-chloro-2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2223029-78-3 C11H16BClN2O2
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