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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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Chemical Name	CAS	MF
2-((oxetan-3-yl-d5)oxy)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,5,6-d3	2364586-43-4	C14H12BD8NO4
2-(3-Tetrahydrofuranyl)aniline	1353854-21-3	C10H13NO
2-((oxetan-3-yl-d5)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine-4,6-d2	2364586-98-9	C13H12BD7N2O4
methyl-d3 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine-2-carboxylate	2368223-40-7	C12H14BD3N2O4
1-Methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,4-tetrahydropyridine		C12H22BNO2
'2-chloro-5-fluoropyridine-3,4,6-d3	2363786-75-6	C5H3ClFN
2-(3-(methyl-d3)piperidin-1-yl-2,2,3,4,4,5,5,6,6-d9)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine	2368224-10-4	C17H15BD12N2O2
2-(4-(methyl-d3)piperidin-1-yl-2,2,3,3,4,5,5,6,6-d9)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,5,6-d3	2368224-15-9	C17H12BD15N2O2
4-(4-(methyl-d3)piperidin-1-yl-2,2,3,3,4,5,5,6,6-d9)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine	2368224-30-8	C17H15BD12N2O2
2-(2-(methyl-d3)piperidin-1-yl-2,3,3,4,4,5,5,6,6-d9)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,5-d3	2368224-34-2	C17H12BD15N2O2
3-(4-(methyl-d3)piperidin-1-yl-2,2,3,3,4,5,5,6,6-d9)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2,4,6-d3	2368224-49-9	C17H12BD15N2O2
2-(3-methylpiperidin-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3	2368224-54-6	C17H24BD3N2O2
2-(pyrrolidin-3-yl)-4-(trifluoromethyl)pyridine	1256822-00-0	C10H11F3N2
2-Amino-4-(tetrahydrofuran-2-yl)pyridine	1353853-63-0	C9H12N2O
2-(tetrahydrofuran-2-yl)aniline	1384979-47-8	C10H13NO
2-(3-methylpiperidin-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine-4,6-d2	2368224-91-1	C16H24BD2N3O2
3-chloro-2-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-4,6-d2	2711075-63-5	C11H12BClD2FNO2
3-chloro-2-(methyl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-4,6-d2	2711075-67-9	C12H12BClD5NO2
2-(methoxy-d3)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-4,5,6-d3	2710289-85-1	C12H12BD6NO3
5-chloro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)imidazo[1,2-a]pyridine-6,8-d2	2710291-05-5	C13H14BClD2N2O2
2-fluoro-4-(methyl-d3)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-5,6-d2	2710291-25-9	C12H12BD5FNO2
4-(methyl-d3)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine	2710291-47-5	C12H15BD3NO2
1-(ethyl-d5)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one-3,4,5-d3	2710291-53-3	C13H12BD8NO3
3-(methyl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridazine-4,6-d2	2710291-79-3	C11H12BD5N2O2
5-(2-(methoxy-d3)ethoxy-1,1,2,2-d4)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine	2710292-10-5	C14H15BD7NO4
2-(2-methoxyethoxy)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,5-d3	2710292-18-3	C14H19BD3NO4
3-((methoxy-d3)methyl-d2)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2,4,6-d3	2710292-72-9	C13H12BD8NO3
2-(methoxymethyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine-4,6-d2	2710292-82-1	C12H17BD2N2O3
8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)imidazo[1,2-a]pyridine-2,3,5,6,7-d5	2710292-98-9	C13H12BD5N2O2
4-fluoro-2-methoxy-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,5-d2	2710293-04-0	C12H15BD2FNO3
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-c]pyridine-2,3,5,7-d4	2710294-58-7	C13H13BD4N2O2
tert-butyl 4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl)piperidine-1-carboxylate-2,2,3,3,4,5,5,6,6-d9	2710294-96-3	C20H23BD9N3O4
2-(tetrahydro-2H-pyran-4-yl-3,3,4,5,5-d5)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine	2710295-17-1	C16H19BD5NO3
4-(tetrahydro-2H-pyran-4-yl-3,3,4,5,5-d5)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,5,6-d3	2710295-22-8	C16H16BD8NO3
3-(methoxy-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2,5,6-d3	2710297-39-3	C12H12BD6NO3
2-(difluoromethyl-d)-5-(methoxy-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,6-d2	2710297-79-1	C13H12BD6F2NO3
2-(difluoromethyl-d)-5-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine	2710297-84-8	C13H14BD4F2NO2
1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,4-tetrahydropyridine-2,2,3,3,4,4,6-d7
tert-butyl 2-oxo-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-1(2H)-carboxylate-3,5,6-d3
2-fluoro-5-(methoxy-d3)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-4,6-d2
3-(1-(methyl-d3)pyrrolidin-2-yl-2,3,3,4,4,5,5-d7)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2,4,6-d3
4-fluoro-5,6-bis(methyl-d3)pyridin-3-amine	2294949-03-2	C7H3D6FN2
pyrimidine-2-d	39899-44-0	C4H3DN2
2-(2-bromopyrimidin-4-yl)propan-1,1,1,3,3,3-d6-2-ol	2363779-79-5	C7H3BrD6N2O
5-bromo-N-(ethyl-d5)pyrimidin-4,6-d2-2-amine	2363781-63-7	C6HBrD7N3
4-(5-bromopyrimidin-2-yl-4,6-d2)morpholine-2,2,3,3,5,5,6,6-d8	2363781-89-7	C8BrD10N3O
5-bromo-N,N-bis(methyl-d3)pyrimidin-2-amine	2363779-46-6	C6H2BrD6N3
tert-butyl 4-(5-bromopyrimidin-2-yl)piperazine-1-carboxylate-2,2,3,3,5,5,6,6-d8	2363779-89-7	C13H11BrD8N4O2
6-(morpholino-d8)pyridin-2,4,5-d3-3-amine	2363779-51-3	C9H2D11N3O
4-(4-chloropyrimidin-2-yl)morpholine-2,2,3,3,5,5,6,6-d8	2363782-87-8	C8H2ClD8N3O
6-(pyrrolidin-1-yl-d8)pyridazin-4,5-d2-3-amine	2363785-34-4	C8H2D10N4
6-(piperidin-1-yl-d10)pyridazin-3-amine	2363789-06-2	C9H4D10N4
6-(piperidin-1-yl-d10)pyridin-3,4,5-d3-2-amine	2363779-36-4	C10H2D13N3
2-Tert-Butylthiazole-5-Amine	1093961-04-6	C7H12N2S
6-methyl-2-thiophen-3-yl-1H-pyrimidin-4-one	1154551-86-6	C9H8N2OS
5-bromo-4-chloro-6-(methyl-d3)pyrimidine	2363780-08-7	C5HBrClD3N2
5-bromo-4-chloro-6-(methoxy-d3)pyrimidine-2-d	2363785-57-1	C5BrClD4N2O
5-bromo-4-chloro-6-(pyrrolidin-1-yl-d8)pyrimidine-2-d	2363788-27-4	C8BrClD9N3
5-bromo-N,N-bis(methyl-d3)pyrimidin-4-amine-2,6-d2	2363782-65-2	C6BrD8N3
1-(4-bromopyridin-2-yl-3,5,6-d3)azetidin-2,2,3,4,4-d5-3-ol	2363788-23-0	C8HBrD8N2O
2-(azetidin-1-yl-d6)-6-bromopyridine-3,4,5-d3	2363782-72-1	C8BrD9N2
2-(cyclopropoxy-d5)-4-fluoropyridine	2256713-35-4	C8H3D5FNO
1-(4-bromopyrimidin-2-yl)piperidin-2,2,3,3,4,5,5,6,6-d9-4-ol	2363783-26-8	C9H3BrD9N3O
4-bromo-2-(3-(methoxy-d3)azetidin-1-yl-2,2,3,4,4-d5)pyridine-3,5,6-d3	2363789-25-5	C9BrD11N2O
4-fluoro-2-(methoxy-d3)pyridine	2256713-39-8	C6H3D3FNO
2,6-bis(methyl-d3)pyridin-3,5-d2-4-amine	2363783-62-2	C7H2D8N2
2-((oxetan-3-yl-d5)oxy)pyridin-4-amine	2363780-54-3	C8H5D5N2O2
(5-(trifluoromethyl)pyridin-3-yl-2,4,6-d3)boronic acid	2819702-16-2	C6H5BF3NO2
2-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3	2819702-21-9	C11H15BClNO2
2-(methyl-d2)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine	2819702-34-4	C12H18BNO2
2-(methyl-d3)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-4,5,6-d3	2819702-93-5	C12H18BNO2
tert-butyl 3-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl-3,5,6-d3)piperidine-1-carboxylate	2819703-29-0	C21H33BN2O4
tert-butyl 3-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl-3,5,6-d3)piperidine-1-carboxylate-2,2,3,4,4,5,5,6,6-d9	2819703-42-7	C21H33BN2O4
5-(prop-1-en-2-yl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine	2819706-10-8	C14H20BNO2
4-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine	2819706-49-3	C10H14BFN2O2
5-fluoro-8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoxaline	2819706-60-8	C14H16BFN2O2
4-(methyl-d2)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,5,6-d3	2819702-54-8	C12H18BNO2
3-fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-4,5,6-d3	2819702-68-4	C11H15BFNO2
tert-butyl 3-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl)piperidine-1-carboxylate-2,2,3,4,4,5,5,6,6-d9	2819703-09-6	C21H33BN2O4
tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl-3,4,6-d3)piperidine-1-carboxylate	2819703-21-2	C21H33BN2O4
2-fluoro-4-(tetrahydrofuran-2-yl)pyridine	2016025-16-2	C9H10FNO
3-Pyridinamine, 5-(1-piperazinyl)-	1564813-32-6	C9H14N4
2-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan -2-yl)-2H-1,2,3-triazole	2710289-98-6	C14H18BN3O2
2-Amino-4-(pyrrolidin-2-yl)pyridine	1270485-39-6	C9H13N3
2-(Pyrrolidin-3-yl)-6-(trifluoromethyl)pyridine	1256812-97-1	C10H11F3N2
5-bromo-2-methoxy-3-(tetrahydrofuran-2-yl)pyridine	2294944-99-1	C10H12BrNO2
2-Chloro-5-(tetrahydrofuran-2-yl)pyridine	1353853-66-3	C9H10ClNO
2-Amino-6-(tetrahydrofuran-2-yl)pyridine	1353853-51-6	C9H12N2O
5-Bromo-1-(methyl-d3)-pyridin-2-one	1611464-91-5	C6H6BrNO
2,6-dibromo-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,5-d2	2819702-19-5	C11H14BBr2NO2
4-(methyl-d2)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine	2819702-56-0	C12H18BNO2
tert-butyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidine-1-carboxylate-2,2,3,4,4,5,5,6,6-d9	2819703-13-2	C21H33BN2O4
tert-butyl 3-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl-2,4,5-d3)piperidine-1-carboxylate	2819703-25-6	C21H33BN2O4
tert-butyl 3-(2-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl)piperidine-1-carboxylate	2819706-03-9	C22H35BN2O4
tert-butyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4H-1,4-oxazine-4-carboxylate	2819706-42-6	C15H24BNO5
8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoxalin-5-amine	2819706-58-4	C14H18BN3O2
tert-butyl 5-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,6-dihydropyridine-1(2H)-carboxylate-2,2,3,3,6,6-d6	2819705-10-5	C17H30BNO4
tert-butyl 3-methyl-4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)piperidine-1-carboxylate	2819706-67-5	C22H35BN2O4
tert-butyl 3-methyl-4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl)piperidine-1-carboxylate	2819706-72-2	C21H34BN3O4
3-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridazine	2819707-28-1	C14H21BN2O3