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複素環(huán)式化合物

複素環(huán)式化合物は分子中で環(huán)狀構(gòu)造を有する有機(jī)化合物の一種であり，環(huán)を構(gòu)成する炭素原子に加えて，一つ又は複數(shù)の窒素原子、硫黃原子、酸素原子等の他の原子を含有する。一つの環(huán)のみを含有すれば，単環(huán)式化合物と呼ばされ，例えばフラン、チアゾール、ピリジン；二つ又は二つ以上の環(huán)を含有すれば，多環(huán)式化合物と呼ばされ，例えばキノリン、プリン等。その中で性質(zhì)が最も穏やかでかつ最も一般的なのは5員又は6員複素環(huán)である。簡(jiǎn)単な複素環(huán)はベンゼン又は他の複素環(huán)と結(jié)合して二環(huán)、三環(huán)又はより複雑な環(huán)系を形成することができる。ある複素環(huán)は芳香族化合物の特性を有し，例えば置換反応を起こしやすく，付加反応を起こしにくく，酸化剤と合わせて使用する時(shí)にその化學(xué)的性質(zhì)が穏やかである。複素環(huán)式化合物は自然界に広く存在し，例えば核酸、ほとんどのビタミン、クロロフィル、ヘモグロビン、ほとんどのアルカロイド、色素等。一部の複素環(huán)式化合物は芳香族性を有し，例えば植物中のクマロン、シスジャスモン，動(dòng)物中のシベトン等?；瘜W(xué)合成農(nóng)薬中でこの種類の化合物は多く，例えば除草剤のアトラジン、アミトロール、イソメチオジン，殺蟲剤のプロパルギット、キナルホス，殺菌剤のトリクロロイソシアヌル酸、チオキノックス等。簡(jiǎn)単な複素環(huán)式化合物は有機(jī)化學(xué)工業(yè)の重要な原料である。環(huán)系を構(gòu)成する炭素原子に加えてO，S，N等のヘテロ原子を含有する環(huán)狀化合物は複素環(huán)式化合物と総稱される。この定義に従って，厳密には環(huán)形無水コハク酸、環(huán)形イミド、ラクトン、ラクチド、環(huán)形無水物、ラクタム、環(huán)狀エーテル等も複素環(huán)式化合物に屬し，しかしこれらの化合物は性質(zhì)が脂肪族と類似し，かつ鎖式化合物を縮合して取得しやすいとともに，開環(huán)から鎖狀化合物に変換しやすいため，一般的に脂肪族とともに検討する。そのため複素環(huán)式化合物は特に環(huán)系が穏やかでかつ異なる芳香族性を有する複素環(huán)式化合物を指し，即ち芳香族複素環(huán)化合物である。有機(jī)複素環(huán)式化合物は開鎖、炭素環(huán)、複素環(huán)という三種類の有機(jī)化合物の一種であり，その種類が膨大で，その數(shù)量が多く，すべての既知の有機(jī)化合物の約1/3を占め，かつ生物界に広く存在し，生物の成長(zhǎng)、発育、生殖、及び遺伝、変異等と密接な関係がある。通常の複素環(huán)式化合物はフラン、チオフェン、ピロール、キノリン、カルバゾール等を含む。これらの複素環(huán)式化合物は有機(jī)合成又は醫(yī)薬、農(nóng)薬、溶剤等に広く用いられる。無色でかつ特別な臭いを有する液體又は結(jié)晶であり，その比重が水より小さく又はそれに近く，毒性があり，いくつかの有機(jī)溶剤に溶解でき，水にわずかに溶解する?；鸱N、高熱、酸化剤及び強(qiáng)酸と接觸すると燃焼又は爆発を引き起こすことができ，それに毒性のある硫黃酸化物や窒素酸化物のガス?fàn)钗镔|(zhì)を析出する。フランは空気で過酸化物を形成し，蒸留すると爆発を引き起こすことができる。危険物の管理過程において，火災(zāi)、爆発、毒性の危険性の大きさによって，それぞれ可燃性液體、可燃性固體、有機(jī)有毒物質(zhì)に分類される；貯蔵と使用時(shí)に，その前の二種はA火災(zāi)、B火災(zāi)を引き起こす危険物として，後者はC火災(zāi)を引き起こす危険物として火災(zāi)管理を行う。発火時(shí)に，泡消火剤、粉末消火剤、水ミスト、1211、炭酸ガス消火剤等の消火剤を利用して消火を行うことができる。

ピリジン化合物ピラン化合物ピリダジン化合物ピリミジンピペラジン化合物キノリン化合物ピラジンイソキノリン化合物チオフェン化合物インドール化合物

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Chemical Name	CAS	MF
tert-butyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)piperidine-1-carboxylate	2223009-73-0	C19H31BN2O4S
5-(3,5-Difluorophenyl)pyrazine-2-boronic acid pinacol ester	1402227-69-3	C16H17BF2N2O2
2-(methoxy-d3)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine-3,5-d2	2241876-80-0	C11H17BN2O3
tert-butyl 4-(2-amino-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine-1-carboxylate	2223043-79-4	C22H35BN2O4
tert-butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole-1-carboxylate-2,5-d2	2241864-95-7	C14H21BD2N2O4
5-(3-Methylpiperidin-1-yl)thiophene-2-boronic acid pinacol ester	2223002-76-2	C16H26BNO2S
5-(3-Thienyl)-2-hydroxypyrazine	1159817-99-8	C8H6N2OS
2-Amino-4-(3-methylpiperidino)thiazole	1314357-08-8	C9H15N3S
2-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole-5-d	2241872-07-9	C10H17BN2O2
(1-(methyl-d3)-1H-pyrazol-4-yl)boronic acid	2256709-52-9	C4H7BN2O2
4-BROMO-2-METHYL-N-ACETYL-IMIDAZOLE	1434127-05-5	C6H7BrN2O
2-(methyl-d3)-6-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl-3,5-d2)pyrazine	2256705-76-5	C14H19BN4O2
2-(piperidin-1-yl-d10)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine-3,5-d2	2241876-86-6	C15H24BN3O2
(3-(1H-pyrazol-1-yl-d3)phenyl)boronic acid	2256709-37-0	C9H9BN2O2
2-Bromo-5-(sec-butyl)pyrazine-d11	1643579-89-8	C8H11BrN2
6-Hydroxy-8-phenylimidazo[1,2-a]pyrazine	1159816-01-9	C12H9N3O
4-bromo-1-(3-bromophenyl)-1H-imidazole-2,5-d2	2256712-55-5	C9H6Br2N2
Pyrazine, 2-bromo-5-[(1-methyl-3-azetidinyl)oxy]-	2645412-68-4	C8H10BrN3O
4-Cyclopropyl-3-(1H-pyrazol-1-yl)phenylboronic acid pinacol ester	2223051-86-1	C18H23BN2O2
1-(2-(trifluoromethyl)phenyl)-1H-imidazol-2-amine	1692857-34-3	C10H8F3N3
1-(2-bromo-4-cyclopropylphenyl)piperidine	2222935-02-4	C14H18BrN
1-(2-bromophenyl-3,4,5,6-d4)-2-(methyl-d3)-1H-imidazole-4,5-d2	2256713-05-8	C10H9BrN2
1-(2-fluorophenyl-3,4,5,6-d4)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-4,5-d2	2256705-69-6	C15H18BFN2O2
1-(3-bromo-4-cyclopropylphenyl)piperidine	2222934-99-6	C14H18BrN
1-(3-bromophenyl-2,4,5,6-d4)-1H-imidazole-2,4,5-d3	2256712-89-5	C9H7BrN2
1-(3-fluorophenyl)-2-methyl-1H-imidazol-4-amine	2294957-85-8	C10H10FN3
1-(3-fluorophenyl-2,4,5,6-d4)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole-2,5-d2	2256710-89-9	C15H12BD6FN2O2
1-(4-(methyl-d3)phenyl-2,3,5,6-d4)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-3,5-d2	2256711-23-4	C16H21BN2O2
1-(4,5-Dibromothiazol-2-yl)-4-bromopyrazole	1353856-59-3	C6H2Br3N3S
1-(4-bromo-2-cyclopropylphenyl)piperazine	2126811-35-4	C13H17BrN2
1-(4-bromophenyl)-1H-imidazole-2,4,5-d3	2256712-63-5	C9H7BrN2
1-(4-bromophenyl)-4-(methyl-d3)-1H-pyrazole-3,5-d2	2256712-35-1	C10H9BrN2
1-(4-fluorophenyl)-1,3-dihydro-2H-imidazol-2-one	155431-17-7	C9H7FN2O
1-(4-fluorophenyl-2,3,5,6-d4)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole-2,5-d2	2256710-91-3	C15H18BFN2O2
1-(5-bromo-2-cyclopropylphenyl)piperidine	2222935-39-7	C14H18BrN
1-(6-(methyl-d3)pyrazin-2-yl-3,5-d2)-1H-pyrazol-3,5-d2-4-amine	2256708-06-0	C8H2D7N5
1-(ethyl-d5)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-4,5-d2	2241877-35-8	C11H19BN2O2
1-(methyl-d3)-4-(3-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-2,2,3,3,5,5,6,6-d8	2256705-14-1	C18H18BD11N2O2
1-(methyl-d3)-4-(4-(methyl-d3)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-2,2,3,3,5,5,6,6-d8	2256704-08-0	C18H29BN2O2
8-Bromo-6-phenylimidazo[1,2-a]pyrazine	756772-44-8	C12H8BrN3
methyl 2-(4-bromo-2-methyl-1H-imidazol-1-yl)benzoate	2294945-90-5	C12H11BrN2O2
2-Amino-5-(pyrrolidin-3-yl)pyrazine	1159816-10-0	C8H12N4
2-Amino-6-(3-tolyl)pyrazine	1159818-80-0	C11H11N3
2-Amino-6-(4-tolyl)pyrazine	1159818-63-9	C11H11N3
2-bromo-1-(2-chlorophenyl)-1H-imidazole	1267914-01-1	C9H6BrClN2
2-bromo-1-(3-bromophenyl)-1H-imidazole	1282279-18-8	C9H6Br2N2
1H-Imidazole, 1-(phenylmethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-	2223029-23-8	C16H21BN2O2
Morpholine-2,2,3,3,5,5,6,6-d8, 4-(4-piperidinyl)-	1380696-05-8	C9H18N2O
2-Bromo-6-(dimethylamino)pyrazine-d8	1643576-39-9	C6BrD8N3
2-Bromo-6-(iso-propyl-d7)-pyrazine	1185316-11-3	C7H9BrN2
2-Bromo-6-(n-propyl)pyrazine-d9	1643564-87-7	C7BrD9N2
5-Amino-2-(2-methylimidazol-1-yl)thiazole	1314355-60-6	C7H8N4S
4-(4-bromophenyl)-1,2-bis(methyl-d3)-1H-imidazole-5-d	2256713-12-7	C11H11BrN2
4-bromo-1-(3-fluorophenyl)-1,3-dihydro-2H-imidazol-2-one	2294946-40-8	C9H6BrFN2O
4-methyl-2-(tetrahydro-2H-pyran-4-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole	2223029-24-9	C15H24BNO3S
5-(1H-Pyrazol-1-yl)thiophene-2-boronic acid pinacol ester	2223032-96-8	C13H17BN2O2S
5-(2-Aminopropan-2-yl)pyrazine-2-boronic acid pinacol ester	2223035-92-3	C13H22BN3O2
5-(Imidazol-1-yl)thiophene-2-boronic acid pinacol ester	2223051-07-6	C13H17BN2O2S
5,5'-Dibromo-2,2'-bipyrazine	1622840-94-1	C8H4Br2N4
1-(Oxolan-3-yl)-2-(1-methylethyl)-1H-imidazol-4-amine	1622835-16-8	C10H17N3O
1-(phenylmethyl-d2)piperidin-4-one-2,2,3,3,5,5,6,6-d8	2259315-76-7	C12H15NO
1,2-Di(1-methylethyl)-1H-imidazol-4-amine	1622839-89-7	C9H17N3
1-cyclopropyl-1,3-dihydro-2H-imidazol-2-one	1519298-89-5	C6H8N2O
2-((propan-2-yl-d7)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine-3,6-d2	2241876-60-6	C13H21BN2O3
2-(1H-pyrazol-1-yl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine-3,6-d2	2256709-58-5	C13H12BD5N4O2
2-(2-(methyl-d3)-1H-imidazol-1-yl-4,5-d2)benzen-3,4,5,6-d4-amine	2256713-07-0	C10H11N3
2-(3-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-imidazole	2256755-75-4	C16H21BN2O3
2-(3-methyl-1H-pyrazol-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile	2256756-17-7	C17H20BN3O2
2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl-2,5-d2)pyrazine-3,5,6-d3	2256711-37-0	C13H17BN4O2
2-(4-(methyl-d3)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile	2256704-54-6	C18H26BN3O2
2-(4-bromo-1H-pyrazol-1-yl-3,5-d2)pyrazine-3,5,6-d3	2256710-94-6	C7H5BrN4
2-(4-bromophenyl)-6-(methyl-d3)pyrazine-3,5-d2	2256712-18-0	C11H9BrN2
2-(ethyl-d5)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine-3,5-d2	2241876-79-7	C12H19BN2O2
2-(methoxy-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole-5-d	2256711-47-2	C10H17BN2O3
2-(methyl-d3)-1-(4-(methyl-d3)phenyl-2,3,5,6-d4)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole-5-d	2256710-65-1	C17H23BN2O2
2-(piperidin-1-yl-d10)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine-3,6-d2	2241876-63-9	C15H24BN3O2
2-(Piperidin-4-yl)iodobenzene	1434127-50-0	C11H14IN
2-Bromo-4-(N-Boc-piperidin-3-yl)furan	1622834-62-1	C14H20BrNO3
2-Bromo-5-(3-tetrahydrofuranyl)pyrazine	1353856-54-8	C8H9BrN2O
2-Bromo-5-(4-methylpiperidin-1-yl)thiazole	1353857-05-2	C9H13BrN2S
2-bromo-5-(tetrahydro-2H-pyran-4-yl)aniline	1785609-50-8	C11H14BrNO
2-bromo-6-(1H-imidazol-1-yl-d3)pyrazine-3,5-d2	2256707-19-2	C7H5BrN4
2-Bromo-6-(2-methylpiperidino)pyrazine	1027512-63-5	C10H14BrN3
2-Bromo-6-(4-fluoro-2-methylphenyl)pyrazine	1142196-65-3	C11H8BrFN2
2-Bromo-6-(cyclohexyloxy)pyrazine	1142195-68-3	C10H13BrN2O
2-Bromo-6-(sec-butyl)pyrazine	1086383-16-5	C8H11BrN2
6-(3,5-Difluorophenyl)pyrazine-2-boronic acid pinacol ester	1402227-71-7	C16H17BF2N2O2
6-(3-Tolyl)pyrazine-2-boronic acid pinacol ester	1402172-33-1	C17H21BN2O2
6-cyclopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinonitrile	2223046-66-8	C15H19BN2O2
6-isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinonitrile	2223044-21-9	C15H21BN2O2
methyl 3-(tetrahydro-2H-pyran-3-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate	2223009-80-9	C19H27BO5
methyl 6-(tetrahydro-2H-pyran-3-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinate	2223009-02-5	C18H26BNO5
methyl 6-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinate	2223042-14-4	C13H17BFNO4
tert-butyl 2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole-1-carboxylate	1402174-60-0	C15H25BN2O4
tert-butyl 4-(2-cyclopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine-1-carboxylate	2256708-89-9	C25H38BNO4
tert-butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)phenyl)piperidine-1-carboxylate	2256708-96-8	C23H33BF3NO4
2-Amino-5-(N-Boc-piperidin-3-yl)pyrazine	1563529-56-5	C14H22N4O2
2-Amino-5-(tetrahydropyran-3-yl)pyrazine	1159815-80-1	C9H13N3O
2-Amino-6-(2-tolyl)pyrazine	1159815-43-6	C11H11N3
2-Amino-6-(4-aminophenyl)pyrazine	1215073-23-6	C10H10N4