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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(lèi)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(chóng)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(chēng)される。この定義に従って，厳密には環(huán)形無(wú)水コハク酸、環(huán)形イミド、ラクトン、ラクチド、環(huán)形無(wú)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(lèi)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(kāi)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(kāi)鎖、炭素環(huán)、複素環(huán)という三種類(lèi)の有機(jī)化合物の一種であり，その種類(lèi)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(wú)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。火種、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(guò)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(guò)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(lèi)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
8-Hydroxy-6-(2-thienyl)imidazo[1,2-a]pyrazine	1159816-37-1	C10H7N3OS
Ethanone, 1-(3-bromo-2-pyrazinyl)-	2645412-51-5	C6H5BrN2O
8-Hydroxy-6-methylimidazo[1,2-a]pyrazine	1124321-45-4	C7H7N3O
3-(3-methylpiperidin-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile	2223004-61-1	C19H27BN2O2
2-Bromo-5-(2-methylimidazol-1-yl)furan	1369348-16-2	C8H7BrN2O
5-bromo-2-(3-methylpiperidin-1-yl)-1,3-thiazole	959239-99-7	C9H13BrN2S
methyl 3-(2-oxo-2,3-dihydro-1H-imidazol-1-yl)benzoate	2113525-18-9	C11H10N2O3
2-(ethoxy-d5)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine	2241876-92-4	C12H19BN2O3
methyl-d3 6-bromopyrazine-2-carboxylate-3,5-d2	2259315-98-3	C6BrD5N2O2
2-Bromo-5-(3-methylpiperidin-1-yl)thiophene	1622836-15-0	C10H14BrNS
piperidin-3-one-d9 deuterium chloride	2259315-88-1	C5H10ClNO
2-Bromo-5-(4-methyl-1H-pyrazol-1-yl)furan	1622841-02-4	C8H7BrN2O
tert-butyl 2,5-bis(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole-1-carboxylate	2256711-41-6	C16H27BN2O4
tert-butyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)azetidine-1-carboxylate	2223049-31-6	C17H28BN3O4
TERT-BUTYL 3-(4-BROMO-2-METHYLPHENYL)PIPERIDINE-1-CARBOXYLATE	1563531-36-1	C17H24BrNO2
2-Bromo-5-(cyclopropylamino)pyrazine	1159821-14-3	C7H8BrN3
tert-butyl 4-(2-cyclopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate-2,2,3,3,5,5,6,6-d8	2256705-00-5	C24H37BN2O4
3-(N-Boc-Piperidin-4-yl)-4-chlorophenylboronic acid pinacol ester	2223055-36-3	C22H33BClNO4
5-Methyl-2-(piperidino)thiazole-4-boronic acid pinacol ester	2223033-69-8	C15H25BN2O2S
6-(2-Methoxyphenyl)pyrazine-2-boronic acid pinacol ester	1402227-17-1	C17H21BN2O3
6-(3-Furan)pyrazine-2-boronic acid pinacol ester	2223050-65-3	C14H17BN2O3
6-(4-Tolyl)pyrazine-2-boronic acid pinacol ester	1402172-31-9	C17H21BN2O2
3-Bromo-5-(N-Boc-piperidin-4-yl)phenylboronic acid pinacol ester	2223033-78-9	C22H33BBrNO4
3-Cyano-5-(imidazol-1-yl)phenylboronic acid pinacol ester	2223039-71-0	C16H18BN3O2
3-Fluoro-5-(piperazin-1-yl)phenylboronic acid pinacol ester	2223031-26-1	C16H24BFN2O2
3-Trifluoromethyl-4-(N-Boc-piperidin-3-yl)phenylboronic acid pinacol ester	2222996-61-2	C23H33BF3NO4
4-(2-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine	2223042-08-6	C17H25BClNO2
2-Bromo-6-(3-methyl-1H-pyrazol-1-yl)pyrazine	1159821-18-7	C8H7BrN4
2-Bromo-6-(4-Hydroxypiperidin-1-yl)pyrazine	1017781-82-6	C9H12BrN3O
2-Chloro-6-(3-hydroxypiperidin-1-yl)pyrazine	1159814-03-5	C9H12ClN3O
2-Cyano-4-(3-methylpiperidin-1-yl)phenylboronic acid pinacol ester	2223009-29-6	C19H27BN2O2
2-(piperazin-1-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine	1310405-13-0	C14H23BN4O2
2-(piperidin-1-yl-d10)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine	2241876-73-1	C15H24BN3O2
2-(Piperidino)thiophene-4-boronic acid pinacol ester	2223033-58-5	C15H24BNO2S
2-(sec-butyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine	2223004-09-7	C14H23BN2O2
1H-Imidazole-2-carboxylic acid, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, methyl ester	2223055-82-9	C11H17BN2O4
Thiazole, 4-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]-	2223042-93-9	C12H16BN3O2S
2-Pyrazinecarboxamide, 6-bromo-N-methyl-	1209460-04-7	C6H6BrN3O
1-(2-Bromophenyl)-4-(methyl-d3)piperazine	2256740-95-9	C11H15BrN2
tert-butyl 4-(3-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate-2,2,3,3,5,5,6,6-d8	2256704-79-5	C22H35BN2O4
tert-butyl 4-(3-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate-2,2,3,3,5,5,6,6-d8	2256704-89-7	C22H35BN2O5
tert-butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)phenyl)piperazine-1-carboxylate-2,2,3,3,5,5,6,6-d8	2256704-84-2	C22H32BF3N2O4
tert-butyl 4-(4-bromophenyl)-1H-pyrazole-1-carboxylate-3,5-d2	2256713-16-1	C14H13BrD2N2O2
tert-butyl 4-(5-hydroxypyrazin-2-yl)piperidine-1-carboxylate	2222934-70-3	C14H21N3O3
3-(trifluoromethyl)tetrahydro-2H-pyran-3-ol	1341352-20-2	C6H9F3O2
Piperidine-2,2-d2 (7CI,8CI,9CI)	695-29-4	C5H9D2N
Pyrazine, 2-fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-	2223031-60-3	C10H14BFN2O2
(2-Methyl-5-piperidino-d14)-furan-3-boronic acid pinacol ester	2223039-69-6	C16H26BNO3
[1-(2-Acetoxy)ethylimidazole-d6]-4-boronic acid pinacol ester	2223041-53-8	C13H21BN2O4
[1-(iso-Propyl)imidazole-d9]-4-boronic acid pinacol ester	2223031-48-7	C12H21BN2O2
[4-(iso-Propyl)-2-piperidino-d17]-thiazole-5-boronic acid pinacol ester	2223054-99-5	C17H29BN2O2S
[6-(n-Propoxy)pyrazine-d9]-2-boronic acid pinacol ester	2223049-39-4	C13H15BD9N2O4
1-[(iso-Butyl)pyrazole-d11]-3-boronic acid pinacol ester	2223030-08-6	C13H23BN2O2
2-(tert-Butyl-d9)-imidazole-4-boronic acid pinacol ester	2223037-23-6	C13H16BD9N2O3
6-(tert-butyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinonitrile	2223043-65-8	C16H23BN2O2
methyl 5-(tetrahydro-2H-pyran-3-yl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate	2222996-22-5	C19H27BO5
methyl 6-(1-(tert-butoxycarbonyl)piperidin-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinate	2223045-03-0	C23H35BN2O6
1-(2-Tetrahydrofuranyl)-2-methylimidazol-4-amine	1622834-43-8	C8H13N3O
1-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)phenyl)-1H-pyrazole	2223033-39-2	C16H18BF3N2O2
1-(3-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-4-methyl-1H-pyrazole	2223030-31-5	C16H20BFN2O2
1-(5-BROMO-2-THIENYL)PYRAZOLE	74990-37-7	C7H5BrN2S
1-(iso-Propyl)-2-ethylimidazol-4-amine	1622840-76-9	C8H15N3
1-[3-(TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-5-BROMOPHENYL]PIPERIDIN-2-ONE	2223050-30-2	C17H23BBrNO3
1-[3-(TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-5-METHYLPHENYL]PIPERIDIN-2-ONE	2223030-78-0	C18H26BNO3
1-cyclobutyl-2-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2223033-05-2	C15H25BN2O2
1-Cyclohexyl-2-(iso-propyl)imidazole-4-boronic acid pinacol ester	2223051-31-6	C18H31BN2O2
1-isobutyl-2-isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2223042-78-0	C16H29BN2O2
1H-Pyrazole, 1-(2-methoxyphenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-	1402173-06-1	C16H21BN2O3
Piperazine, 1-(4-bromophenyl)-3,5-dimethyl-	1478050-73-5	C12H17BrN2
1H-Pyrazole-4-d, 3,5-dimethyl-	1322610-49-0	C5H8N2
2-Fluoro-5-(N-Boc-piperidin-3-yl)phenylboronic acid pinacol ester	2223004-63-3	C22H33BFNO4
2-Amino-5-(3-methoxyphenyl)pyrazine	328233-25-6	C11H11N3O
2-Amino-5-(cyclohexyl)pyrazine	1159817-85-2	C10H15N3
2-Bromo-4-(1H-pyrazol-1-yl)furan	1622839-59-1	C7H5BrN2O
1H-Imidazole-2-d	53716-56-6	C3H3DN2
2-(3-Bromo-4-methylphenyl)-1H-imidazole	1692062-73-9	C10H9BrN2
1H-Imidazole, 4-bromo-2-ethoxy-1-methyl-	1895273-39-8	C6H9BrN2O
Ethanone, 1-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-2-yl]-	2223055-87-4	C11H17BN2O3
1,4-Piperidine-2,2,3,3,4,5,5,6,6-d9-dicarboxylic acid, 1-(1,1-dimethylethyl) ester	2448088-42-2	C11H19NO4
1H-Imidazol-2-amine, 1-(tetrahydro-2H-pyran-3-yl)-	1690643-04-9	C8H13N3O
2H-Imidazol-2-one, 1,3-dihydro-4-methyl-1-(1-methylethyl)-	1542569-51-6	C7H12N2O
1H-Imidazole, 2-fluoro-1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-	2460672-77-7	C10H16BFN2O2
1H-Imidazole, 1-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-	1876473-46-9	C11H19BN2O2
1-Piperazinecarboxylic acid, 4-(3-bromo-4-methylphenyl)-, 1,1-dimethylethyl ester	1991716-25-6	C16H23BrN2O2
2H-Imidazol-2-one, 1-cyclopropyl-1,3-dihydro-4-methyl-	1500589-93-4	C7H10N2O
1H-Pyrazole, 4-methyl-1-(1-methylethyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-	2223038-93-3	C13H23BN2O2
2,6-Dibromopyrazine-d2	1185315-98-3	C4H2Br2N2
2-Amino-5-(dimethylamino-d6)-pyrazine	1643538-75-3	C6H10N4
2-Amino-5-(methoxy-d3)-pyrazine	1643538-50-4	C5H7N3O
2-Amino-6-(n-propoxy-d7)-pyrazine	1643563-83-0	C7H11N3O
2-Amino-6-(sec-butyl-d9)-pyrazine	1643539-40-5	C8H13N3
2-Bromo-5-(iso-butyl-d9)-pyrazine	1643538-32-2	C8H11BrN2
2-Bromo-5-(methoxy-d3)-pyrazine	1185310-75-1	C5H5BrN2O
2-Bromo-5-(methyl-d3)-pyrazine	1185307-05-4	C5H5BrN2
2-Bromo-5-(tert-butyl)pyrazine-d11	1643576-02-6	C8H11BrN2
2-Bromo-6-(ethyl-d5)-pyrazine	1185316-02-2	C6H2BrD5N2
2-Bromo-6-(methylethylamino-d8)-pyrazine	1643577-03-0	C7H10BrN3
2-Bromo-6-(pyrrolidino)pyrazine-d10	1643575-58-9	C8H10BrN3
2-Bromo-6-(tert-butoxy-d9)-pyrazine	1185307-79-2	C8H11BrN2O
2-Bromo-6-fluoropyrazine-d2	1643576-11-7	C4BrD2FN2