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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(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(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?；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(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
5-Bromo-1-ethyl-1H-Imidazole	1429028-32-9	C5H7BrN2
tert-butyl 4-(3-bromo-5-methylphenyl)piperazine-1-carboxylate	1629271-58-4	C16H23BrN2O2
4,4,5,5-tetramethyl-2-(3-(tetrahydro-2H-pyran-4-yl)phenyl)-1,3,2-dioxaborolane	2223029-05-6	C17H25BO3
8-chloro-6-methylimidazo[1,2-a]pyrazine	143591-86-0	C7H6ClN3
cyclopropyl(piperazin-1-yl-2,2,3,3,5,5,6,6-d8)methanone	2055113-57-8	C8H6D8N2O
1-(4-fluorophenyl)-3-methyl-1H-pyrazol-4-amine	1374829-94-3	C10H10FN3
tert-butyl 4-bromo-5-methyl-1H-imidazole-1-carboxylate	2460500-44-9
2,5-dibromo-1-phenyl-1H-imidazole	2294944-35-5	C9H6Br2N2
1,2,5-trimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2368225-25-4
Methyl 5-broMo-2-(4-Methylpiperazin-1-yl)benzoate	1131587-80-8	C13H17BrN2O2
1-(tert-butyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2710298-97-6	C13H23BN2O2
4-(tetrahydro-2H-pyran-3-yl)phenol	1353854-01-9	C11H14O2
8-Nitro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoquinoline	2819706-22-2	C15H17BN2O4
3-(3-Tetrahydropyranyl)bromobenzene	1353854-95-1	C11H13BrO
2-Chloro-4-(piperidino)phenylboronic acid pinacol ester	1366131-55-6	C17H25BClNO2
1-(4-bromo-2-(trifluoromethyl)phenyl)-1H-pyrazole	1486653-55-7	C10H6BrF3N2
2-(5-bromopyrazin-2-yl)oxazole	2697155-04-5
2-bromo-4-methoxyquinazoline	1782469-56-0	C9H7BrN2O
1-(ethyl-d5)-3-(methyl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-4-d	2819703-67-6	C12H21BN2O2
2-(difluoromethyl)-1-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2819704-06-6	C11H17BF2N2O2
2-(difluoromethyl)-1-(methyl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2819704-23-7	C11H17BF2N2O2
methyl-d3 3-(methyl-d3)-1H-pyrazole-5-carboxylate-4-d	2819705-41-2	C6H8N2O2
2-bromo-6-(hydroxymethyl-d2)tetrahydro-2H-pyran-2,3,4,5,6-d5-3,4,5-triol	2819705-46-7	C6H11BrO5
(2R,3S,4R,5S,6S)-2-(hydroxymethyl)-6-(2-(4-hydroxyphenyl-2,3,5,6-d4)ethoxy)tetrahydro-2H-pyran-3,4,5-triol	2819705-67-2	C14H20O7
(2R,3R,4S,5S,6R)-2-(4-(4-(3,4-dimethoxyphenyl-2,5,6-d3)tetrahydro-1H,3H-furo[3,4-c]furan-1-yl)-2-methoxyphenoxy-3,5,6-d3)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol	2819995-53-2	C27H34O11
2-(4-(4-(3,4-dimethoxyphenyl-2,5,6-d3)tetrahydro-1H,3H-furo[3,4-c]furan-1-yl-1,4-d2)-2-methoxyphenoxy-3,5,6-d3)-6-(hydroxymethyl-d2)tetrahydro-2H-pyran-3,4,5-triol	2819705-86-5	C27H34O11
2-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoquinolin-4-yl)propan-2-ol	2819706-39-1	C18H24BNO3
2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)tetrahydro-2H-pyran-2,3,3,4,5,5,6,6-d8-4-ol	2819705-17-2	C11H21BO4
tert-butyl 3-methyl-4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl)piperidine-1-carboxylate	2819706-84-6	C21H34BNO4S
tert-butyl 3-methyl-4-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazin-2-yl)piperidine-1-carboxylate	2819706-99-3	C21H34BN3O4
3-(methoxy-d3)-1-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-5-d	2819705-30-9	C11H19BN2O3
(2R,3S,4R,5S,6S)-2-(hydroxymethyl)-6-(2-(4-hydroxyphenyl)ethoxy-1,1,2,2-d4)tetrahydro-2H-pyran-3,4,5-triol	2819705-34-3	C14H20O7
2-bromo-6-(hydroxymethyl-d2)tetrahydro-2H-pyran-2,3,4,5-d4-3,4,5-triol	2819705-39-8	C6H11BrO5
2-(phenyl-d5)-2-(((2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)acetonitrile	2819705-58-1	C14H17NO6
2-(4-(4-(3,4-dimethoxyphenyl-2,5,6-d3)tetrahydro-1H,3H-furo[3,4-c]furan-1-yl)-2-methoxyphenoxy-3,5,6-d3)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol	2819705-82-1	C27H34O11
(2R,3R,4S,5S,6R)-2-(4-(4-(3,4-dimethoxyphenyl)tetrahydro-1H,3H-furo[3,4-c]furan-1-yl-1,4-d2)-2-methoxyphenoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol	2819995-50-9	C27H34O11
4-(tetrahydrofuran-2-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoquinoline	2819706-31-3	C19H24BNO3
4-(tetrahydro-2H-pyran-2-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoquinoline	2819706-36-8	C20H26BNO3
6-cyclopropyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline	2819706-47-1	C18H22BNO2
2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)tetrahydro-2H-pyran-3,5,6-d3-4-ol	2819705-14-9	C11H21BO4
tert-butyl 3-methyl-4-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine-1-carboxylate	2819706-71-1	C23H36BNO4
tert-butyl 4-(3-(methoxycarbonyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-3-methylpiperidine-1-carboxylate	2819706-80-2	C25H38BNO6
tert-butyl 3-methyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)piperidine-1-carboxylate	2819706-91-5	C20H33BN2O4S
tert-butyl 3-methyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazol-1-yl)piperidine-1-carboxylate	2819706-96-0	C19H33BN4O4
2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazin-2-yl)tetrahydro-4H-pyran-4-one	2819707-12-3	C15H21BN2O4
2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazin-2-yl)thiazole	2223044-92-4	C13H16BN3O2S
tert-butyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-2-yl)piperidine-1-carboxylate	2223005-97-6	C19H32BN3O4
tert-butyl 4-(4-cyclopropyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate	2223044-80-0	C24H37BN2O4
5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bipyrazine	2223049-57-6	C14H17BN4O2
2-(1,3-dioxan-5-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine	2241866-43-1	C14H21BN2O4
2-(tetrahydrofuran-2-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine	2222997-20-6	C14H21BN2O3
1-(Thiazol-5-yl)pyrazole-4-boronic acid pinacol ester	2223042-10-0	C12H16BN3O2S
1-(3,4-Difluorophenyl)-1H-pyrazole-4-boronic acid pinacol ester	1402174-48-4	C15H17BF2N2O2
1-Cyclopropyl-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-imidazole	2710298-98-7	C12H19BN2O2
2-(Piperidin-4-yl)thiazole-4-boronic acid pinacol ester	1402166-67-9	C14H23BN2O2S
2-(tetrahydrofuran-3-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine	2223004-29-1	C14H21BN2O3
tert-butyl 2-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)pyrrolidine-1-carboxylate	2223002-71-7	C18H30BN3O4
1-(2-cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-4-methylpiperazine	2223012-21-1	C20H31BN2O2
tert-butyl 4-(2-cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate	2223046-98-6	C24H37BN2O4
2-(3-cyclopropyl-5-(tetrahydro-2H-pyran-2-yl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane	2223006-92-4	C20H29BO3
1-(Thiazol-2-yl)pyrazole-4-boronic acid pinacol ester	2223047-14-9	C12H16BN3O2S
1-(butan-2-yl-d9)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole	2241877-40-5	C13H14BD9N2O2
2-(tert-Butyl)imidazole-4-boronic acid pinacol ester	2223050-74-4	C13H23BN2O2
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(thiophen-3-yl)-1H-imidazole	2223012-88-0	C13H17BN2O2S
1-(4-fluorophenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2223037-83-8	C15H18BFN2O2
1-(5-Amino-2-pyrazyl)imidazole-4-boronic acid pinacol ester	1402240-52-1	C13H18BN5O2
3-Methyl-1-(2-Acetoxyethyl)pyrazole-4-boronic acid pinacol ester	2223042-45-1	C14H23BN2O4
1-(2-Thienyl)-1H-pyrazole-3-boronic acid pinacol ester	2223027-47-0	C13H17BN2O2S
1-(3-Tolyl)-1H-pyrazole-3-boronic acid pinacol ester	2223047-66-1	C16H21BN2O2
1-(4-Methoxyphenyl)-1H-pyrazole-3-boronic acid pinacol ester	2223047-68-3	C16H21BN2O3
1-(1,4-dioxan-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2223003-04-9	C13H21BN2O4
1-isobutyl-2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2223043-27-2	C14H25BN2O2
1-(furan-2-yl)-2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2223012-81-3	C14H19BN2O3
4-(2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)thiazole	2223028-96-2	C13H18BN3O2S
1-(2-fluorophenyl)-2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2223043-49-8	C16H20BFN2O2
2-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole	2223008-85-1	C14H22BNO3S
tert-Butyl 4-4-cyclopropyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl-1-piperazinecarboxylate	2223037-31-6	C24H37BN2O4
4-Ethyl-2-(piperidino)thiazole-5-boronic acid pinacol ester	2223036-72-2	C16H27BN2O2S
1-(4-Aminothiazol-2-yl)pyrazole-4-boronic acid pinacol ester	1402166-50-0	C12H17BN4O2S
1-(tetrahydro-2H-pyran-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2223012-83-5	C14H23BN2O3
1-(4-Chlorophenyl)-1H-imidazole-4-boronic acid pinacol ester	1402174-36-0	C15H18BClN2O2
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(3-(trifluoromethyl)phenyl)-1H-imidazole	2223054-33-7	C16H18BF3N2O2
1-(3,4-difluorophenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	1402174-50-8	C15H17BF2N2O2
1-(6-Chloropyrazin-2-yl)-1H-imidazole-4-boronic acid pinacol ester	2223051-08-7	C13H16BClN4O2
3-Methyl-1-(5-aminopyrazin-2-yl)-1H-pyrazole-4-boronic acid pinacol ester	2223037-86-1	C14H20BN5O2
1-(4-Tolyl)-1H-pyrazole-3-boronic acid pinacol ester	2223028-78-0	C16H21BN2O2
3-Methyl-1-(2-fluorophenyl)-1H-pyrazole-4-boronic acid pinacol ester	2223052-00-2	C16H20BFN2O2
1-(sec-butyl)-2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2222997-37-5	C14H25BN2O2
1-cyclohexyl-2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole	2223012-76-6	C16H27BN2O2
5-(2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)thiazole	2223047-74-1	C13H18BN3O2S
2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(3-(trifluoromethyl)phenyl)-1H-imidazole	2223043-42-1	C17H20BF3N2O2
2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(o-tolyl)-1H-imidazole	2223038-95-5	C17H23BN2O2
4-(N-Boc-piperidin-3-yl)thiophene-2-boronic acid pinacol ester	2223003-11-8	C20H32BNO4S
1-(Oxan-4-yl)-2-ethyl-1H-imidazole-4-boronic acid pinacol ester	2223053-30-1	C16H27BN2O3
1-(Oxan-3-yl)-2-(iso-propyl)-1H-imidazole-4-boronic acid pinacol ester	2223006-07-1	C17H29BN2O3
4-Methyl-1-(sec-butyl)-1H-pyrazole-3-boronic acid pinacol ester	2222997-58-0	C14H25BN2O2
2-Cyclohexylimidazole-4-boronic acid pinacol ester	2223039-04-9	C15H25BN2O2
2-(4-Bromo-1H-pyrazol-1-yl)thiazole-4-boronic acid pinacol ester	2223029-02-3	C12H15BBrN3O2S
2-Amino-5-(6'-chloro-2'-pyrazinyl)thiazole	1185319-45-2	C7H5ClN4S
2,4-Dibromo-5-((N-methylpiperazin-1-yl)thiazole	1195901-10-0	C8H11Br2N3S