硼烷又称硼氢化合物,是由硼和氢两种元素形成的一系列化合物的总称。简单的硼烷通常是无色且具有难闻臭味的剧毒物质,在空气中极易自燃,生成氧化硼。
随着硼原子数的增加,硼烷的状态从气态(如乙硼烷)逐渐转变为液态(如戊硼烷),最终变成固态(如癸硼烷)。截至目前,人们已经制备出20多种硼烷。这些化合物分为两类,其通式分别为:BnHR+4 (n≥2),例如乙硼烷(B2H6)、戊硼烷-9 (B5H9)和十六硼烷(B16H20);以及 BnHR+6 (n≥3),如丙硼烷(B3H9)、戊硼烷-11(B5H11)和壬硼烷(B9H15)。几乎所有硼烷都具有难闻的臭味。低级硼烷在空气中非常活泼,容易自燃、水解、卤化或胺化。
乙硼烷是用量最多且最重要的硼烷,工业上通过三氟化硼与氢化锂在乙醚中反应制得。其他硼烷可通过乙硼烷在不同温度下的热分解获得。由于其燃烧时释放大量热量,硼烷可用作火箭和导弹的高能燃料。此外,它还可用于金属或陶瓷零件处理、橡胶交联以及有机物硼氢化反应中的还原剂。
尽管硼烷用途广泛且重要,但它们具有剧毒性。吸入乙硼烷可能损害肺部,而癸硼烷可能导致心脏功能衰退;高级硼烷则可能对中枢神经系统、肝脏和肾脏造成损害。因此,在使用时必须格外小心。
| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| N,N-二异丙基乙胺硼烷络合物 | N,N-diisopropylethylamine borane | 88996-23-0 | C8H19BN |
| N,N-二(4-联苯基)-4-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)苯胺 | bis(biphenyl-4-yl)[4-(4,4,5,5-tetramethyl-[1,3,2]-dioxaborolan-2-yl)phenyl]amine | 952431-30-0 | C36H34BNO2 |
| B-苄基-9-硼杂双环[3.3.1]壬烷 | 9-benzyl-9-borabicyclo[3.3.1]nonane | 53317-09-2 | C15H21B |
| B-氯-1,2-苯二酚硼烷 | 2-chloro-1,3,2-benzodioxaborole | 55718-76-8 | C6H4BClO2 |
| 9-(2-乙基己基)-2,7-双(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)-9h-咔唑 | 2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-N-(2-ethylhexyl)carbazole | 476360-83-5 | C32H47B2NO4 |
| 5-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)噻唑 | 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole | 1086111-09-2 | C9H14BNO2S |
| 5-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)吲哚啉 | 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)indoline | 1062174-44-0 | C14H20BNO2 |
| 5-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)-2-吡啶甲胺 | C-[5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyridin-2-yl]-methylamine | 880495-82-9 | C12H19BN2O2 |
| 5,5-二氟-2,8-二碘-1,3,7,9,10-五甲基-5H-二吡咯并[1,2-c:2',1'-f][1,3,2]二氮杂硼烷 | 4,4-difluoro-2,6-diiodo-1,3,5,7,8-pentamethyl-4-bora-3a,4a-diaza-s-indacene | 1031443-55-6 | C14H15BF2I2N2 |
| 4-甲基吗啉硼烷络合物 | borane 4-methylmorpholine complex | 15648-16-5 | C5H14BNO |
| 4-氨基-3-硝基苯硼酸频那醇酯 | 4-amino-3-nitrophenylboronic acid pinacol ester | 833486-94-5 | C12H17BN2O4 |
| 4-二乙基吡啶硼烷 | diethyl(4-pyridyl)borane | 93830-58-1 | C9H14BN |
| 4-(二乙氨基)苯基硼酸频哪醇酯 | N,N-diethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline | 920304-57-0 | C16H26BNO2 |
| 4-(5,5-二甲基-1,3,2-二氧杂己硼烷-2-基)苯甲醛 | 5,5-dimethyl-2-(4-formylphenyl)-1,3,2-dioxaborinane | 128376-65-8 | C12H15BO3 |
| 4-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)氯苯 | 4-chlorophenylboronic acid pinacol ester | 195062-61-4 | C12H16BClO2 |
| 4-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)氟苯 | 2-(4-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | 214360-58-4 | C12H16BFO2 |
| 4-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)-1-三苯甲游基-1H-吡唑 | 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-trityl-1H-pyrazole | 863238-73-7 | C28H29BN2O2 |
| 4-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)-1H-吡唑-1-乙酸甲酯 | methyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)acetate | 959585-44-5 | C12H19BN2O4 |
| 4-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)-1H-吡唑-1-乙酸 | 1-(ethoxycarbonylmethyl)-1H-pyrazole-4-boronic acid pinacol ester | 1083326-41-3 | C11H17BN2O4 |
| 4,7-双(4,4,5,5-四甲基-1,3,2-二氧杂戊硼烷-2-基)-2,1,3-苯并噻二唑 | 4,7-bis-pinacolato-diborane-2,1,3-benzothiadiazole | 934365-16-9 | C18H26B2N2O4S |
| 4,4,6-三甲基-2-苯基-1,3,2-二氧硼烷 | 4,4,6-trimethyl-2-phenyl-1,3,2-dioxaborinane | 15961-35-0 | C12H17BO2 |
| 4,4,6-三甲基-2-乙烯基-1,3,2-二氧杂硼烷 | 4,4,6-trimethyl-2-vinyl-1,3,2-dioxaborinane | 4627-10-5 | C8H15BO2 |
| 4,4,5,5-四甲基-2-(螺[2.5]-5-辛烯-6-基)-1,3,2-二噁硼烷 | 4,4,5,5-tetramethyl-2-(spiro[2.5]oct-5-en-6-yl)-1,3,2-dioxaborolane | 859219-46-8 | C14H23BO2 |
| 4,4,5,5-四甲基-2-(3,3,5,5-四甲基-1-环己烯-1-基)-1,3,2-二噁硼烷 | 4,4,5,5-tetramethyl-2-(3,3,5,5-tetramethylcyclohexen-1-yl)-1,3,2-dioxaborolane | 859217-85-9 | C16H29BO2 |
| 4,4,5,5-四甲基-2-(2-(间甲苯基)丙-1-烯-1-基)-1,3,2-二氧杂硼烷 | (E)-4,4,5,5-tetramethyl-2-(2-(m-tolyl)prop-1-en-1-yl)-1,3,2-dioxaborolane | 1398771-23-7 | C16H23BO2 |
| 4,4,5,5-四甲基-2-(2-(对甲苯基)丙-1-烯-1-基)-1,3,2-二氧杂硼烷 | (E)-4,4,5,5-tetramethyl-2-(2-p-tolylprop-1-enyl)-1,3,2-dioxaborolane | 1398771-21-5 | C16H23BO2 |
| 3-硝基苯硼酸L-酒石酸酯 | 2-(3-nitrophenyl)-1,3,2-dioxaborolane-(4R,5R)-dicarboxylic acid | 467443-01-2 | C10H8BNO8 |
| 3-甲基苯硼酸频呐醇酯 | 4,4,5,5-tetramethyl-2-m-tolyl-1,3,2-dioxaborolane | 253342-48-2 | C13H19BO2 |
| 3-丙烯酰胺基苯硼酸频呐醇酯 | N-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acrylamide | 874363-18-5 | C15H20BNO3 |
| 3-(异丙氧基羰基)苯硼酸 | 3-isopropoxycarbonylphenylboronic acid | 342002-80-6 | C10H13BO4 |
| 3-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)丙腈 | 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)propanenitrile | 238088-31-8 | C9H16BNO2 |
| 3,5-二甲基苯硼酸频哪醇酯 | 2-(3,5-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | 325142-93-6 | C14H21BO2 |
| 3,3-二甲基苯并[C][1,2]氧杂戊硼烷-1(3H)-醇 | 3,3-dimethylbenzo[c][1,2]oxaborol-1(3H)-ol | 221352-10-9 | C9H11BO2 |
| 2-苯基-1-乙炔硼酸频那醇酯 | 4,4,5,5-tetramethyl-2-phenylethynyl-[1,3,2]dioxaborolane | 159087-45-3 | C14H17BO2 |
| 2-苄基-4,4,5,5-四甲基-1,3,2-二杂氧戊硼烷 | pinacol benzylboronate | 87100-28-5 | C13H19BO2 |
| 2-甲氧基-3-氟吡啶-5-硼酸�鼓拇减� | 3-fluoro-2-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine | 1310384-35-0 | C12H17BFNO3 |
| 2-甲基吡啶硼烷复合物 | 2.6-(CH3)2C5H3N*BH3 | 3999-42-6 | C7H12BN |
| 2-甲基-3-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)苯甲酸甲酯 | methyl 2-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate | 955929-54-1 | C15H21BO4 |
| 2-氯-5-(4,4,5,5-四甲基-1,3,2-二氧硼烷)吡啶 | 2-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine | 444120-94-9 | C11H15BClNO2 |
| 2-氯-4-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)苯甲腈 | 2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile | 548797-51-9 | C13H15BClNO2 |
| 2-乙炔-4,4,5,5-四甲基-[1,3,2]二噁硼烷 | 2-ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane | 347389-74-6 | C8H13BO2 |
| 2-乙氧基-4,4,6-三甲基-1,3,2,-二羟硼 | 2-ethoxy-4,4,6-trimethyl-1,3,2-dioxaborinane | 52386-21-7 | C8H17BO3 |
| 2-丙二烯基-4,4,5,5-四甲基-1,3,2-二氧杂硼烷 | 4,4,5,5-tetramethyl-2-(propa-1,2-dien-1-yl)-1,3,2-dioxaborolane | 865350-17-0 | C9H15BO2 |
| 2-丁基-4,4,5,5-四甲基-1,3,2-二杂氧戊硼酸 | pinacol butylboronate | 69190-62-1 | C10H21BO2 |
| 2-(氯甲基)-4,4,5,5-四甲基-1,3,2-二噁硼烷 | 2-(chloromethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | 83622-42-8 | C7H14BClO2 |
| 2-(噻吩-3-基)-2,3-二氢苯并[D][1,3,2]二氮杂硼硼烷-4(1H)-酮 | 2-(thiophen-3-yl)-2,3-dihydrobenzo[d][1,3,2]diazaborinin-4(1H)-one | 1296939-24-6 | C11H9BN2OS |
| 2-(4-羧苯基)-1,3,2-二氧杂硼烷 | 2-(4-carboxyphenyl)-1,3,2-dioxaborinane | 126747-13-5 | C10H11BO4 |
| 2-(4-溴丁基)-1,3,2-苯并二氧杂戊硼烷 | 4-bromo-1-butylboronic acid catechol ester | 142172-51-8 | C10H12BBrO2 |
| 2-(4-(二氟甲氧基)-2,3-二氟苯基)-4,4,5,5-四甲基-1,3,2-二氧硼烷 | 2-(4-(difluoromethoxy)-2,3-difluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | 1628442-57-8 | C13H15BF4O3 |
| 2-(3-氯苄基)-4,4, 5,5-四甲基-1,3,2-二噁硼烷 | 2-(3-chlorobenzyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | 517920-59-1 | C13H18BClO2 |