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硼烷

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 结构式图片
(R)-2-羟基-alpha-[(甲基氨基)甲基]-1,3,2-苯并二氧杂戊硼烷-5-甲醇 Epinephryl borate 5579-16-8 C9H12BNO4
(R)-2-羟基-alpha-[(甲基氨基)甲基]-1,3,2-苯并二氧杂戊硼烷-5-甲醇
(R)-2-甲基-CBS-恶唑硼烷 (3aR)-1-methyl-3,3-diphenyl-tetrahydro-pyrrolo[1,2-c][1,3,2]oxazaborole 112022-83-0 C18H20BNO
(R)-2-甲基-CBS-恶唑硼烷
(R)-2-(O-甲基)苯-CBS-恶唑硼烷 (R)-2-(o-methyl)phenyl-CBS-oxazaborolidine 865812-10-8 C24H24BNO
(R)-2-(O-甲基)苯-CBS-恶唑硼烷
(AR,3AS,4S,6S,7AR)-ALPHA-乙基六氢-3A,5,5-三甲基-4,6-甲桥-1,3,2-苯并二氧硼烷-2-甲胺三氟乙酸盐 (R)-BoroAbu-(+)-Pinanediol-CF3CO2H 208521-43-1 C16H27BF3NO4
(AR,3AS,4S,6S,7AR)-ALPHA-乙基六氢-3A,5,5-三甲基-4,6-甲桥-1,3,2-苯并二氧硼烷-2-甲胺三氟乙酸盐
(4R)-2-甲基-4,5,5-三苯基-1,3,2-恶唑硼烷 (4R)-2-methyl-4,5,5-triphenyl-1,3,2-oxazaborolidine 155268-88-5 C21H20BNO
(4R)-2-甲基-4,5,5-三苯基-1,3,2-恶唑硼烷
(4-乙氧羰基甲苯基)硼酸片钠醇酯 ethyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetate 859169-20-3 C16H23BO4
(4-乙氧羰基甲苯基)硼酸片钠醇酯
(-)-二异松蒎基硼烷 Bis((1R,2S,3R,5R)-2,6,6-trimethylbicyclo[3.1.1]heptan-3-yl)borane 21932-54-7 C20H34B
(-)-二异松蒎基硼烷
(-)-二异松蒎基氯硼烷 (+)-B-chlorodiisopinocampheylborane 112246-73-8 C20H34BCl
(-)-二异松蒎基氯硼烷
(-)-N-十二基-N-甲基麻黄碱溴化物 (-)-N-dodecyl-N-methylephedrinium bromide 57155-63-2 Br*C23H42NO
(-)-N-十二基-N-甲基麻黄碱溴化物
(-)-B-甲氧基二异松莰基硼烷 (-)-B-methoxy-diisopinocamphenylborane 85134-98-1 C21H37BO
(-)-B-甲氧基二异松莰基硼烷
(+)-二异松蒎基氯硼烷 B-chlorodiisopinocampheylborane 112246-73-8 C20H34BCl
(+)-二异松蒎基氯硼烷
—— (+)-Ipc<sub>2</sub>BOMe 85134-98-1 C21H37BO
(+)-Ipc<sub>2</sub>BOMe
—— 3999-42-6 C7H10BN
—— Boron, trihydro(2-methyl-2-propanamine)-, (T-4)- 7337-45-3 C4H11BN
Boron, trihydro(2-methyl-2-propanamine)-, (T-4)-
—— (+)-b-Chlorodiisopinocamphenylborane 112246-73-8 C20H34BCl
(+)-b-Chlorodiisopinocamphenylborane
—— tert-Butylamine borane 7337-45-3 C4H11BN
tert-Butylamine borane
—— (mu-(2,2'-(Ethylenebis(thio))bis(2-methylpropane)-S:S'))hexahydrodiboron 71522-78-6 C10H22B2S2
(mu-(2,2'-(Ethylenebis(thio))bis(2-methylpropane)-S:S'))hexahydrodiboron
—— (R-(R*,S*))-Dodecyldimethyl(alpha-methylphenacyl)ammonium bromide 57155-63-2 C23H40BrNO
(R-(R*,S*))-Dodecyldimethyl(alpha-methylphenacyl)ammonium bromide
—— boron-dimethylsulfide 13292-87-0 B*C2H6S
boron-dimethylsulfide
—— 2-ethoxy-4,4,6-trimethyl-[1,3,2]dioxaborinane 52386-21-7 C8H17BO3
2-ethoxy-4,4,6-trimethyl-[1,3,2]dioxaborinane
—— Pyridine borane 110-51-0 C5H5BN
Pyridine borane
—— Dibromoborane Dimethyl Sulfide (1M in Dichloromethane) 55671-55-1 C2H6BBr2S
Dibromoborane Dimethyl Sulfide (1M in Dichloromethane)
—— Borane-tetrahydrofuran 14044-65-6 C4H8BO
Borane-tetrahydrofuran
—— 2-(benzofuran-3-ylmethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1444010-79-0 C15H19BO3
2-(benzofuran-3-ylmethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
—— diisopinocampheylborane 21932-54-7 C20H35B
diisopinocampheylborane
—— Phenol;trifluoroborane 462-05-5 C12H12BF3O2
Phenol;trifluoroborane
—— DIPCl 85116-37-6 C20H34BCl
DIPCl
—— Borane;2-(2-tert-butylsulfanylethylsulfanyl)-2-methylpropane 71522-78-6 C10H28B2S2
Borane;2-(2-tert-butylsulfanylethylsulfanyl)-2-methylpropane
—— 2-(ethoxycarbonyl)vinylboronic acid pinacol ester 1263187-14-9 C11H19BO4
2-(ethoxycarbonyl)vinylboronic acid pinacol ester
—— (-)-isopinocampheylborane 64234-27-1 C10H19B
(-)-isopinocampheylborane
—— 5-ethyl-2-methylpyridine borane 1014979-56-6 C8H14BN
5-ethyl-2-methylpyridine borane
—— borane morpholine complex 4856-95-5 C4H12BNO
borane morpholine complex
—— dichloroborane dioxane 252265-33-1 C4H9BCl2O2
dichloroborane dioxane
—— morpholine-borane 4856-95-5 BH3*C4H9NO
morpholine-borane
—— 9-BBN dimer 21205-91-4 C16H28B2
9-BBN dimer
—— bis(cyclohexanyl)borane 1568-65-6 C12H23B
bis(cyclohexanyl)borane
—— (+)-B-methoxydiisocamphenylborane 99438-28-5 C21H37BO
(+)-B-methoxydiisocamphenylborane
—— (-)-B-methoxydiisopinocampheylborane 85134-98-1 C21H37BO
(-)-B-methoxydiisopinocampheylborane
—— ethylenediamine bisborane 15165-88-5 C2H14B2N2
ethylenediamine bisborane
—— borane tetrahydrofuran 14044-65-6 BH3*C4H8O
borane tetrahydrofuran
—— chloroborane methyl sulfide complex 63348-81-2 C2H8BClS
chloroborane methyl sulfide complex
—— (+)-(1S,2S)-N-dodecyl-N,N-dimethylpseudoephedrinium bromide 57155-63-2 Br*C23H42NO
(+)-(1S,2S)-N-dodecyl-N,N-dimethylpseudoephedrinium bromide
—— 1,2-dicarba-closo-dodecaborane(12) 16872-09-6 C2H12B10
1,2-dicarba-closo-dodecaborane(12)
—— 1,7-dicarba-closo-dodecaborane(12) 16986-24-6 C2H12B10
1,7-dicarba-closo-dodecaborane(12)
—— dimethyl sulfide borane 13292-87-0 BH3*C2H6S
dimethyl sulfide borane
—— dibutyl ether ; compound with boron fluoride 593-04-4 BF3*C8H18O
dibutyl ether ; compound with boron fluoride