化学性质
白色晶体。其熔点为34-36℃(97%商品),而溴氢酸盐的熔点则在239-242℃之间。主要用于有机合成。
用途
久洛尼定是一类极为重要的氮杂环化合物,广泛应用于光化学工业中的荧光染料以及生物活性药物等相关产品的开发。
生产方法
将66.5克(0.5摩尔)四氢喹啉与400克1-溴-3-氯丙烷在150-160℃油浴中加热20小时,冷却后加入50毫升浓盐酸和500毫升水,并进行水蒸气蒸馏以除去过量的1-溴-3-氯丙烷。用40%氢氧化钠将剩余物调至碱性,然后用乙醚提取。乙醚提取液用水洗涤,经粒状氢氧化钠干燥后,蒸除乙醚并在减压下进行蒸馏。收集105-110℃(0.133kPa)的馏分,最终得到67-70克久洛尼定。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 3-(3,4-dihydroquinolin-1(2H)-yl)propan-1-ol | 88014-20-4 | C12H17NO | 191.273 |
—— | 2,3,6,7-tetrahydro-1H,5H-benzo |
101359-27-7 | C12H15NO | 189.257 |
8-羟基久洛里定 | 8-hydroxyjulolidine | 41175-50-2 | C12H15NO | 189.257 |
1,2,3,4-四氢喹啉 | 1,2,3,4-tetrahydroisoquinoline | 635-46-1 | C9H11N | 133.193 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 4-amine-julolidine | 59056-57-4 | C12H16N2 | 188.272 |
—— | 9-cyano-2,3,6,7-tetrahydro-1H,5H-benzo[ij]quinolizine | 97315-60-1 | C13H14N2 | 198.268 |
9-醛基久洛尼定 | 9-julolidinecarboxaldehyde | 33985-71-6 | C13H15NO | 201.268 |
2,3,6,7-四氢-1H,5H-苯并(ij)喹嗪-9-甲醇 | (2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)-methanol | 101077-18-3 | C13H17NO | 203.284 |
4-溴久洛尼定 | 9-bromo-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinoline | 70173-54-5 | C12H14BrN | 252.154 |
—— | 9-formyl-2,3,6,7-tetrahydro-1H,5H-benzo[ij]quinolizine oxime | 6310-83-4 | C13H16N2O | 216.283 |
—— | p-nitrosojulolidine | 33949-11-0 | C12H14N2O | 202.256 |
—— | (E)-3-(2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)acrylaldehyde | 159923-42-9 | C15H17NO | 227.306 |
—— | N-(2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-ylmethyl)-acetamide | 101651-46-1 | C15H20N2O | 244.337 |
—— | 2,3,6,7-tetrahydro-9-methoxy-1H,5H-benzo[ij]quinolizine | 6403-55-0 | C13H17NO | 203.284 |
—— | 1,2,6,7-tetrahydropyrido<3,2,1-i,j>quinolin-3(5H)-one | 57369-31-0 | C12H13NO | 187.241 |
—— | 2,3,6,7,2',3',6',7'-octahydro-1H,5H,1'H,5'H-[9,9']bi[pyrido[3,2,1-ij]quinolinyl] | 33131-88-3 | C24H28N2 | 344.5 |
—— | 9-nitrojulolidine | —— | C12H14N2O2 | 218.255 |
—— | 4-(2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)benzaldehyde | 1352574-11-8 | C19H19NO | 277.366 |
—— | Bis(julolidinyl)ethane-1,2-dione | 89375-11-1 | C26H28N2O2 | 400.521 |
—— | 9-(4-nitro-phenylazo)-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinoline | 32283-84-4 | C18H18N4O2 | 322.367 |
—— | [4-(2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)benzylidene]propanedinitrile | 201533-79-1 | C22H19N3 | 325.413 |
—— | (2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)-ethenetricarbonitrile | 58293-57-5 | C17H14N4 | 274.325 |
—— | 4-(2,3,6,7-Tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)-3-chlorocyclobut-3-ene-1,2-dione | 159148-48-8 | C16H14ClNO2 | 287.746 |
—— | 5-(2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)thiophene-2-carbaldehyde | 1352574-14-1 | C17H17NOS | 283.394 |
—— | 4-(2,3,6,7-Tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)-3-hydroxycyclobut-3-ene-1,2-dione | 159148-50-2 | C16H15NO3 | 269.3 |
—— | 1-(2,3,6,7-tetrahydro-1H,5H-benzo[ij]quinolizin-9-yl)-2-(2-carboxybenzamido)ethanone | 405168-04-9 | C22H22N2O4 | 378.428 |
—— | {[5-(2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)thiophen-2-yl]methylidene}propanedinitrile | 1352574-07-2 | C20H17N3S | 331.441 |
—— | 1-(2,3,6,7-tetrahydro-1H,5H-benzo[ij]quinolizin-9-yl)-2-phthalimidoethanone | 405168-03-8 | C22H20N2O3 | 360.412 |
Regioselective and chemoselective electrophilic bromination of a wide series of activated arenes using N-bromosuccinimide (NBS) in acetonitrile occurs readily. Environmentally friendly conditions, large substrate scope, and ease of synthesis enhance the utility of this method over other electrophilic bromination conditions.