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1,8-二氮杂二环[5.4.0]十一碳-7-烯

1,8-二氮杂二环[5.4.0]十一碳-7-烯
IUPAC名
2,3,4,6,7,8,9,10-八氢嘧啶[1,2-a]氮呯
别名 DBU、1,8-二氮杂双环[5.4.0]十一碳-7-烯
识别
CAS号 6674-22-2  checkY
ChemSpider 73246
SMILES
 
  • N\2=C1\N(CCCCC1)CCC/2
InChI
 
  • 1/C9H16N2/c1-2-5-9-10-6-4-8-11(9)7-3-1/h1-8H2
InChIKey GQHTUMJGOHRCHB-UHFFFAOYAM
性质
化学式 C9H16N2
摩尔质量 152.24 g·mol⁻¹
外观 无色液体
密度 1.018 g/mL
熔点 -70 °C (203 K)
沸点 80-83 °C (0.6 mmHg)
溶解性 ? g/100 ml (?°C)
危险性
警示术语 R:R22, R34
安全术语 S:S24, S25
MSDS External MSDS
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

1,8-二氮杂二环[5.4.0]十一碳-7-烯DBU化学式为C9H16N2,是一个有位阻类,具碱性。它在有机合成中用作催化剂配体非亲核性碱

DBU可被从一种名为Niphates digitalis的海绵中分离出来,因此也被视为一种生物碱。 DBU可以作为环氧树酯的固化剂;亦可于合成头胞菌素时作为保护剂;富勒烯-C60的纯化中也使用DBU(DBU与C70或更多碳数的富勒烯类化合物反应,但不与C60作用);合成聚氨酯时亦使用DBU作为催化剂。DBU在脂环族及脂肪族异氰酸酯的反应中也常被用作催化剂。

参见

参考资料

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1,8-二氮杂二环[5.4.0]十一碳-7-烯
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