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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
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IUPAC名 2,3,4,6,7,8,9,10-八氢嘧啶[1,2-a]氮呯
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别名
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DBU、1,8-二氮杂双环[5.4.0]十一碳-7-烯
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识别
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CAS号
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6674-22-2 Y
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ChemSpider
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73246
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SMILES
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InChI
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- 1/C9H16N2/c1-2-5-9-10-6-4-8-11(9)7-3-1/h1-8H2
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InChIKey
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GQHTUMJGOHRCHB-UHFFFAOYAM
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性质
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化学式
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C9H16N2
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摩尔质量
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152.24 g·mol⁻¹
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外观
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无色液体
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密度
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1.018 g/mL
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熔点
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-70 °C (203 K)
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沸点
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80-83 °C (0.6 mmHg)
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溶解性(水)
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? g/100 ml (?°C)
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危险性
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警示术语
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R:R22, R34
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安全术语
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S:S24, S25
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MSDS
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External MSDS
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若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。
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1,8-二氮杂二环[5.4.0]十一碳-7-烯(DBU)化学式为C9H16N2,是一个有位阻的脒类,具碱性。它在有机合成中用作催化剂、配体及非亲核性碱。
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。
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