邻二溴亚二甲苯基

• 产品号: A17241
• CAS号: 91-13-4
• 分子式: C8H8Br2
• 分子量: 263.95712
• 纯 度: 97%

产品别名

• 标题: o-Xylylene dibromide
• IUPAC标准名: 1,2-bis(bromomethyl)benzene
• IUPAC传统名: benzene, 1,2-bis(bromomethyl)-
• 别名: 1,2-Bis(bromomethyl)benzene; alpha,alpha'-Dibromo-o-xylene

产品登记号

• Beilstein号: 637159
• MDL号: MFCD00000175
• CAS号: 91-13-4
• EC号: 202-042-7

产品性质

• 纯度: 97%
• 密度: 1.960
• 熔点: 92-96°C
• GHS危险声明: H314-H318
• 欧盟危险性物质标志: 腐蚀性(Corrosive) (C)
• GHS警示性声明: P280-P305+P351+P338-P309-P310
• 危险公开号: 34
• 安全公开号: 26-36/37/39-45
• TSCA收录: 是
• 联合国危险货物等级: 8
• 联合国危险货物编号: UN3261
• 联合国危险货物包装类别(PG): II

参考文献

• Reductive debromination with activated Ni provides a simple route to o-xylylene, which can be trapped by dienophiles: J. Org. Chem., 53, 339 (1988):
  
• o-Xylylene can also be generated using Zn metal and ultrasound: J. Org. Chem., 47, 751 (1982), or NaI in DMF: Chem. Pharm. Bull., 22, 2159 (1974).
• Dialkylating agent for the formation of a variety of benzo-fused carbocyclic and heterocyclic ring systems, e.g. five-membered with Meldrum's acid (Isopropylidene malonate, A15603): Org. Prep. Proced. Int., 24, 185 (1992), 7-membered with Dimethyl acetone-1,3-dicarboxylate, A14969: J. Org. Chem., 54, 5237 (1989), as well as macrocycles and cryptands; see, e.g.: J. Org. Chem., 57, 6112 (1992). Reaction with 1,2- and 1,3-diols has been used a method of protection; the diol can be regenerated by hydrogenolysis: Synth. Commun., 19, 3363 (1989).