(二氯亚甲基)二甲基氯化铵

• 产品号: A12300
• CAS号: 33842-02-3
• 分子式: C3H6Cl3N
• 分子量: 162.44544
• 纯 度: 95%

产品别名

• 标题: (Dichloromethylene)dimethylammonium chloride
• IUPAC标准名: (dichloromethylidene)dimethylazanium chloride
• IUPAC传统名: (dichloromethylidene)dimethylazanium chloride
• 别名: N,N-Dimethylphosgeniminium chloride; "Phosgeniminium chloride"

产品登记号

• CAS号: 33842-02-3
• EC号: 251-695-4
• MDL号: MFCD00011870
• Beilstein号: 4157987

产品性质

• 危险公开号: 14-34
• 安全公开号: 26-36/37/39-45
• 保存注意事项: Moisture Sensitive
• TSCA收录: 否
• 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
• 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: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A
• 纯度: 95%
• 熔点: ca 185°C dec.

参考文献

• Reaction with a phenol yields, after hydrolysis, the diaryl carbonate: Angew. Chem. Int. Ed., 10, 573 (1971). For reactions with active methylene compounds, see: Angew. Chem. Int. Ed., 10, 574, 575 (1971). 2-Hydroxy acetophenones lead to 2-dimethylamino chromones: J. Org. Chem., 57, 6502 (1992); 61, 3218 (1996):
  
• Dehydrates aldoximes and aldehyde phenylhydrazones to nitriles: Synthesis, 563 (1974), 201 (1985), respectively. N, N-dialkylureas are dehydrated to carbodiimides: Tetrahedron Lett., 37, 7047 (1996).
• Converts THP protected alcohols directly to alkyl chlorides in good yield: Tetrahedron Lett., 38, 3517 (1997).
• For review of reactions, including use as Mannich or Vilsmeier intermediates, see: Angew. Chem. Int. Ed., 12, 806 (1973).
• See also (Chloromethylene)dimethylammonium chloride, B24172.
• Effects cyanation of electron-rich aromatics and heterocycles: Tetrahedron Lett., 27, 1939 (1986).