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二溴化三苯基膦

产品号 A11552 公司名称 Alfa Aesar
CAS号 1034-39-5 公司网站 http://www.alfa.com
分子式 C18H15Br2P 电 话
分子量 422.093461 传 真
纯 度 96% 电子邮件
保 存 Chembase数据库ID: 295211

产品价格信息

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产品别名

标题
Triphenylphosphine dibromide
IUPAC标准名
bromotriphenylphosphanium bromide
IUPAC传统名
bromotriphenylphosphanium bromide
别名
Dibromotriphenylphosphorane

产品登记号

MDL号 MFCD00000054
CAS号 1034-39-5
Beilstein号 917652
EC号 213-855-1

产品性质

纯度 96%
熔点 ca 260°C dec.
GHS危险品标识 GHS05
GHS危险声明 H314-H318
欧盟危险性物质标志 腐蚀性(Corrosive) 腐蚀性(Corrosive) (C)
GHS警示性声明 P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A
危险公开号 34
安全公开号 26-36/37/39-45
保存注意事项 Moisture Sensitive
TSCA收录
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

产品详细信息

参考文献

  • The reagent formed with DMSO at low temperatures provides an alternative to the Swern oxidation for selective conversion of alcohols to carbonyl compounds: Tetrahedron Lett., 43, 8355 (2002).
  • Reagent for the conversion of alcohols and phenols to bromides in good yields: J. Org. Chem., 37, 626 (1972). Particularly useful for alcohols where sensitive functionality is present: J. Org. Chem., 49, 431 (1984); Synth. Commun., 22, 2945 (1992). Cleaves dialkyl ethers to the two alkyl bromides: J. Am. Chem. Soc., 86, 5037 (1964); J. Org. Chem., 37, 626 (1972).
  • Reaction with amines gives iminophosphoranes, which have been used as a means of blocking an amino group to permit monoalkylation: Synthesis, 295 (1980). Iminophosphoranes also undergo a Wittig-like condensation with CO2 or CS2 to give the isocyanates or isothiocyanates respectively: Synthesis, 596 (1982):
  • Ureas are dehydrated to carbodiimides: Liebigs Ann. Chem., 718, 24 (1968); Synthesis, 373 (1981).