2,4,4,6-Tetrabromo-2,5-Cyclohexadienone 2,4,4,6-四溴-2,5-环己二烯酮

CAS 20244-61-5 MFCD00001589

化学结构图

20244-61-5
SMILES: O=C1C(Br)=CC(Br)(Br)C=C1Br

化学属性

Mol. FormulaC6H2Br4O
Mol. Weight410
Melting Pointca 125° dec.
TSCANo

别名和识别编码

Chemical Name2,4,4,6-Tetrabromo-2,5-Cyclohexadienone
Synonym 2,4,4,6-Tetrabromo-2,5-cyclohexadienone {uni_hamburg} 2,5-Cyclohexadien-1-one, 2,4,4,6-tetrabromo- 2,4,4,6-Tetrabromo-2,5-cyclohexadien-1-one 2,4,4,6-四溴-2,5-环己二烯酮 2,4,4,6-Tetrabromcyclohexa-2,5-dien-1-on 2,4,4,6-Tetrabrom-2,5-cyclohexadien-1-on 2,4,4,6-tetrabromocyclohexa-2,5-dienone TBCO
MDL NumberMFCD00001589
PubChem Substance ID87577012
EC Number243-638-7
CAS Number20244-61-5
Beilstein Registry Number2048028
Reaxys-RN2048028
Chemical Name Translation2,4,4,6-四溴-2,5-环己二烯酮
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分类

  • {SNA} Building Blocks, C3 to C6, Carbonyl Compounds, Chemical Synthesis, Ketones, Organic Building Blocks
  • {uni_hamburg} no charge; carbocycle; alicycle; 6RingOnly; 6ring; ketone; 1fragment

相关文献及参考

  • Versatile catalyst for acetalization and transacetalization of carbonyl compounds, preparation of acetonides from epoxides, and acylals from aldehydes: Bull. Chem. Soc. Jpn., 75, 2195 (2002).
  • ɑß-Unsaturated methyl ketones are brominated selectively at the methyl group: Tetrahedron, 29, 1625 (1973).
  • In combination with PPh3, can be used to convert alcohols and THP ethers to bromides with inversion of configuration: Tetrahedron Lett., 38, 1955 (1997). Silyl ethers also behave similarly: Tetrahedron Lett., 38, 7223 (1997).
  • For selective monobromination of imidazoles and indoles, see: J. Chem. Soc., Perkin 1, 2567 (1972).
  • Selectively monobrominates phenols and unprotected arylamines mainly at the para position: J. Chem. Soc. (C), 3652 (1971). For tabulated results for the p-bromination of arylamines, see: Org. Synth. Coll., 6, 181 (1988).
  • Short: EINECS
  • Short: III/5a
  • Reacts selectively with the terminal double bonds of polyenes: Chem. Lett., 283 (1976); Tetrahedron Lett., 26, 343 (1985). In aqueous systems, the products are the bromohydrins or, in methanol, their methyl ethers: Synthesis, 605 (1978) and references therein.
  • Versatile catalyst for acetalization and transacetalization of carbonyl compounds, preparation of acetonides from epoxides, and acylals from aldehydes: Bull. Chem. Soc. Jpn.

安全信息

WGK Germany3
GHS Symbol
Precautionary statements
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服,清洗后方可重新使用
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P302+P352+P332+P313+P362+P364
  • P332+P313
  • P305+P351+P338
  • P305+P351+P338+P337+P313
  • P302+P350
  • P337+P313
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
Hazard statements
  • H315 Causes skin irritation 会刺激皮肤
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
Signal word Warning
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
Safety Statements
  • S37/39 Wear suitable gloves and eye/face protection 穿戴适当的手套和眼睛/面保护;
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S37 Wear suitable gloves 戴适当手套;
Risk Statements
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
Hazard Codes Xi
Storage condition <;0 <0°C

系列性分类


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