Cerium(III) Chloride Heptahydrate 氯化铈(III)七水合物
CAS 18618-55-8 MFCD00149634
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信息真实价格透明
资金保障
专业采购外包团队在线服务
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分类
- {SNA} Alternative Energy, Catalysis and Inorganic Chemistry, Cerium, Cerium Salts, Chemical Synthesis, Dopants, Materials Science, Metal and Ceramic Science, Phosphor Materials, Salts
- {SNA} Catalysis and Inorganic Chemistry, Ce, Cerium, Cerium Salts, Chemical Synthesis, Essential Chemicals, Metal and Ceramic Science, Research Essentials, Salts, Ultra-High Purity Materials, 材料科学
- {SNA} Alternat
- {SNA} Catalysis and Inorganic Chemistry, Ce,
- {SNA} Alternative Energy, Catalysis
- {SNA} Catalysis and Inorganic Chemistry, Ce, Cerium Catalyst
产品应用
- 制备金属铈和铈盐。烯烃聚合反应中与铝盐或镁盐一起作催化剂;用在把酯转化为烯丙基硅烷。
相关文献及参考
- Reagent for selective cleavage of MEM ethers (see 2-Methoxyethoxymethyl chloride, L01050) under mild conditions: Org. Lett., 3, 1149 (2001).
- With a catalytic amount of NaI in acetonitrile, dioxolanes (ethylene acetals) are deprotected to the parent carbonyl compounds: J. Org. Chem., 62, 4183 (1997), as are 4-methoxybenzyl ethers: J. Org. Chem., 64, 5696 (1999), and allyl ethers: Tetrahedron Lett., 40, 7293 (1999), to the parent alcohols. With a stoichiometric amount of NaI, alcohols can be converted to alkyl iodides: J. Org. Chem., 65, 2830 (2000), aryl alkyl ethers undergo dealkylation to phenols: Chem. Lett., 738 (2000), and selective deprotection of N-Boc protected tert-butyl amino acid esters can be achieved: J. Org. Chem., 66, 4430 (2001). Also deprotects the tert-butyl ethers of alcohols: Adv. Synth. Catal., 348, 905 (2006). For a review of the CeCl3•nH2O/NaI system,as an efficient, water-tolerant Lewis Acid promoter in organic synthesis, see: Synlett, 2101 (2003).
- In combination with Zn in acetonitrile, promotes the Reformatsky reaction of Ethyl bromofluoroacetate, B21579: J. Org. Chem., 67, 72 (2002).
- Useful in modifying the reactivity of Sodium borohydride, 35788, allowing selective reduction of ketones in the presence of aldehydes: J. Am. Chem. Soc., 101, 5848 (1979), and giving increased selectivity for 1,2-reduction of enones to allylic alcohols: J. Chem. Soc., Chem. Commun., 601 (1978); cyclohexenones can be reduced in an alkyl alcohol to give the alkyl allylic ether in high yield: Pol. J. Chem., 69, 1655 (1995).
- For a brief feature on uses of this reagent, see: Synlett, 1935 (2002).
- For preparation of the anhydrous reagent and its use in combination with organolithium or Grignard reagents to suppress side reactions with carbonyl compounds, see: Org. Synth., 76, 228 (1998).
安全信息
- 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;
- S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置;
- R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
- P305+P351+P338
- P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
- P304+P340+P310
- 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。
- P303+P361+P353
- 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
- H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
GHS Symbol
其他信息
- 易吸湿。90℃以上开始失水,230℃时变为无水物。易溶于水和醇。低毒,半数致死量(大鼠,经口)2111mg/kg。有刺激性。